Faculty Img
  • Phone:

  • Email:

    slingala@pmu.edu.sa

  • Office No:

  • Syam Sundar Lingala

  • Job Title :

    Dr

  • College :

    College of Engineering


  • Department :

    Mechanical Engineering


Dr. Syam Sundar Lingala obtained his doctorate degree in the field of Mechanical Engineering (Energy Systems) from the Jawaharlal Nehru Technological University-Hyderabad, Hyderabad, India in 2010 and Post-Doctoral Research Fellow from the University of Aveiro, Portugal, M. Tech in Thermal Engineering from the Jawaharlal Nehru Technological University-Hyderabad, Hyderabad, India in 2003 and B.E. in Mechanical Engineering from the Andhra University, India in 1998.

His research interests include energy, thermal power plants, modeling, and optimization of forced convection heat transfer from tube banks and micro-channel heat sinks, thermal system optimization using entropy generation minimization and genetic algorithm, mixed convection, Nanofluids. Dr. Syam Sundar Lingala has guided 02 PhDs, and 04 Master thesis and 02 PhDs are on-going.

Dr. Syam Sundar Lingala is the top 100 thousand or in the top 2% of the most cited researchers in the world throughout their career and in their scientific field, according to a Stanford University study signed by the team led by John P.A. Ioannidis.

He has more than 100 publications in refereed International Journals and 10 book chapters.

 

  1. A.M. Alklaibi, L. Syam Sundar, K.V.V. Chandra Mouli, Experimental investigation on the performance of hybrid Fe3O4 coated MWCNT/water nanofluid as a coolant of a plate heat exchanger, Int. J. of Thermal Science, 171 (2022) 107249.
  2. M. Ghodbane, Z. Said, A.K. Tiwari, L. Syam Sundar, C. Li, B. Boumeddane, 4E (energy, exergy, economic and environmental) investigation of LFR using MXene based silicone oil nanofluids, Sustainable Energy Technologies and Assessments 49 (2022) 101715.
  3. Z. Said, M. Jamei, L. Syam Sundar, A.K. Pandey, A. Allouhi, C. Li, Thermophysical properties of water, water and ethylene glycol mixturebased nanodiamond + Fe3O4 hybrid nanofluids: An experimental assessment and application of data-driven approaches, Journal of Molecular Liquids, (2020) https://doi.org/10.1016/j.molliq.2021.117944.
  4. L. Syam Sundar, Bobby Mathew, A. Sefelnasr, M. Sherif, A.C.M. Sousa, Second law of thermodynamic analysis of 40:60% propylene glycol and water mixture based nanodiamond nanofluid under transition flow, Diamond & Related Materials, 117 (2021) 108480.
  5. L. Syam Sundar, Solomon Mesfin, Yihun Tefera Sintie, V. Punnaiah,  Ali J. Chamkha, Antonio C. M. Sousa, A review on the use of hybrid nanofluid in a solar flat plate and parabolic trough collectors and its enhanced collector thermal efficiency, J. Nanofluids, 10 (2021) 147-171.
  6. L. Syam Sundar, V. Punnaiah, K.V. Sharma,  Ali J. Chamkha d, Antonio C.M. Sousa a Thermal entropy and exergy efficiency analyses of nanodiamond/water nanofluid flow in a plate heat exchanger, Diamond & Related Materials, 120 (2021) 108648.
  7. L. Syam Sundar, T.T. Akanaw, M.K. Singh, A.C.M. Sousa, Thermosyphon solar water heating system with Cu/water nanofluid and wire coil configurations: Efficiency, energy, economic, environmental, and heat transfer study, Environ Prog. Sustainable Energy, (2021) e13648.
  8. L. Syam Sundar, K.V.V.C. Mouli, Z. Said, A.C. M. Sousa, Heat transfer and second law analysis of ethylene glycol-based ternary hybrid nanofluid under laminar flow, J. Thermal Science and Engineering Applications, 13 (2021) 051021, 1-16.
  9. L. Syam Sundar, E. Venkata Ramana, Z. Said, A.M.B. Pereira, A.C.M. Sousa, Heat transfer of rGO/Co3O4 hybrid nanomaterial based nanofluids and twisted tape configurations in a tube , J. Thermal Science and Engineering Applications, 13 (2021) 031004, 1-15.
  10. L. Syam Sundar, V. Punnaiah, M.K. Singh, A.M.B. Pereira, A.C.M. Sousa, Solar energy absorbed thermosyphon flat plate collector analysis using Cu/H2O nanofluid –An experimental study, Energy and Climate Change, 2 (2021) 100028.
  11. A.M. Alklaibi, L. Syam Sundar, A.C.M. Sousa, Experimental analysis of exergy efficiency and entropy generation of diamond/water nanofluids flow in a thermosyphon flat plate solar collector, Int. Communications in Heat and Mass Transfer, 120 (2021) 105057.
  12. B. Saleh, L. Syam Sundar, Thermosyphon flat plate collector with nanodiamond‑water nanofluids: properties, friction factor, heat transfer, thermal efficiency, and cost analysis, Arabian Journal for Science and Engineering, (2021), https://doi.org/10.1007/s13369-021-05371-7
  13. B. Saleh, L. Syam Sundar, Experimental study on heat transfer, friction factor, entropy and exergy efficiency analyses of a corrugated plate heat exchanger using Ni/water nanofluids, Int. J. of Thermal Sciences, 165 (2021) 106935.
  14. B. Saleh, L. Syam Sundar, Thermal performance, embodied energy and environmental CO2 emissions analyses for double pipe U-bend heat exchanger working with MWCNT/water nanofluid, Int. J. of Thermal Sciences, 169 (2021) 107094
  15. B. Saleh, and L. Syam Sundar, Thermal efficiency, heat transfer, and friction factor analyses of MWCNT + Fe3O4/water hybrid nanofluids in a solar flat plate collector under thermosyphon condition, Processes, 9 (2021) 180. https://doi.org/10.3390/pr9010180.
  16. B. Saleh, L. Syam Sundar, Entropy generation and exergy efficiency analysis of ethylene glycol-water based nanodiamond + Fe3O4 hybrid nanofluids in a circular tube, Powder Technology, 380 (2021) 430–442.
  17. A.M. Alklaibi, L. Syam Sundar, K.V.V. Chandra Mouli, A.C.M. Sousa, Experimental analysis of thermohydraulic performance of water-based nanodiamond–Fe3O4 hybrid nanofluid in a tube at turbulent flow, Heat Transfer Research, 52(12) (2021) 1–27.
  18. L. Syam Sundar, T.T. Akanaw, Y.T. Sintie, Z. Said, K.V.V.C. Mouli, A.C.M. Sousa, Effect of core-rod diameter on wire coil inserts for heat transfer and friction factor of high-prandtl number magnetic Fe3O4 nanofluids in a fully developed laminar flow, Heat Transfer Research, 52(3) (2021) 49–75.
  19. P.V. Durga Prasad, L. Syam Sundar, S. Mesfin, A.C.M. Sousa, Effectiveness and thermal performance analysis of copper nanofluids flow in a U-bend double-pipe heat exchanger, Heat Transfer Research, 52(1) (2021) 31–59.
  20. L. Syam Sundar, S. Mesfin, Z. Said, M.K. Singh, V. Punnaiah, A.C.M. Sousa, Energy, economic, environmental and heat transfer analysis of a solar flat-plate collector with pH-treated Fe3O4/water nanofluids, Int. J. Energy for a Clean Environment, 22 (2021) 55-98.
  21. L. Syam Sundar, E. Venkata Ramana, Z. Said, Y. Raja Sekhar, K.V.V.C. Mouli, A.C.M. Sousa, Heat transfer, energy, and exergy efficiency enhancement of nanodiamond/water nanofluids circulate in a flat plate solar collector, J. Enhanced Heat Transfer, 28(2) (2021) 57–99.
  22. L. Syam Sundar, B. Mathew, A. Sefelnasr, M. Sherif, K.V. Sharma, Enhanced heat transfer and thermal performance factor of coiled wire inserted rGO/Co3O4 hybrid nanofluid circulating in a horizontal tube, J.  Enhanced Heat Transfer, 28(5) (2021) 77–103.
  23. L. Syam Sundar, S. Mesfin, E. Venkata Ramana, Z. Said, A.C.M. Sousa, Experimental investigation of thermo-physical properties, heat transfer, pumping power, entropy generation, and exergy efficiency of nanodiamond + Fe3O4/60:40% water-ethylene glycol hybrid nanofluid flow in a tube, Thermal Science and Engineering Process, 21 (2021) 100799.
  24. Z. Said, L. Syam Sundar, H. Rezk, A.M. Nassef, S. Chakraborty, C. Li, Thermophysical properties using ND/water nanofluids: An experimental study, ANFIS-based model and optimization, J. Molecular Liquids, 330 (2021) 115659.
  25. Z. Said, M. Ghodbane, L. Syam Sundar, A.K. Tiwari, M. Sheikholeslami, B. Boumeddane, Heat transfer, entropy generation, economic and environmental analyses of linear fresnel reflector using novel rGO-Co3O4 hybrid nanofluids, Renewable Energy, 165 (2021) 420-437.
  26. Z. Said, P. Sharma, L. Syam Sundar, A.  Afzal, C. Li, Synthesis, stability, thermophysical properties and AI approach for predictive modelling of Fe3O4 coated MWCNT hybrid nanofluids, J. Molecular Liquids, 340 (2021) 117291.
  27. Z. Said, L. Syam Sundar, A.K. Tiwari, H.M. Ali, M. Sheikholeslami, E. Bellos, H. Babar, Recent advances on the fundamental physical phenomena behind stability, dynamic motion, thermophysical properties, heat transport, applications, and challenges of nanofluids, Physics Reports, (2021) https://doi.org/10.1016/j.physrep.2021.07.002.
  28. I. Mokashi, A. Afzal, Q. Al-Mdallal, L. Syam Sundar, S. Afghan Khan, N. A. Abdullah, M.H. Azami, C. Ahamed Saleel, Effect of non-conjugate and conjugate condition on heat transfer from battery pack,  Alexandria Engineering Journal (2021), https://doi.org/10.1016/j.aej.2021.08.042.
  29. L. Syam Sundar, Solomon Mesfin, E. Venkata Ramana, V. Punnaiah, Ali J. Chamkha, António C. M. Sousa, Thermal entropy generation and exergy efficiency analyses of coiled wire inserted nanodiamond + Fe3O4/water hybrid nanofluid in a tube, J. of Thermal Analysis and Calorimetry, (2021), https://doi.org/10.1007/s10973-021-11080-y.
  30. L. Syam Sundar, A.H. Misganaw, M.K. Singh, A.M.B. Pereira, A.C.M. Sousa, Experimental heat transfer and friction factor of Fe3O4 magnetic nanofluids flow in a tube under laminar flow at high Prandtl numbers, Int. J. of Heat and Technology, 38(2) (2020) 301-313.
  31. A. M. Alklaibi, L. Syam Sundar, Performance of Fe3O4–vacuum pump oil nanofluid in tube with wire coil Inserts, J. Thermophysics and Heat Transfer, (2020) 1-8, https://doi.org/10.2514/1.T6159.
  32. L. Syam Sundar, E. Venkata Ramana, Zafar Said, V. Punnaiah, K.V. V.C. Mouli, A.C.M. Sousa, Properties, heat transfer, energy efficiency and environmental emissions analysis of flat plate solar collector using nanodiamond nanofluids, Diamond & Related Materials 110 (2020) 108115.
  33. S. Mesfin, L. Syam Sundar, A.C.M. Sousa,  Computational modelling of plate-fin and tube heat exchanger for heat transfer and pressure drop analysis, Journal of Mining and Mechanical Engineering, 1 (3) (2020), DOI: 10.32474/JOMME.2020.01.000113.
  34. N.K. Cakmak, Z. Said, L. Syam Sundar, Z.M. Ali, A.K. Tiwari, Preparation, characterization, stability, and thermal conductivity of rGO-Fe3O4-TiO2 hybrid nanofluid: An experimental study, Powder Technology 372 (2020) 235-245.
  35. Zafar Said, L. Syam Sundar, H. Rezk, A.M. Nassef, H.M. Ali, M. Sheikholeslami, Optimizing density, dynamic viscosity, thermal conductivity and specific heat of a hybrid nanofluid obtained experimentally via ANFIS-based model and modern optimization, J. Molecular Liquids, 321, (2020) 114287.
  36. L. Syam Sundar, M.K. Singh, A.M.B. Pereira, A.C.M. Sousa, Augmentation of Heat Transfer of High Prandtl Number Fe3O4/vacuum pump oil nanofluids flow in a tube with twisted tape inserts in laminar flow, Heat and Mass Transfer (2020) https://doi.org/10.1007/s00231-020-02913-x.
  37. LSyam Sundar, Z. Said, B. Saleh, M.K. Singh, A.C.M. Sousa, Combination of Co3O4 deposited rGO hybrid nanofluids and longitudinal strip inserts: Thermal properties, heat transfer, friction factor, and thermal performance evaluations, Thermal Science and Engineering Progress 20, (2020) 100695.
  38. L. Syam Sundar, Y.T. Sintie, Z. Said, M.K. Singh, V. Punnaiah, A.C.M. Sousa, Energy, efficiency, economic impact, and heat transfer aspects of solar flat  plate collector with Al2O3 nanofluids and wire coil with core rod inserts, Sustainable Energy Technologies and Assessments 40 (2020) 100772.
  39. L. Syam Sundar, A.H. Misganaw, M.K. Singh, A.M.B. Pereira, A.C.M. Sousa, Efficiency, energy and economic analysis of twisted tape inserts in a thermosyphon solar flat plate collector with Cu nanofluids, Renewable Energy Focus, 35 (00) (2020), 1-22.
  40. L. Syam Sundar, A.H. Misganaw, M.K. Singh, A.C. M. Sousa, H.M. Ali, Efficiency analysis of thermosyphon solar flat plate collector with low mass concentrations of ND–Co3O4 hybrid nanofluids: an experimental study, Journal of Thermal Analysis and Calorimetry (2020), https://doi.org/10.1007/s10973-020-10176-1.
  41. L. Syam Sundar, N.T. Ravi Kumar, B. Mulat Addis, P. Bhramara, M.K. Singh,  A.C.M. Sousa, Heat transfer and effectiveness experimentally-based analysis of wire coil with core-rod inserted in Fe3O4/water nanofluid flow in a double pipe U-bend heat exchanger, Int. J. Heat and Mass Transfer, 134 (2019) 405–419.
  42. L. Syam Sundar, M.K. Singh, A.C.M. Sousa, Experimental study on heat transfer and friction factor of nanodiamond-nickel (ND-Ni) nanocomposite nanofluids flow in a tube with twisted tape inserts, J. Nanofluids, 8 (2019) 1–10.
  43. L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Turbulent heat transfer and friction factor of nanodiamond-nickel hybrid nanofluids flow in a tube: An experimental study, Int. Journal of Heat and Mass Transfer, 117 (2018) 223–234.
  44. L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Heat transfer and friction factor of nanodiamond-nickel hybrid nanofluids flow in a tube with longitudinal strip inserts, Int. Journal of Heat and Mass Transfer, 121 (2018) 390–401.
  45. L. Syam Sundar, M.K. Singh, V. Punnaiah, Antonio C.M. Sousa, Experimental investigation of Al2O3/water nanofluids on the effectiveness of solar flat-plate collectors with and without twisted tape inserts, Renewable Energy, 119 (2018) 820–833.
  46. N.T. Ravi Kumar, P. Bhramara, A. Kirubeil, L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Effect of twisted tape inserts on heat transfer, friction factor of Fe3O4 nanofluids flow in a double pipe U-bend heat exchanger, Int. Comm. Heat and Mass Transfer, 95 (2018) 53–62.
  47. L. Syam Sundar, A. Kirubeil, V. Punnaiah, M.K. Singh, Antonio C.M. Sousa, Effectiveness analysis of solar flat plate collector with Al2O3 water nanofluids and with longitudinal strip inserts, Int. Journal of Heat and Mass Transfer, 127, Part C(2018) 422-435.
  48. K. Srikanth, L. Syam Sundar, E. Pereira, Armando Costa Duarte, Graphene oxide induces cytotoxicity and oxidative stress in bluegill sunfish cells, Journal of Toxicology, (2017) 1-10.
  49. L. Syam Sundar, Naser A. Anjum, M.C. Ferro, Eduarda Pereira, M.K. Singh, Antonio C.M. Sousa, The biocompatibility and biotoxicity of in-situ synthesized carboxylated nanodiamond-cobalt oxide nanocomposite, J. Material Science and Technology, 33 (2017) 879–888.
  50. N.T. Ravi Kumar, P. Bhramara, B. Mullat Addis, L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Heat transfer, friction factor and effectiveness analysis of Fe3O4/water nanofluid flow in a double pipe heat exchanger with return bend, Int. Communications in Heat and Mass Transfer, 81 (2017) 155–163.
  51. L. Syam Sundar, P. Bhramara, N.T. Ravi Kumar, M.K. Singh, Antonio C.M. Sousa, Experimental heat transfer, friction factor and effectiveness analysis of Fe3O4 nanofluid flow in a horizontal plain tube with return bend and wire coil inserts, Int. Journal of Heat and Mass Transfer, 109 (2017) 440–453.
  52. L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Experimental investigation of the thermal transport properties of graphene oxide/Co3O4 hybrid nanofluids, Int. Comm. in Heat and Mass Transfer, 84 (2017) 1–10.
  53. L. Syam Sundar, P. Bhramara, N.T. Ravi Kumar, M.K. Singh, Antonio C.M. Sousa, Heat transfer, friction factor and effectiveness of Fe3O4 nanofluid flow in an inner tube of double pipe U-bend heat exchanger with and without longitudinal strip inserts, Exp. Thermal and Fluid Science, 85 (2017) 331–343.
  54. L. Syam Sundar, K.V. Sharma, M.K. Singh, Antonio C. M. Sousa, Hybrid nanofluids: Preparation, thermal properties, heat transfer and friction factor–A review, Renewable and Sustainable Energy Reviews, 68 (2017) 185–198.
  55. L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Enhanced thermal properties of nanodiamond nanofluids, Chemical Physics Letters, 644 (2016) 99–110.
  56. L. Syam Sundar, E. Venkata Ramana, M.P.F. Graça, M.K. Singh, Antonio C.M. Sousa, Nanodiamond–Fe3O4 nanofluids: Preparation and measurement of viscosity, electrical and thermal conductivities, Int. Communications in Heat and Mass Transfer, 73 (2016) 62–74.
  57. L. Syam Sundar, G. Otero-Irurueta, E. Venkata Ramana, M.K. Singh, Antonio C.M. Sousa, Thermal conductivity and viscosity of hybrid nanfluids prepared with magnetic nanodiamond-cobalt oxide (ND–Co3O4) nanocomposite, Case Studies in Thermal Engineering, 7 (2016) 66–77.
  58. L. Syam Sundar, G. Otero-Irurueta, M.K. Singh, Antonio C.M. Sousa, Heat transfer and friction factor of multi-walled carbon nanotubes–Fe3O4 nanocomposite nanofluids flow in a tube with/without longitudinal strip inserts, Int. Journal of Heat and Mass Transfer, 100 (2016) 691–703.
  59. L. Syam Sundar, M.J. Hortiguela, M.K. Singh, Antonio C.M. Sousa, Thermal conductivity and viscosity of water based nanodiamond (ND) nanofluids: An experimental study, Int. Communications in Heat and Mass Transfer, 76 (2016) 245–255.
  60. L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Experimental thermal conductivity and viscosity of propylene glycol and water mixtures based nanodiamond (ND) nanofluids, Diamond and Related Materials, 69 (2016) 49-60.
  61. N.T. Ravi Kumar, P. Bhramara, L. Syam Sundar, Effectiveness and overall heat transfer coefficient of Fe3O4/water nanofluid flow in a double pipe heat exchanger with return bend, Int. J. of Dynamics of Fluids, 12 (2016) 19-37.
  62. L. Syam Sundar, E.V. Ramana, M.K. Singh, Antonio C.M. Sousa, Magnetic field induced enhancement in thermal conductivity and viscosity of stabilized vacuum pump oil (VPO)–Fe3O4 magnetic nanofluids, Journal of Nanofluids, 4(1) (2015) 7–15.
  63. P.V. Durga Prasad, A.V.S.S.K.S. Gupta, M. Sreeramulu, L. Syam Sundar, M. K. Singh, Antonio C.M. Sousa, Experimental study of heat transfer and friction factor of Al2O3 nanofluid in U-tube heat exchanger with helical tape inserts, Exp. Thermal and Fluid Science, 62 (2015) 141–150.
  64. L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Heat transfer enhancement of low volume concentration of CNT–Fe3O4/water hybrid nanofluids in a tube with twisted tape inserts under turbulent flow, J. Thermal Science and Engineering Applications, 7 (2015) 021015:1–12.
  65. P.V. Durga Prasad, A.V.S.S.K.S. Gupta, L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Heat transfer and friction factor of Al2O3 nanofluid flow in a double pipe U-tube heat exchanger and with longitudinal strip inserts: an experimental study, Journal of Nanofluids, 4 (2015) 293–301.
  66. W.H. Azmi, K.V. Sharma, P.K. Sarma, R. Mamat, S. Anuar, L. Syam Sundar, Numerical validation of experimental heat transfer coefficient with SiO2 nanofluid flowing in a tube with twisted tape inserts, Applied Thermal Engineering, 73 (2014) 296–306.
  67. M.T. Naik, L. Syam Sundar, Heat transfer and friction factor with water/propylene glycol based CuO nanofluid in circular tube with helical inserts under transition regime, Heat Transfer Engineering, 35(1) (2014) 53–62.
  68. L. Syam Sundar, M.K. Singh, Igor Bidkin, Antonio C.M. Sousa, Experimental investigations in heat transfer and friction factor of magnetic Ni nanofluid flowing in a tube, Int. Journal of Heat and Mass Transfer, 70 (2014) 224–234.
  69. L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Enhanced heat transfer and friction factor of MWCNT–Fe3O4/water hybrid nanofluids, Int. Communications in Heat and Mass Transfer, 52 (2014) 73–83.
  70. L. Syam Sundar, M.K. Singh, E.V. Ramana, B.K. Singh, J. Gracio, Antonio C.M. Sousa, Enhanced thermal conductivity and viscosity of nanodiamond-nickel nanocomposite based nanofluids, Nature: Scientific Reports, 04 (2014) 4039: 1–13.
  71. M.T. Naik, S.S. Fahad, L. Syam Sundar, M.K. Singh, Comparative study on thermal performance of twisted tape and wire coil inserts in turbulent flow using CuO/water nanofluid, Exp. Thermal and Fluid Science, 57 (2014) 65–76.
  72. L. Syam Sundar, E.V. Ramana, M.K. Singh, J. Gracio, Antonio C.M. Sousa, Preparation, thermal and rheological properties of propylene glycol and water mixture based Fe3O4 nanofluids, Journal of Nanofluids, 3(3) (2014) 1–10.
  73. L. Syam Sundar, E.V. Ramana, M.K. Singh, Antonio C.M. Sousa, Thermal conductivity and viscosity of stabilized ethylene glycol and water mixture Al2O3 nanofluids for heat transfer applications: An experimental study, Int. Communications in Heat and Mass Transfer, 56 (2014) 86–95.
  74. L. Syam Sundar, K. Shusmitha, M.K. Singh, Antonio C.M. Sousa, Electrical conductivity enhancement of nanodiamond–nickel (ND–Ni) nanocomposite based magnetic nanofluids, Int. Communications in Heat and Mass Transfer, 57 (2014) 1–7.
  75. L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Thermal conductivity of ethylene glycol and water mixture based Fe3O4 nanofluid, Int. Communications in Heat and Mass Transfer, 49 (2013) 17–24.
  76. L. Syam Sundar, M.K. Singh, Convective heat transfer and friction factor correlations of nanofluid in a tube and with inserts: A Review, Renewable and Sustainable Energy Reviews, 20 (2013) 23–35.
  77. L. Syam Sundar, K.V. Sharma, M.T. Naik, M.K. Singh, Empirical and theoretical correlations on viscosity of nanofluids: A review, Renewable and Sustainable Energy Reviews, 25 (2013) 670–686.
  78. L. Syam Sundar, M.K. Singh, Antonio C.M. Sousa, Investigation of thermal conductivity and viscosity of Fe3O4 nanofluid for heat transfer applications, Int. Communications in Heat and Mass Transfer, 44 (2013) 7–14.
  79. L. Syam Sundar, MD. Hashim Farooky, S. Naga Sarada, M.K. Singh, Experimental thermal conductivity of ethylene glycol and water mixture based low volume concentration of Al2O3 and CuO nanofluids, Int. Communications in Heat and Mass Transfer, 41 (2013) 41–46.
  80. M.T. Naik, G.R. Janardana, L. Syam Sundar, Experimental investigation of heat transfer and friction factor with water–propylene glycol based CuO nanofluid in a tube with twisted tape inserts, Int. Communications in Heat and Mass Transfer, 46 (2013) 13–21.
  81. L. Syam Sundar, E. Venkata Ramana, M.K. Singh, Antonio C.M. Sousa, Viscosity of low volume concentrations of magnetic Fe3O4 nanoparticles dispersed in ethylene glycol and water mixture, Chemical Physics Letters, 554 (2012) 236–242.
  82. P.V. Durga Prasad, A.V.S.S.K.S. Gupta, L. Syam Sundar, Heat transfer enhancement by suing twisted tape inside a double pipe U-bend heat exchanger, Int. J. Thermal Science and Engineering, 2 (2012) 1–8.
  83. L. Syam Sundar, M.T. Naik, K.V. Sharma, M.K. Singh, T.Ch. Siva Reddy, Experimental investigation of forced convection heat transfer and friction factor in a tube with Fe3O4 magnetic nanofluid, Exp. Thermal and Fluid Sci. 37 (2012) 65–71.
  84. L. Syam Sundar, N.T. Ravi Kumar, M.T. Naik, K.V. Sharma, Effect of full length twisted tape inserts on heat transfer and friction factor enhancement with Fe3O4 magnetic nanofluid inside a plain tube: An experimental study, Int. J. of Heat and Mass Transfer, 55 (2012) 2761–2768.
  85. L. Syam Sundar, K.V. Sharma, R.A. Bakar, M.K. Singh, Heat transfer enhancement and friction factor of water/Al2O3 nanofluid in circular tube with longitudinal strip inserts under laminar flow, Int. J. of Microscale and Nanoscale Thermal and Fluid Transport Phenomena, 3 (4) (2012) 309–325.
  86. Y. Raja Sekhar, K.V. Sharma, M.T. Naik, L. Syam Sundar, Experimental investigations on thermal conductivity of water and Al2O3 nanofluids at low concentrations, Int. J. of Nanoparticles, 5 (4) (2012) 300–315.
  87. M.C.S. Reddy, V. Vasudeva Rao, T.N. Rao, L. Syam Sundar, Enhancement of convective heat transfer coefficient with TiO2 nanofluid in a double pipe heat exchanger, Int. J. of Nanotechnology & Applications, 5 (1) (2011) 59–68.
  88. M. Chandra Sekhara Reddy, V. Vasudeva Rao, L. Syam Sundar, Heat transfer and friction factor characteristics of Al2O3, CuO and TiO2 nanofluid in plain tube with longitudinal strip inserts by using computational fluid dynamics, Int. Journal of Dynamics of Fluids, 7 (2011) 117–130.
  89. L. Syam Sundar, K.V. Sharma, Laminar convective heat transfer and friction factor of Al2O3 nanofluid in circular tube fitted with twisted tape inserts, Int. J. of Automotive & Mechanical Engineering, 3 (2011) 265–278.
  90. V. Punnaiah, G. Yesuratnam, L. Syam Sundar, Estimation of annual solar radiation from measured temperatures by using temperature-based (TB) approach in different cities in India, Sustainable Cities and Society, 1(4) (2011) 187–194.
  91. M.T. Naik, L. Syam Sundar, Investigation into thermophysical properties of glycol based CuO nanofluid for heat transfer applications, World Academy of Science, Engineering and Technology, 59 (2011) 440–446.
  92. L. Syam Sundar, K.V. Sharma, Turbulent heat transfer and friction factor of Al2O3 nanofluid in circular tube with twisted tape inserts, Int. Journal of Heat and Mass Transfer, 53 (2010) 1409–1416.
  93. L. Syam Sundar, K.V. Sharma, Heat transfer enhancements of low volume concentration Al2O3 nanofluid and with longitudinal strip inserts in a circular tube, Int. Journal of Heat and Mass Transfer, 53 (2010) 4280–4286.
  94. S. Naga Sarada, A.V. Sita Rama Raju, K. Kalyani Radha, L. Syam Sundar, Enhancement of heat transfer using varying width twisted tape inserts, Int. Journal of Engineering, Science and Technology, 2 (2010) 98–109.
  95. P.K. Sarma, C. Kedarnath, K.V. Sharma, L. Syam Sundar, P.S. Kishore, V. Srinivas, Experimental study to predict momentum and thermal eddy diffusivities from convective heat transfer data of nanofluid with Al2O3 dispersion, Int. Journal of Heat and Technology, 28 (2010) 123–131.
  96. L. Syam Sundar, K.V. Sharma, Shabana Parveen, Md. Abdul Gaffar, Laminar convective heat transfer of nanofluids in a circular tube under constant heat fluid, Int. Journal of Nanoparticles, 2 (1/2/3/4/5/6) (2009) 314–320.
  97. L. Syam Sundar, K.V. Sharma, Shabana Parveen, Heat transfer and friction factor analysis in a circular tube with Al2O3 nanofluid by using computational fluid dynamics, Int. Journal of Nanoparticles, 2 (1/2/3/4/5/6) (2009) 191–199.
  98. L. Syam Sundar, K.V. Sharma, Y.R. Sekhar, V. Dharma Rao, T. Subramanyam, J.V. Ramana Rao, Turbulent forced convection of Al2O3 nanofluid in a circular tube with tape inserts at low volume concentration, Int. Journal of Nano and Biomaterials, 2 (1/2/3/4/5) (2009) 60–69.
  99. K.V. Sharma, L. Syam Sundar, P.K. Sarma, Estimation of heat transfer coefficient and friction factor in the transition flow with low volume concentration of Al2O3 nanofluid flowing in a circular tube and with twisted tape insert, Int. Communications in Heat and Mass Transfer, 36 (2009) 503–507.
  100. L. Syam Sundar, K.V. Sharma, Thermal conductivity enhancement of nanoparticles in distilled water, Int. Journal of Nanoparticles, 1 (2008) 66–77.
  101. L. Syam Sundar, K.V. Sharma, Experimental determination of thermal conductivity of fluid containing oxide nanoparticles, Int. Journal of Dynamics of Fluids, 4 (2008) 57–69.
  102. L. Syam Sundar, K.V. Sharma, Experimental investigation of heat transfer and friction factor characteristics in a circular tube with longitudinal strip inserts, Journal of Enhanced Heat Transfer, 15 (2008) 325–333.
  103. L. Syam Sundar, K.V. Sharma, Numerical analysis of heat transfer and friction factor in a circular tube with Al2O3 nanofluid, Int. Journal of Dynamics of Fluids, 4 (2008) 121–129.
  104. L. Syam Sundar, S. Ramanathan, K.V. Sharma, P. Sekhar Babu, Temperature dependent flow characteristics of Al2O3 nanofluid, Int. Journal of Nanotechnology and Applications, 1 (2007) 35-44.
  105. L. Syam Sundar, K.V. Sharma, S. Ramanathan, Experimental investigation of heat transfer enhancements with Al2O3 nanofluid and twisted tape insert in a circular tube, Int. Journal of Nanotechnology and Applications, 1 (2007) 21–28.
  106. L. Syam Sundar, K.V. Sharma, M. Chandrashekar Reddy, Augmentation of heat transfer and thermal stress analysis in internal grooved tubes, Proceedings of the International Conference on Global Manufacturing and Innovation-2006 at Coimbatore Institute of Technology, Coimbatore, (July 27th –29th), 2006, 793–804.
  107. M. Basaveswara rao, L. Syam Sundar, K.V. Sharma, Experimental and theoretical investigation of heat transfer and thermal stress analysis in solidification of castings: A FEM approach, Proceedings of the International Conference on Global Manufacturing and Innovation-2006 at Coimbatore Institute of Technology, Coimbatore, (July 27th –29th), 2006, 97-106.
  108. P.V. Durga Prasad, L. Syam Sundar, Ch. Venkatrao, Thermal stress analysis of clam shell heat exchanger by using finite element method, Proceedings of International Conference on Advances in Machine Design and Industry Automation, ICAMDIA-2007 at College of Engineering, Pune, (Jan 10th –12th), 2007, 24–29.
  109. D.V. Ravi Shankar, L. Syam Sundar, P. Rami Reddy, Manzoor Hussain, Theoretical and experimental investigation of polymer composite sandwich aerofoil structure with FEM approach, Proceedings of International Conference on Advances in Machine Design and Industry Automation, ICAMDIA-2007 at College of Engineering, Pune, (Jan 10th –12th), 2007, 46–51.
  110. L. Syam Sundar, K.V. Sharma, M. Chandra Shekar Reddy, Experimental and theoretical investigation of heat transfer and thermal stress analysis in solidification of castings with different mold materials: A FEM approach, Proceedings of International Conference on Advances in Machine Design and Industry Automation, ICAMDIA-2007 at College of Engineering, Pune, (Jan 10th –12th), 2007, 77–81.
  111. M. Sreeramulu, L. Syam Sundar, P.V. Durga Prasad, Ch. Venkatrao, Model analysis of low pressure boiler sleeve with different metal coatings by using finite element method, Proceedings of International Conference on Advances in Machine Design and Industry Automation, ICAMDIA-2007 at College of Engineering, Pune, (Jan 10th –12th), 2007, pp. 591.
  112. L. Syam Sundar, K. Sainath, K.V. Sharma, M. Chandra Shekar Reddy, Heat transfer and thermal stress analysis in internal grooved tube with different tube materials by using finite element method, Proceedings of International Conference on Advances in Machine Design and Industry Automation, ICAMDIA-2007 at College of Engineering, Pune, (Jan 10th –12th), 2007, pp. 594.
  113. L. Syam Sundar, S. Ramanathan, K.V. Sharma, P.V. Durga Prasad, Experimental investigation of thermal conductivity of Al2O3 nanofluid, Proceedings of International Conference on Modeling and Simulation, ICOMS-2007 at Coimbatore Institute of Technology, Coimbatore, (August 26th –29th), 2007, pp. 52.
  114. L. Syam Sundar, K.V. Sharma, Heat transfer enhancements with nanofluid and twisted tape insert in a circular tube under constant heat flux, Proceedings of the 19th National and 8th ISHMT-ASME Heat and Mass Transfer Conference-2008 at JNTU College of Engineering, Hyderabad, (Jan 3rd –5th), 2008, pp. 178.
  115. L. Syam Sundar, K.V. Sharma, Experimental investigation of heat transfer enhancement in a circular tube with longitudinal strip inserts, Proceedings of the 19th National & 8th ISHMT-ASME Heat and Mass Transfer Conference–2008 at JNTU College of Engineering, Hyderabad, (Jan 3rd –5th), 2008, pp. 87.
  116. L. Syam Sundar, K.V. Sharma, CFD analysis of laminar flow in a horizontal tube with longitudinal strip inserts, Proceedings of the 19th National & 8th ISHMT-ASME Heat and Mass Transfer Conference-2008 at JNTU College of Engineering, Hyderabad, (Jan 3rd – 5th), 2008, pp. 92.
  117. L. Syam Sundar, K.V. Sharma, Investigation of convective heat transfer of nanofluid in a circular tube under constant heat flux condition, Proceedings of the International Conference on Nanoscience and Technology-2008 at Indira Gandhi Centre for Atomic Research, Kalpakkam, (Feb 27th –29th), 2008, pp. 145.
  118. P.V. Durga Prasad, L. Syam Sundar, Analysis of lead screws in static and dynamic load aspects, The Institution of Engineers (India), 68th AGM at Hyderabad, 29th Oct 2005, 135-139.
  119. P.V. Durga Prasad, L. Syam Sundar, V. Shravan Kumar, Failure analysis of aluminum remelting furnace crucible by using finite element method, The Institution of Engineers (India), 68th AGM at Hyderabad, 29th Oct 2005, 141-145.
  120. N. Sateesh, M. Chandra Shekar Reddy, L. Syam Sundar, Improvement in motion characteristics of cam follower systems, Proceedings of NCCAME-2005 at JNTU college of Engineering-Anathapur, 21th Dec 2005, 25-29.
  121. L. Syam Sundar, V. Sridhar Patnaik, K.V. Sharma, P.V. Durga Prasad, N. Chandra Shekar Reddy, A FEM based analysis of aluminum remelting furnace crucible with different materials, Proceedings of NCCAME-2005 at JNTU college of Engineering-Anathapur, 21th Dec 2005, 131-134.
  122. L. Syam Sundar, A.V.S.S.K.S. Gupta, P.V. Durga Prasad, Thermal analysis of 250 M.W. steam turbine casing by using finite element method, Proceedings of NCCAME -2005 at JNTU college of Engineering-Anathapur, 21th Dec 2005, 220-226.
  123. P.V. Durga Prasad, L. Syam Sundar, G. Gangadhar, M.C.S. Reddy, Thermo-structural analysis of low pressure boiler sleeve with different coatings by using finite element method, Proceedings of NC CAD/CAM-2006 at JNTU College of Engineering-Kakinada, 27th Feb 2006, 13-17.
  124. L. Syam Sundar, M. Basaveswara Rao, P.V. Durga Prasad, M.C.S. Reddy, Thermal analysis of 26.82 MW gas turbine casing by using finite element method. Proceedings of NC CAD/CAM-2006 at J N T U College of Engineering-Kakinada, 27th Feb 2006, 62-66.
  125. L. Syam Sundar, P.V. Durga Prasad, A.V.S.S.K.S. Gupta, V. Sridhar Patnaik, A FEM based structural analysis of AISI 4340 (EN 24) material with poly crystalline cubic boron nitride (P.C.B.N.) cutting tool, Proceedings of NCCAD/CAM-2006 at JNTU College of Engineering- Kakinada, 27th Feb 2006, 67-72.
  126. P.V. Durga Prasad, L. Syam Sundar, A.V.S.S.K.S. Gupta, Thermal design and analysis of a finned tube air cooled heat exchanger of thermal power plant, Proceedings of NCSAME-2006 at JNTU College of Engineering-Hyderabad, 5th May 2006, 95-99.
  127. L. Syam Sundar, P.V. Durga Prasad, P. Srinivasa Rao, Exhaust gases treatment of single cylinder diesel engine by using ‘CATCON’ for reducing emissions, Proceedings of NCSAME-2006 at JNTU College of Engineering-Hyderabad, 5th May 2006, 394-397.
  128. L. Syam Sundar, P. Srinivasa Rao, M. Chander Shekar Reddy, Experimental Investigations on the textural characteristics and integrity of roller burnished surfaces, Proceedings of NCSAME-2006 at JNTU College of Engineering-Hyderabad, 5th May 2006, 389-393.
  129. P.V. Durga Prasad, L. Syam Sundar, Fatigue life and thermal stress analysis of clamshell heat exchanger, Proceedings of The Institution of Engineers (India), 69th AGM at Hyderabad, 30th Oct 2006, 43-48.
  130. P.V. Durga Prasad, L. Syam Sundar, Rheological behavior of suspended Al2O3 nanoparticles dispersed in dispersed in distilled water, Proceedings of The Institute of Engineers (India), 72th AGM at Hyderabad, 30th Oct 2009, 57-63.