Energy and Power

Energy & Power is a journal publishing research and reviewing articles in all important aspects of energy and power engineering. Both experimental and theoretical papers are acceptable provided they report important findings, novel insights, or useful techniques.

p-ISSN: 2163-159X
e-ISSN: 2163-1603
Website: http://journal.sapub.org/ep

S. K. Tyagi

Editorial Board Member of Energy and Power

Associate Professor, SSS-National Institute of Renewable Energy, India

Research Areas

Energy, Exergy, Biogas, Refrigeration & Airconditioning, Heat and Power, Heat Engines, Irreversible & Finite Time Thermodynamics, Biomass Management

Education

2002-2007	Post Doctorate	Hong Kong & China
2002	Ph.D	Centre for Energy Studies, Indian Institute of Technology (IIT) Delhi & C C. S. University, Meerut (UP) India

Experience

2011-present	Scientist E/Dy. Director,Sardar Swaran Singh National Institute of Renewable Energy (SSS-NIRE), India
2008-2011	Assistant Professor, School of Infrastructure Technology & Resource Management, Shri Mata Vaishno Devi University, India
2007-2008	Brain Pool Scientist, Department of Renewable Energy, Korea Institute of Energy Research, South Korea
2005-2007	Post Doctoral Research Fellow, Building Services Engineering, The Hong Kong Polytechnic University, Hong Kong
2004-2005	Post Doctoral Research Fellow, Institute of Refrigeration & Cryogenics, Zhejiang University, China
2002-2004	Post Doctoral Research Fellow, School of Physics, Mechanical & Electrical Engineering, Xiamen University, China
2002	Project Associate, Centre for Energy Studies, Indian Institute of Technology, India
2001-2002	Software Developer, Harmonic Software Patterns Ltd. India
2000-2001	Senior Research Fellow, Centre for Energy Studies, Indian Institute of Technology, India
1999-2000	Project Assistant, Centre for Energy Studies, Indian Institute of Technology, India
1997-1999	Junior Research Fellow, Centre for Energy Studies, Indian Institute of Technology, India
1995-199	Part Time Research Fellow, Department of Physics, L. R. College, Sahibabad, Ghaziabad, India

Academic Achievement

Post Doctoral Fellowship: Japan Society for the Promotion of Science (JSPS), Japan (2008, Offered)

Brain Pool Fellowship: Korea Foundation of Science & Technology (KOFST) South Korea (April, 2007)

Post Doctoral Fellowship: University Grant Commission (UGC) Hong Kong, SAR (April, 2005)

Post Doctoral Fellowship: National Natural Science Foundation of China, Hangzhou (Zhejiang) China (Nov. 2004)

Post Doctoral Fellowship: National Natural Science Foundation of China, Xiamen (Fujian) China (Oct. 2002)

Research Associate: Council of Scientific & Industrial Research (CSIR), New Delhi, India (July, 2002)

Membership

American Society of Heating, Refrigeration & Air-conditioning Engineers (ASHRAE)

International Solar Energy Society (ISES)

International Society for Energy Materials (ISEM)

Indian Society of Heating, Refrigeration & Air-conditioning Engineers (ISHRAE)

Indian National Science Congress (INSC)

Solar Energy Society of India (SESI)

Indian Physics Association (IPA)

Publications: Journals

[1]	S. Anand and S. K. Tyagi, Exergy analysis and experimental study of a vapor compression refrigeration cycle: a technical note, Journal of Thermal Analysis & Calorimetry (In Press 2011).
[2]	A. K. Pandey, V. V. Tyagi, S. R. Park and S. K. Tyagi, Comparative experimental study of solar cookers using exergy analysis Journal of Thermal Analysis & Calorimetry (In Press 2011).
[3]	V. V. Tyagi, A. K. Pandey, G. Giridhar, B. Bandhopadhyay, S. R. Park and S. K. Tyagi, Comparative study based on exergy analysis of solar air dryer using temporary thermal energy storage, International Journal of Energy Research (In Press, 2011).
[4]	A. K. Pandey, V. V. Tyagi, S. C. Kaushik and S. K. Tyagi, Thermal performance evaluation of a solar air heater with and without thermal energy storage Journal of Thermal Analysis & Calorimetry (In Press 2011).
[5]	V. V. Tyagi, S C. Kaushik, S. K. Tyagi and T. Akiyama, Development of Phase Change Materials based Microencapsulated Technology for Buildings: A Review, Renewable & Sustainable Energy Reviews (In Press, 2011).
[6]	S. C. Kaushik, V. S. Reddy and S. K. Tyagi. Energy and Exergy Analysis of Thermal Power Plants: A Review. Renewable and Sustainable Energy Reviews Vol.15 (2011) pp.1857-1872.
[7]	V. V. Tyagi, S. C. Kaushik, A. K. Pandey and S. K. Tyagi, Experimental study of the supercooling and pH behavior of a typical phase change material for thermal energy storage, Indian Journal of Pure & Applied Physics, Vol. 49 (2011) pp.117-125.
[8]	S. K. Tyagi S. R. Park V. V. Tyagi and S. Anand, Second law based performance evaluation and parametric study of a sea water source cascade heat pump, Int. Journal of Exergy, Vol. 7(3) (2010) pp.369-386.
[9]	S. K. Tyagi, M. S. Kim, S. R. Park and S. Anand, Second law based performance of a modified VAC hybrid heat pump system using NH3-H2O as the working fluid, Indian Journal of Pure & Applied Physics, Vol.48 (2010) pp.212-219.
[10]	S. K. Tyagi, Q. Wang, P. Xia, and G. M. Chen, Optimization of an irreversible Carnot refrigerator working between two heat reservoirs, Int. Journal of Exergy, Vol. 7 (2010) pp.76-88.
[11]	S. K. Tyagi, S. R. Park, V. V. Tyagi and S. Anand, Economic considerations and cost effectiveness among different possible options to control the visible plume from wet cooling tower in commercial buildings, Indian Journal of Pure & Applied Physics. Vol.47 (2009) pp.597-608.
[12]	S. K. Tyagi, S. W. Wang, S. R. Park and A. Sharma, Economic Considerations and Cost Effectiveness of the Heat Pumps and Solar Collectors for the Control of Visible Plume from Wet Cooling Towers in a Commercial Building, Renewable and Sustainable Energy Reviews, Vol. 12 (2008) pp.2194-2210.
[13]	C. R. Chen, A. Sharma, S. K. Tyagi and D. Buddhi, Numerical Heat Transfer Studies on PCMs used in a Box Type Solar Cooker, Renewable Energy, Vol.33 (2008) pp.1121-1129.
[14]	S. K. Tyagi, S. W. Wang and S. R. Park, Performance Criteria on Different Pressure Ratios of an Irreversible Modified Complex Brayton Cycle, Indian Journal of Pure & Applied Physics, Vol. 46 (2008) pp-565-574.
[15]	S. K. Tyagi, W. Wang, S. C. Kaushik, M. K. Singhal and S. R. Park, Exergy Analysis and Parametric Study of Concentrating Type Solar Collectors, Int. Journal of Thermal Sciences, Vol. 46 (2007) pp.1304-1310.
[16]	S. K. Tyagi, S. W. Wang and Z. J. Ma, The Prediction, potential and control of plume from cooling towers at a commercial building in Hong Kong: A case study, Int. Journal of Energy Research, Vol. 31 (2007) pp.778-795.
[17]	S. K. Tyagi, S. W. Wang, Atul Sharma and S. C. Kaushik, Application of Solar Collectors to Control the Plume from Wet Cooling Towers in a Commercial Building: A Case Study, Applied Thermal Engineering, Vol. 27 (2007) pp.1394-1404.
[18]	S. K. Tyagi, S. W. Wang, H. Chandra, G. M. Chen, Q. Wang and C. Wu, Performance investigations under maximum ecological and maximum economic conditions of complex Brayton cycle, Int. Journal of Exergy, Vol.4 (2007) pp.98-116.
[19]	S. K. Tyagi, G. M. Chen, Q. Wang and S. C. Kaushik, A new thermoeconomic approach and parametric study of irreversible regenerative Brayton refrigeration cycle, Int. Journal of Refrigeration, Vol.29 (2006) pp.1167-1174.
[20]	S. K Tyagi, S. W. Wang and S C Kaushik, Irreversible modified complex Brayton cycle under maximum economic condition, Indian Journal of Pure & Applied Physics, Vol. 44 (2006) pp.592-601.
[21]	S. K. Tyagi, G. M. Chen, Q. Wang and S. C. Kaushik, Thermodynamic analysis and parametric study of an irreversible regenerative-intercooled-reheat Brayton cycle heat engine, Int. Journal of Thermal Sciences, Vol.45 (2006) pp.829-840.
[22]	S. K. Tyagi, Guoxing Lin, Jincan Chen and S. C. Kaushik, Ecological optimization of irreversible Ericsson cryogenic refrigerator cycle, Int. Journal of Energy Research, Vol.29 (2005) pp.1191-1204.
[23]	S. K Tyagi, J. Chen G Lin, S C Kaushik. Effect of several irreversibilities on the thermoeconomic performance of a realistic Brayton heat engine cycle. Indian Journal of Pure & Applied Physics, Vol. 43 (2005) pp.612-619.
[24]	S. K. Tyagi, Jincan Chen, S. C. Kaushik, V. Tiwari and Chih Wu, Effects of several major irreversibilities on the thermodynamic performance of an irreversible regenerative MHD power cycle, ASME Journal of Energy Res. Tech. Vol.127 (2005) pp.103-118.
[25]	S. K. Tyagi, Jincan Chen, G. Lin and S. C. Kaushik, Thermoeconomic optimization and parametric study of irreversible Ericsson heat engine cycle, Int. Journal of Thermodynamics, Vol.7 (2005) pp.189-198.
[26]	S. K. Tyagi, Jincan Chen and S. C. Kaushik, Optimal criteria based on the ecological function of an irreversible intercooled regenerative modified Brayton cycle, Int. Journal of Exergy, Vol. 2 (2005) pp.90-107.
[27]	S. K. Tyagi, G. Lin, S. C. Kaushik and Jincan Chen, Thermoeconomic optimization and parametric study of irreversible Stirling cryogenic refrigerator cycle, Int. Journal of Refrigeration, Vol.27 (2004) 924-927.
[28]	Yinghui Zhou, S. K. Tyagi, and Jincan Chen, The optimal performance of an irreversible Braysson heat engine cycle, Int. Journal of Thermal Sciences, Vol.43 (2004) pp.1101-1106.
[29]	S. K. Tyagi, Jincan Chen and S. C. Kaushik, Thermoeconomic optimization and parametric study of an irreversible Stirling heat pump cycle, Int. Journal of Thermal Sciences, Vol.43 (2004) pp.105-112.
[30]	S. K. Tyagi, Yinghui Zhou and Jincan Chen, Optimum criteria on the performance of an irreversible Braysson heat engine based on the new thermoeconomic approach, Entropy-An Int. Journal, Vol.6 (2004) pp.244-256.
[31]	S. C. Kaushik, S. K. Tyagi and M. K. Singhal, Parametric study of an irreversible regenerative Brayton cycle with isothermal heat addition, Energy Convers. Mgmt., Vol.44 (2003) pp.2013-2025.
[32]	S. K. Tyagi, S. C. Kaushik and V. Tiwari, Ecological optimization and parametric study of an irreversible regenerative Brayton heat engine with isothermal heat addition, Entropy-An Int. Journal, Vol.5 (2003) pp.377-390.
[33]	S. C. Kaushik and S. K. Tyagi Finite time thermodynamic analysis of a non-isentropic regenerative closed cycle Brayton heat engine, Int. Journal of Solar Energy, Vol.22 (2002) pp.141-151.
[34]	S. K. Tyagi, S. C. Kaushik and R. Salhotra, Ecological optimization and parametric study of irreversible Ericsson and Stirling heat engines, Journal of Phys D: Appl. Phys. Phys, Vol.35 (2002) pp.2668-2675.
[35]	S. C. Kaushik, S. K. Tyagi S. K. Bose and M. K. Singhal, Evaluation of irreversible Ericsson and Stirling heat pump cycles, Int. Journal of Thermal Sciences, Vol.41 (2002) pp.193-200.
[36]	S. K. Tyagi, S. C. Kaushik and M. K. Singhal, Evaluation of irreversible Ericsson and Stirling cryogenic refrigerator cycles, Energy Convers. Mgmt., Vol.43 (2002) pp.2297-2309.
[37]	S. K. Tyagi, S. C. Kaushik and R. Salhotra, Ecological optimization study of irreversible Ericsson and Stirling heat pump cycles, Journal of Phys D: Appl. Phys, Vol.35 (2002) pp.2058-2065.
[38]	S. C. Kaushik and S. K. Tyagi (S. Kumar), Finite time thermodynamic evaluation of irreversible Ericsson and Stirling heat engines, Energy Convers. Mgmt., Vol.42 (2001) pp.295-312.
[39]	S. C. Kaushik and S. K. Tyagi (S. Kumar), Finite time thermodynamic analysis of endoreversible Stirling heat engine with regenerative losses, Energy-The International Journal, Vol.25 (2000) pp.989-1003.
[40]	Varun, F. Singh, S. K. Tyagi, Himanshu Nautiyal, Experimental Investigation of Packed Bed Solar Thermal Energy System with Cylindrical Elements, Int. J. of Sci. & Tech., Vol.1 (2011) pp.43-50.
[41]	S. Anand, N. K. Bansal, S. R. Park and S. K. Tyagi, Economical optimization and reduction of heat transfer losses from steam pipes using different insulation: A case study, International Journal of Sustainable Energy (In Press, 2011).
[42]	V. S. Reddy and S. K. Tyagi Performance evaluation of a diesel engine fueled with methyl ester of Jangliarandi seed oil, International Journal of Sustainable Energy (In Press, 2011).
[43]	S. K. Tyagi, Optimum criteria based on different pressure ratios of an irreversible regenerative complex Brayton cycle, Int. Journal of Sustainable Energy, Vol. 29 (2010) pp.191-210.
[44]	S. K. Tyagi, V. V. Tyagi, S. Anand, V. Chandra, and R. K. Diwedi, First and second law analyses of a typical solar dryer: A case study, Int. Journal of Sustainable Energy, Vol.29 (2010) pp.8-18.
[45]	S. K. Tyagi, Effects of intercooling on the performance of a realistic regenerative Brayton heat engine cycle, Int. Journal of Sustainable Energy, Vol.28 (2009) pp.231-245.
[46]	S. K. Tyagi, S. R. Park, and S. W. Wang, Economic and thermodynamic analysis and cost comparison among different heating system to control the visible plume from wet cooling towers, Int. Journal of Ambient Energy, Vol.29 (2008) pp.93-114.
[47]	S. K. Tyagi, S. W. Wang and S. C. Kaushik, Investigations on a Complex Brayton Cycle under Maximum Economic and Maximum Thermodynamic Conditions, Int. Journal of Ambient Energy (2007) pp.151-163.
[48]	S. K. Tyagi, Jincan Chen and S. C. Kaushik, Effects of the intercooling on the performance of an irreversible regenerative modified Brayton cycle, Int. Journal of Power and Energy Systems Vol. 27 (2007) pp.56-64.
[49]	S. K. Tyagi, S. W. Wang, G. M. Chen, H. X. Han and S. C. Kaushik, Optimal criteria for different parameters of an irreversible regenerative intercooled Brayton cycle under maximum power and maximum ecological COP conditions, Int. Journal of Ambient Energy, Vol.27 (2006) pp.37-51.
[50]	S. K. Tyagi and Jincan Chen, Performance evaluation of an irreversible regenerative modified Brayton heat engine cycle based on thermoeconomic criterion, Int. Journal Power and Energy Systems, Vol.26 (2005) pp.66-74.
[51]	S. K. Tyagi, Jincan Chen and S. C. Kaushik, Optimization on the thermoeconomic performance of a regenerative MHD power cycle affected by multi-irreversibilities, Int. Journal of Ambient Energy, Vol.26 (2005) pp.191-202.
[52]	S. K. Tyagi, Jincan Chen and S. C. Kaushik, The performance characteristics of a realistic regenerative inter-cooled Brayton cycle at maximum thermoeconomic function, Int. Journal of Ambient Energy, Vol.26 (2005) pp.155-168.
[53]	S. K. Tyagi and S. C. Kaushik, Ecological optimization of an irreversible regenerative intercooled Brayton heat engine with direct heat loss, Int. Journal of Ambient Energy, Vol.26 (2005) pp.81-92.
[54]	Yinghui Zhou, S. K. Tyagi, Chih Wu and Jincan Chen, General optimum characteristics on the performance of an irreversible Brayton heat engine cycle, Int. Journal of Ambient Energy, Vol.26 (2005) pp.37-44.
[55]	B. Lin, S. K. Tyagi and Jincan Chen, Optimization on the performance of an irreversible Brayton refrigerator cycle, Chinese Journal of Refrigeration, Vol.104 (2004), pp.42-44 (In Chinese).
[56]	Jincan Chen, S. K. Tyagi and Chih Wu, Optimal design on the performance parameters of an irreversible Carnot heat engine based on the thermoeconomic approach, Int. Journal of Ambient Energy Vol.24 (2003) 201-206.
[57]	S. C. Kaushik, S. K. Tyagi and S. Mohan, Performance evaluation of an irreversible Stirling heat engine, Int. Journal of Ambient Energy Vol.24 (2003) pp.149-156.
[58]	S. C. Kaushik N. Singh and S. K. Tyagi (S. Kumar), Thermodynamic evaluation of a modified steam regenerative Brayton cycle for solar thermal power generation, Journal of Solar Energy Society of India, Vol.9 (l999) pp.63-75.
[59]	S. C. Kaushik, S. K. Tyagi (S. Kumar) and A. Khaliq, Application of finite time thermodynamics to refrigeration and air-conditioning systems, Journal of Energy Opportunities, Vol.13 (1998) pp.15-17.
[60]	S. C. Kaushik, N. Singh and S. K. Tyagi (S. Kumar), Assessment of solar thermal power generation-an overview, Journal of Energy Opportunities, Vol.12 (1997) pp.9-12.

Publications: Conferences/Workshops/Symposiums

[1]	S. Anand, A. K. Pandey and S. K. Tyagi, Design and experimental study of a 3TR vapor absorption refrigeration system, International Conference on Renewable Energy (ICORE-2010) going to be held during Dec. 1-3, 2010 at Chandigarh (India).
[2]	V. S. Reddy, S. C. Kaushik and S. K. Tyagi, Second law analysis of Solar Thermal Power Plant, Proceedings of International Conference on Advances in Renewable Energy, Feb. 2010, pp.475-482, NIT Bhopal (MP) India.
[3]	S. K. Tyagi, J. H. Lee, K.C. Chang and S. R. Park, Exergy analysis and parametric study of a sea water source heat pump, 7th International Conference on Sustainable Energy Technology, August, 24-27, 2008, Seoul, Korea.
[4]	S. K. Tyagi, M. S. Kim, H. S. Ra, J. H. Kim and S. R. Park, Performance evaluation and experimental investigations of a modified hybrid vapor compression/absorption heat pump system for real life applications using NH3-H2O as the working fluid, 9th IEA Conference, May, 22-24, 2008, Zurich, Switzerland.
[5]	S. K. Tyagi, V. V. Tyagi, S. R. Park and S. C. Kaushik, Economic considerations and cost comparisons among different possible options to control the visible plume from wet cooling tower in commercial buildings, Proceedings of International 3-e GIBC Conference, Oct. 2007, Taiwan.
[6]	S. K. Tyagi, S. W. Wang and S. R. Park, Cost Effectiveness and Thermodynamic Analysis for the Application of Solar Collector and Heat Pump to Control the Visible Plume from Wet Cooling Towers of Commercial Buildings in Hong Kong, Proceedings of IEEE-3 Conference, July-2007, Avora, Portugal.
[7]	S. K. Tyagi, J. Chen and Ben Hua, Performance evaluation and parametric study of irreversible Carnot heat pump and refrigerator cycles, Proceedings of 3rd International Symposium on Heat Transfer Enhancement & Energy Conservation, January, 2004, Guangzhou, China.
[8]	S. C. Kaushik and S. K. Tyagi (S. Kumar), Finite time thermodynamic evaluation of irreversible Ericsson and Stirling heat pump cycles, 4th International Conference on Heat Pipes and Heat Pumps Systems, Sept., 2000, Minsk, Belarus.
[9]	V. Chandra, R. C. Diwedi, S. Anand, and S K Tyagi, Optimum utilization of renewable energy sources to control the visible plume from wet cooling towers, National Renewable Energy Conference, Nov. 5-7, 2009, Jodhpur, India.
[10]	R.C. Diwedi, V. Chandra and S K Tyagi, Energy and exergy analyses of a solar air dryer, National Renewable Energy Conference, Nov. 5-7, 2009, Jodhpur, India.
[11]	S. K. Tyagi, S. R. Park and S. Anand, Second Law Analysis of a Hybrid Heat Pump System for Waste Heat Recovery, National Renewable Energy Conference, Nov. 5-7, 2009, Jodhpur, India.
[12]	S. Kesar, R. Gupta, V. V. Tyagi and S. K. Tyagi, Performance analysis of solar cooker for rural India, B. B. Conference Jan.31-Feb.02, 2009.
[13]	K. Sharma, P. Mahajan, V. V. Tyagi and S. K. Tyagi, Experimental investigations and performance analysis of solar water heating systems for a typical Indian climate, B. B. Conference, Jan.31-Feb.02, 2009.
[14]	B. Lin, S. K. Tyagi and Jincan Chen, Optimization on the performance of an irreversible Brayton refrigerator cycle, Chinese Annual Academic Meeting on Refrigeration and Air-conditioning, October, 2004, Xi'an, China (In Chinese).
[15]	S. K. Tyagi, S. C. Kaushik and B. K. Tyagi, Thermodynamic Evaluation Regenerative Closed Cycle Brayton Heat Engine with isothermal heat addition, National Renewable Energy Convention 2000 IIT, Bombay, India.