(A): PATENTS
1. SK Tyagi and R. Goyal, Underground structures for vegetable storage for cold desert (In Process, 2024).
2. SK Tyagi, Alok Kumar, SP Parameswaran and Devershi Maurya, Smoke-free Jaggery production using agro- & agro-processing wastes Ref. No. FT/IDF/03/2025/15).
3. SK Tyagi, Agro-wastes biomass pellet-based cookstove cleaner than LPG stove (Ref. No. FT/IDF/03/2024/27).
4. SK Tyagi PR Chauhan and G. Raveesh, A Method for Developing Adsorbent from Sugarcane Bagasse for Sustainable Cooling and Atmospheric Water Harvesting (Ref. No. FT/IDF/02/2024/10).
5. SK Tyagi, Himanshu, K Pal and Sanjeev Jain, Gasifier based biomass cookstove as clean as the LPG stove, Patent No. 579582 (granted on 30.01.2026).
6. SK Tyagi, Biomass pellet-based combustion devices, Patent No. 397919 (granted on 27.05.2022).
(B): BOOKS
1. SC Kaushik, MK Gandhi and SK Tyagi, Energy and Matter in Science & Spirituality, (In Process, 2026).
2. SK Tyagi, A. Arora and SC Kaushik, Second Law Analysis of Thermal Energy Systems (In Process, 2026).
3. SK Tyagi, VV Tyagi and AK Pandey, Applied Energy Systems, Satyam Publishers, New Delhi (June, 2026).
4. SC Kaushik, SK Tyagi, and V Baiju, Solar Cooling: Basics and Advances, Capital Publishes, New Delhi, (Feb., 2024)
5. SC Kaushik, SK Tyagi and P Kumar, Finite Time Thermodynamics of Thermal Energy Conversion Systems, Springer, Germany (Nov., 2017).
6. S Kumar, AK Sarma, SK Tyagi and YK Yadav, Recent Advances in Bioenergy Research, ISBN 978-81-927097-1-0, Vol.3, 2014.
7. S Kumar and SK Tyagi, Recent Advances in Bioenergy Research, ISBN 978-81-927097-1-0, Vol.2, 2013.
(C): BOOK CHAPTERS
1. SS Aithal, V Bhargava, A Adekoya, N Chaudhary, SK Tyagi and OP Kurmi, Air Quality in Low- and Middle-Income Countries: What is the Impact on Respiratory Morbidity and Mortality, Chapter 18 in ERP Monogram on Inequalities in Respiratory Health Edited by I. P. Sinha et al, 2023.
2. K. Pal, Himanshu, and S K Tyagi, Comparative study and emission reduction potential from different biomass cookstoves, Book Chapter in Biomass, Bioenergy and Bioeconomy, Ed. by R. Kothari, A. Singh, N. K. Arora (2022) pp.161-184.
3. SC Kaushik, R Lamba, SK Tyagi. Physics, Modelling and Optimization Studies of Photon Enhanced Thermionic Emission Energy Conversion System: A Review, Book Chapter in the Handbook of Research on Power and Energy System Optimization published by Advances in Environmental Engineering and Green Technologies (AEEGT) IGI Global, 2018, pp.399-452.
4. R Punia, RR Marlar, SK Tyagi and S Kumar, Potential of bioelectricity production in India through thermochemical conversion of lignocellulosic biomass, Chapter 8 in Sustainable Biofuels Development in India Edited by: A. K. Chandel and R. K. Sukumaran, Published by Springer, Published in (2017).
5. Y Anand, A Gupta, SK Tyagi, S. Anand, Variable capacity absorption cooling system performance for building application, Vol. 4 (2018) pp. 2303-2317.
6. S Anand, A Gupta, Y Anand and SK Tyagi, Physical and Chemical Exergy Analysis and Assessment of Biogas as an Energy Source in Hybrid Cooling Machine, Chapter13 in Emerging Energy Alternatives for Sustainable Environment by: D. P. Singh, R. Kothari, V. V. Tyagi (Eds) pp.239-258 (2016) India.
7. K Pal, P Yadav and SK Tyagi, Renewable energy sources in India and their applications, Book Chapter in Sustainable Biofuels Development in India Edited by: A. K. Chandel and R. K. Sukumaran, Published by Springer, Published in (2017).
8. SK Tyagi, AK Pandey, Kunwar Pal, Performance evaluation, technical and environmental aspects of biomass cookstoves: an exergy approach, Book Chapter in Energy Technology 2014: Carbon Dioxide Management and Other Technologies, Edited by: Cong Wang, Jan de Bakker, Cynthia K. Belt, Animesh Jha, Neale R. Neelameggham, Soobhankar Pati, Leon H. Prentice, Gabriella Tranell, and Kyle S. Brinkman TMS (The Minerals, Metals & Materials Society), pp.157-164 (2014) USA.
9. K Pal, AK Pandey, P Gera and SK Tyagi, Comparative study of different biomass cookstove model: An experimental study, Chapter-9 in Recent Advances in Bioenergy Research (Eds. S. Kumar and S. K. Tyagi, et al.) (ISBN 978-81-927097-2-7) Vol.3 (2014) pp.79-97.
10. V Kumar, R Kothari and SK Tyagi, Biological hydrogen production by facultative anaerobic bacteria Enterobacter aerogens (MTCC 8100), Chapter-24 in Recent Advances in Bioenergy Research (Eds. S. Kumar and S. K. Tyagi, et al.) (ISBN 978-81-927097-2-7) Vol.3 (2014) pp. 253-262.
11. S Anand, A Gupta and SK Tyagi, Thermodynamic analysis of 1TR biogas based NH3-H2O vapor absorption system, Chapter-8 in Recent Advances in Bioenergy Research (Eds. S. Kumar and S. K. Tyagi) (ISBN 978-81-927097-1-0) Vol.2 (2013) pp.79-97.
12. AK Pandey, MK Chahal and SK Tyagi, Energetic and exergetic performance analysis of various renewable energy systems, Chapter-9 in Recent Advances in Bioenergy Research (Eds. S. Kumar and S. K. Tyagi) (ISBN 978-81-927097-1-0) Vol.2 (2013) pp.99-112.
(D): SCI – JOURNALS
1. PR Chauhan, SK Tyagi, Optimized biosorbent for ethanol sorption refrigeration: Adsorption kinetics, thermodynamic performance, and entransy evaluation, International Journal of Refrigeration, Vol.182 (2026) pp.169-187.
2. Sachin Kamboj, Riya Sharma, SK Tyagi, Energy, environmental, and human health implications of brick production in India: a systematic review, Clean Technologies and Environmental Policy, Vol. 28 (2026) pp.1-27.
3. Riya Sharma, V. Kumar, S. K. Tyagi, Chemical characterization of textile industry effluents in the northern Ganga basin: a comparative study of Yamuna and non-Yamuna basin discharges, International Journal of River Basin Management https://doi.org/10.1080/15715124.2025.2489513.
4. PR Chauhan, MA Islam, BB Saha, SK Tyagi, Novel insights of HFO-1234ze (E) adsorption onto optimized carbons from sugarcane bagasse for thermal applications, Applied Thermal Engineering, Vol. 264 (2025) 125463.
5. PR Chauhan, SK Tyagi, Understanding the processwise entropic framework in an industrial heat-powered refrigeration cycle, International Journal of Exergy, Vol. 48 (2025) pp. 67-81.
6. Alok Kumar, KK Agrawal, D Maurya and SK Tyagi, Heat transfer assessment and performance enhancement of a Jaggery production unit using CFD simulations and field studies, International Communications in Heat and Mass Transfer, Vol.167 (2025) 109361.
7. Sanjay Sena, Rahul Goyal, S. K. Tyagi, Dynamic Prediction of Human Thermal Sensation: A Numerical Solution. Heat Transfer Engineering, Vol 47 (2025) pp.1-11. https://doi.org/10.1080/01457632.2025.2562720.
8. Sanjaya Sena, Rahul Goyal, SK Tyagi, Numerical modelling for improved prediction of ground temperature in seasonal snow-cover regions, Cold Regions Science and Technology, Vol.239 (2025), 104578.
9. PR Chauhan, SK Tyagi, Experimental study on CO2 capture by KOH-activated pistachio shell char and its composites using chemisorption approach, Environmental Progress & Sustainable Energy, Vol44 (2025) 14638.
10. T Sigsgaard OP Kurmi, TB Adhikari, SK Tyagi, P Kallestrup, Addressing Air Pollution in India: Innovative Strategies for Sustainable Solutions, Indian Journal of Medical Research, Vol. 160 (2024) pp.1-5.
11. PR Chauhan, S Yagnamurthy, SK Tyagi, Potential assessment of biomass-based single-stage adsorption systems for refrigeration, cooling, and heat-pumping applications, International Journal of Green Energy, Vol.21 (2024) pp.2299-2317.
12. PR Chauhan and SK Tyagi, Genetic algorithm based multi-objective optimization of an adsorption cooling system with passive heat recovery mechanism, International Communications in Heat and Mass Transfer. Vol. 158 (2024) 107848.
13. G Raveesh, R. Goyal, SK Tyagi, Atmospheric Water Sorption Kinetics of a Biomass-Derived Sorbent: A Preliminary Study, Reaction Kinetics, Mechanisms and Catalysis, Vol.137 (2024) pp. 3025–3036.
14. A. Verma, SC Kaushik and SK Tyagi, Enhanced Performance of a Modified tc-CO2 Refrigeration System Aided with An Absorption Chiller - An Exergetic and Energetic Analysis, International Journal of Exergy (In Press, 2024)
15. PR Chauhan, V Baiju, SK Tyagi, Adsorption of ethanol onto novel and indigenous green adsorbents: Synthesis, characterization and applications, Journal of Cleaner Production, Vol.442 (2024) 140978.
16. S. C. Kaushik, Abhishek Verma, S. K. Tyagi, Advances in solar absorption cooling systems: An overview, Journal of Thermal Engineering, Volume: 10 Issue: 4, 1044 - 1067, 29.07.2024 (2024)
17. PR Chauhan, G Raveesh, K Pal, R Goyal, SK Tyagi, Production of biomass derived highly porous activated carbon: A solution towards in-situ burning of crop residues in India, Bioresource Technology Reports, Vol. 22 (2023) 101425.
18. A Kumar, KK Agrawal and SK Tyagi, Exergetic sustainability of a traditional four-pan jaggery unit for winter and summer seasons in northern India, Journal of Cleaner Production, Vol. 412 (2023)137410.
19. PR Chauhan and SK Tyagi, Bioenergy-driven Green Cooling System for Different Climate Conditions: Minimum, Maximum, and Optimum Desorption Temperature, International Journal of Smart Grid and Clean Energy, Vol. 12 (2023), 30-38.
20. Raveesh G, R. Goyal and SK Tyagi, Parametric analysis of Atmospheric Water Generation System and its viability in Indian Cities, Thermal Science and Engineering Progress, Vol. 39 (2023) 101682.
21. Himanshu, OP Kurmi, Sanjeev Jain and SK Tyagi, Performance assessment of an improved gasifier stove using biomass pellets: An experimental and numerical investigation, Sustainable Energy Technology and Assessment, Vol. 53 (2022) 102432.
22. PR Chauhan, SC Kaushik and SK Tyagi, A review on thermal performance enhancement of green cooling system using different adsorbent/refrigerant pairs, Energy Conservation and Management-X, 14 (2022) 100225.
23. A. Dubey, S.K. Singh, S.K. Tyagi, Advances in design and performance of dual slope solar still: A review, Solar Energy, Volume 244, 15 September 2022, Pages 189-217 (2022)
24. Himanshu, K Pal, S Jain and SK Tyagi, Energy and exergy analysis and emission reduction from forced draft gasifier cookstove models: a comparative study, Journal of Thermal Analysis and Calorimetry, doi: 10.1007/s10973-021-11137-y, 2022 (2022).
25. S Golder, MR Islam, R Narayanan, S Golder, MA Gafur, R Pippia and SK Tyagi, Comparative study of thermal degradation kinetics of two woody biomass samples for bio-oil production, Sustainable Energy Technologies and Assessments, 522 (2022) 102158.
26. Kalidasan B, AK. Pandey, R Saidur, SK Tyagi, Experimental evaluation of binary and ternary eutectic phase change material for sustainable thermal energy storage, Journal of Energy Storage, Vol. 68. (2022) 107707.
27. A Verma, SC Kaushik, SK Tyagi, Energy and exergy analysis of a novel ejector-absorption combined refrigeration cycle using natural refrigerants, Int. Journal of Exergy (In press, 2022).
28. Sathya S. Aithal, Shireen Gill, Imran Satia, Sudhir K Tyagi, Charlotte E. Bolton and Om P. Kurmi, The Effects of Household Air Pollution (HAP) on Lung Function in Children: A systematic review, Int. J. Environ. Res. Public Health, Vol.18 (2022) 11973.
29. PR Chauhan, SC Kaushik and SK Tyagi, Current status and technological advancements in adsorption refrigeration systems: A review, Renewable and Sustainable Energy Reviews, Vol.154 (2022) 111808.
30. Mkpamdi N Eke, Chika C Maduabuchi, Howard O Njoku, Xiaoli Mae, Yuri G. Gurevich, SK Tyagi, Onyemaechi V. Ekechukwu, Emenike C. Ejiogu and Chibuoke T. Eneh, Exergy analysis and optimisation of a two-stage solar thermoelectric generator with tapered legs, International Journal of Exergy, Vol. 38 (2022) pp. 110-136.
31. VV Tyagi, K Chopra, AK Sharma, AK Pandey, SK Tyagi, et al., A comprehensive review on phase change materials for heat storage applications: Development, characterization, thermal and chemical stability, Solar Energy Material and Solar Cells, Vol.234 (2022) 111392.
32. SK Tyagi, S Kamboj, Himanshu, N Tyagi, R Narayanan, VV Tyagi, Technological advancements in jaggery-making processes and emission reduction potential via clean combustion for sustainable jaggery production: An overview, Journal of Environmental Management Vol.301 (2022) 113792.
33. SK Singh, SC Kaushik, VV Tyagi and SK Tyagi, Experimental and computational investigation of waste heat recovery from combustion device for household purposes, International Journal of Energy and Environmental Engineering, Vol. 12 (2021) 1-12.
34. SK Singh, SC Kaushik, VV Tyagi, and SK Tyagi, Comparative Performance and parametric study of solar still: A review Sustainable Energy Technologies and Assessments Vol. 47 (2021) 101541.
35. G Raveesh R Goyal and SK Tyagi, Advances in atmospheric water generation technologies, Energy Conversion and Management, Vol. 239 (2021), 114226
36. Verma, Saket; Suman, Abhishek; Das, LM; Kaushik, SC; Tyagi SK; A renewable pathway towards increased utilization of hydrogen in diesel engines, International Journal of Hydrogen Energy, Volume 45, Issue 8, 14 February 2020, Pages 5577-5587
37. SS Bhatti, S Verma, SK Tyagi, Energy and exergy based performance evaluation of variable compression ratio spark ignition engine based on experimental work, Thermal Science and Engineering Progress Vol.9 (2020) pp.332-339.
38. SK Tyagi, R Kothari and VV Tyagi, Editorial on the Recent Advances in Biofuels in India, Biofuels Vol.10 (2019) pp.1-2.
39. SK Tyagi and C Prakash. The methodology of star rating for improved biomass cookstoves: barrier analysis of adoption and plan for remediation of barriers in India and elsewhere. Biofuels, Vol.10 (2019) pp.131-134.
40. Saket Verma, K. Kumar, L.M. Das, S.C. Kaushik, S.K. Tyagi, Experimental Analysis on the Effect of Hydrogen Supply Systems in a Diesel Dual Fuel Engine, Journal of Energy and Environmental Sustainability, 7 (2019) 59-62
41. K Pal, MK Jha, P Gera, SK Tyagi, Energy and exergy analysis of a natural-draft improved biomass cookstove with varying quantities of different biomass feedstocks, Biofuels, Vol 10 (2019), 121-130.
42. R Lamba, SC Kaushik, S Manikandan and SK Tyagi. Thermodynamic modelling and performance optimization of trapezoidal thermoelectric cooler using genetic algorithm, Thermal Science and Engineering Progress, Vol.16 (2018) pp.236-250.
43. MS Ahmad A. K. Pandey NA Rahim S Shahabuddin SK Tyagi, Chemical sintering of TiO2 based photoanode for efficient dye sensitized solar cells using Zn nanoparticles, Ceramics International Vol.44 (2018) pp. 18444-18449.
44. Y Anand, A Gupta, SK Tyagi, S Anand, Variable capacity absorption cooling system performance for building application, Journal of Thermal Engineering Vol.4 (2018) 2303-2317.
45. S Verma, LM Das, SC Kaushik, and SK Tyagi, An experimental investigation of exergetic performance and emission characteristics of hydrogen supplemented biogas-diesel dual fuel engine, International Journal of Hydrogen Energy, Vol. 42 (2018) pp.2452-2468.
46. K Manjunath, OP Sharma, SK Tyagi, and SC Kaushik, Thermodynamic analysis of a supercritical/transcritical CO2 based waste heat recovery cycle for shipboard power and cooling applications, Energy Conversion and Management, Vol.155 (2018) pp.262-275.
47. V Kumar, R Kothari, VV Pathak and SK Tyagi, Optimization of Substrate Concentration for Sustainable Biohydrogen Production and Kinetics from Sugarcane Molasses: Experimental and Economical Assessment", Waste and Biomass Valorization Vol. 9 (2018) pp. 273-81.
48. Ravita Lamba, SC Kaushik and SK Tyagi, Geometric optimization of trapezoidal thermoelectric heat pump considering contact resistances through genetic algorithm
International Journal of Energy Research, Vol. 42 (2017) pp.1-15.
49. SK Sansaniwal, MA Rosen, SK Tyagi, Global challenges in the sustainable development of biomass gasification: An overview, Renewable and Sustainable Energy Reviews Vol.80 (2017) pp.23-43.
50. SK Sansaniwal, K Pal, MA Rosen and SK Tyagi, Recent advances in the development of biomass gasification technology, a comprehensive review, Renewable and Sustainable Energy Reviews, Vol.72 (2017) pp.363-384.
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