Dr. Rajesh Maithani

Associate Professor (28th November, 2019)

B. Tech. (Mechanical Engineering), CCS University, Meerut, 2003

M. Tech (Thermal Engineering), UPTU, Lucknow, 2010

Ph. D: Thermal engineering, Uttarakhand Technical University, Dehradun,2017

Area of Specialization:

Thermal Engineering

• Associate Professor: Teaching at University of Petroleum and Energy Studies, 28.11.2019 till date
• Asst. Professor: Teaching at DIT University, Dehradun, 22.08.2007 to 27.11.2019
• Supervisor: New Metro Motors, Dehradun, 05.10.2004 to 31.03.2005
• Asst. Instrument Mechanic: Hindustan Opticals, Lytton Road, Dehradun,01.08.2003 to 31.01.2004

Recent Publications: Latest 2020 onwards

• Maithani, Rajesh; Kumar, Bipin; Sharma, Sachin; Kumar, Sunil; Kumar, Anil; .Effect of a unique winglet twisted tape insert on thermal and hydraulic properties of tubular heat exchanger, Experimental Heat Transfer, 44562, 2022, Taylor & Francis.
• Sharma, Sachin; Kumar, Anil; Maithani, Rajesh; .Influence of twisted tape with collective protruded rib parameters of thermal–hydraulic performance of Al2O3-H2O nanofluid flow in heat exchanger tube, Materials Today: Proceedings, 50, 1129-1133, 2022, Elsevier.
• Yadav, Anil Singh; Agrawal, Abhay; Sharma, Abhishek; Sharma, Sachin; Maithani, Rajesh; Kumar, Anil; .Augmented artificially roughened solar air heaters, Materials Today: Proceedings, 2022, Elsevier.
• Kumar, Anil; Maithani, Rajesh; Yadav, Anil Singh; Sharma, Sachin; .Effect of 450 protruded and dimpled rib height on the performance of triangular duct solar heat collector, Materials Today: Proceedings, 2022, Elsevier.
• Singh, Yashwant; Kumar, Anil; Maithani, Rajesh; Verma, Narinder; .TiO2/H2O nanofluid flow and heat transfer analysis in V-pattern with combined protrusion obstacle square channel: experimental analysis and CFD validation, International Journal of Ambient Energy, 42, 6, 652-671, 2021, Taylor & Francis.
• Maithani, Rajesh; Kumar, Anil; Raghav, Geetanjali; Nagpal, Mohit; Kumar, Bipin; .Thermal analysis of jet impingement on hemispherical protrusion on heated surface, Experimental Heat Transfer, 34, 7, 662-677, 2021, Taylor & Francis.
• Maithani, Rajesh; Pandey, Jitendra K; Kumar, Anil; .Influence of mobility, population and effective reproductive number (R) on the transmission of Coronavirus, Journal of Physics: Conference Series, 1797, 1, 12059, 2021, IOP Publishing.
• Kumar, Sunil; Maithani, Rajesh; Kumar, Anil; .Optimal design parameter selection for performance of alumina nano-material particles and turbulence promotors in heat exchanger: An AHP-TOPSIS technique, Materials Today: Proceedings, 43, 3152-3155, 2021, Elsevier.
• Maithani, Rajesh; Sharma, Sachin; Kumar, Anil; .Thermo-hydraulic and exergy analysis of inclined impinging jets on absorber plate of solar air heater, Renewable Energy, 179, 84-95, 2021, Pergamon.
• Raghav, Geetanjali; Sharma, Pankaj Kumar; Kumar, Suresh; Maithani, Rajesh; .Method of research for solar cookers performance characteristics-analysis and comparison, Acta Innovations, 2021, .
• Kumar, Anil; Sharma, Sachin; Kumar, Sunil; Maithani, Rajesh; .Thermohydraulic analysis of twisted tape inserts with SiO_2/H_2 O nanofluid in heat exchanger, Australian Journal of Mechanical Engineering, 41640, 2021, Taylor & Francis.
• Raghav, Geetanjali; Sharma, Pankaj Kumar; Kumar, Suresh; Maithani, Rajesh; Iung, Alexis; Mercier, Quentin; .Analysis of solar cooker with thermal storage for remote hilly areas: Determination of heating and cooling characteristic time, Acta Innovations, 40, 43221, 2021, .
• Nagpal, Mohit; Maithani, Rajesh; Kumar, Suresh; .ENERGETIC & EXERGETIC ANALYSIS OF A PARABOLIC TROUGH: CONCENTRATED SOLAR POWER PLANT, Acta Innovations, 40, 19-30, 2021, .
• Kumar, Anil; Kumar, Nitin; Kumar, Sunil; Maithani, Rajesh; .Exergetic efficiency analysis of impingement jets integrated with internal conical ring roughened solar heat collector, Experimental Heat Transfer, 44197, 2021, Taylor & Francis.
• Altarazi, Faisal; Kumar, Sunil; Gupta, Gaurav; Gulzar, Muhammad; Gaba, Yaé Ulrich; Kumar, Anil; Maithani, Rajesh; .Analysis and Implementation of Thermal Heat Exchanger Tube Performance with Helically Pierced Twisted Tape Inserts Using ANFIS Model, Mathematical Problems in Engineering, 2021, Hindawi.
• Kumar, Sunil; Gautam, SK; Kumar, Ankush; Maithani, Rajesh; Kumar, Anil; .SUSTAINABILITY ASSESSMENT OF DIFFERENT NANOPARTICLE FOR HEAT EXCHANGER APPLICATIONS: AN INTUITIONISTIC FUZZY COMBINATIVE DISTANCE-BASED ASSESSMENT METHOD, ACTA Innovations, 40 , 44-63, 2021, .
• Maithani, Rajesh; Kumar, Anil; .Correlations development for Nusselt number and friction factor in a dimpled surface heat exchanger tube, Experimental heat transfer, 33', 2, 101-122, 2020, Taylor & Francis.
• Maithani, Rajesh; Kumar, Anil; Gholamali Zadeh, Peyman; Safaei, Mohammad Reza; Gholamalizadeh, Ehsan; .Empirical correlations development for heat transfer and friction factor of a solar rectangular air passage with spherical-shaped turbulence promoters, Journal of Thermal Analysis and Calorimetry, 139', 2, 1195-1212, 2020, Springer International Publishing.
• Maithani, Rajesh; Kumar, Anil; .Effect of helical perforated twisted tape parameters on thermal and hydrodynamic performance in heat exchanger circular tube, Heat and Mass Transfer, 56', 2, 507-519, 2020, Springer Berlin Heidelberg.
• Kumar, Nitin; Kumar, Anil; Maithani, Rajesh; .Development of new correlations for heat transfer and pressure loss due to internal conical ring obstacles in an impinging jet solar air heater passage, Thermal Science and Engineering Progress, 17, 100493, 2020, Elsevier.
• Kumar, Sunil; Thakur, Robin; Gandotra, Neeraj; Aggarwal, Sorabh; Singhy, Arvind; Maithani, Rajesh; Kumar, Kumar; .PREDICTION OF HEAT TRANSFER AND PRESSURE DROP IN HELICALLY PERFORATED TWISTED TAPE HEAT EXCHANGER TUBE USING FUZZY LOGIC, JP Journal of Heat and Mass Transfer, 19', 1, 175-184, 2020, Pushpa publishing house.
• Kumar, Anil; Sharmaa, Lohit; Kumar, Sunil; Thakur, Robin; Goel, Bhaskar; Singh Suri, Amar Raj; Thapa, Sashank; Kumar, Nitin; Maithani, Rajesh; .A review on exergy analysis of nanofluid flow through several conduits, Frontiers in Heat and Mass Transfer (FHMT), 14 , 2020, .
• Kumar, Anil; Thakur, Sunil; Shandilya, Mamta; Chauhan, Ankush; Maithani, Rajesh; .Heat transfer enhancement of ZnO-water/ethylene glycol based nanofluid flow through inclined rib square duct, Journal of enhanced heat transfer, 2020, Begell House.
• Kumar, Sunil; Shandilya, Mamta; Chauhan, Ankush; Maithani, Rajesh; Kumar, Anil; .Experimental analysis of zinc oxide/water/ethylene glycol-based nanofluid in a square duct roughened with inclined ribs, Journal of Enhanced Heat Transfer, 27', 8, , 2020, Begel House Inc..

Research & Publications:-

International Journals-

• Rajesh Maithani, Anil Kumar, Geetanjali Raghav, Mohit Nagpal, Thermal analysis of jet impingement on hemispherical protrusion on heated surface, Experimental Heat Transfer, 2020.https://doi.org/10.1080/08916152.2020.1808117.
• Sunil Kumar, Mamta Shandilya, Ankush Chauhan, Rajesh Maithani, Anil Kumar, Experimental analysis of zinc oxide/water/ethylene glycol-based nanofluid in a square duct roughened with inclined ribs, Journal of Enhanced Heat Transfer, 687-709, 2020. DOI: 10.1615/JEnhHeatTransf.2020034180.
• Kumar, N., Kumar, A., Maithani, R., Development of new correlations for heat transfer and pressure loss due to internal conical ring obstacles in an impinging jet solar air heater passage, (2020) Thermal Science and Engineering Progress, 17, PUBLISHER: Elsevier Ltd.
• Maithani, R., Kumar, A., Correlations development for Nusselt number and friction factor in a dimpled surface heat exchanger tube, (2020) Experimental Heat Transfer, 33 (2), pp. 101-122, PUBLISHER: Taylor and Francis Ltd.
• Maithani, R., Kumar, A., Effect of helical perforated twisted tape parameters on thermal and hydrodynamic performance in heat exchanger circular tube, (2020) Heat and Mass Transfer/Waerme- und Stoffuebertragung, 56 (2), pp. 507-519, PUBLISHER: Springer.
• Maithani, R., Kumar, A., Gholamali Zadeh, P., Safaei, M.R., Gholamalizadeh, E., Empirical correlations development for heat transfer and friction factor of a solar rectangular air passage with spherical-shaped turbulence promoters, (2020) Journal of Thermal Analysis and Calorimetry, 139 (2), pp. 1195-1212, PUBLISHER: Springer Netherlands.
• Maithani, R., Chamoli, S., Kumar, A., Gupta, A., Solar air heater duct roughened with wavy delta winglets: correlations development and parametric optimization, (2019) Heat and Mass Transfer/Waerme- und Stoffuebertragung, 55 (12), pp. 3473-3491, PUBLISHER: Springer Verlag.
• Kumar, N., Kumar, A., Maithani, R., Thakur, R., Kumar, R., Thakur, A., Effect of circular inside conical ring obstacles on heat transfer and friction characteristics of round jets impingement solar air rectangular passage, (2019) International Journal of Green Energy, 16 (14), pp. 1091-1104, PUBLISHER: Taylor and Francis Inc.
• Datt, R., Bhist, M.S., Darshan Kotiyal, A., Maithani, R., Kumar, A., Development of new correlations for heat transfer and friction loss of solid ring with combined square wing twisted tape inserts heat exchanger tube, (2019) Experimental Heat Transfer, 32 (2), pp. 179-200, PUBLISHER: Taylor and Francis Ltd.
• Singh, Y., Kumar, A., Maithani, R., Verma, N., TiO2/H2O nanofluid flow and heat transfer analysis in V-pattern with combined protrusion obstacle square channel: experimental analysis and CFD validation, (2019) International Journal of Ambient Energy, Article in Press, PUBLISHER: Taylor and Francis Ltd.
• Datt, R., Kumar, A., Bhist, M.S., Kothiyal, A.D., Maithani, R., Hydrodynamic and thermal performance of twisted tape insert provided in heat exchanger tubes: A review, (2019) Frontiers in Heat and Mass Transfer, 12, art. no. 26, PUBLISHER: Global Digital Central.
• Suri, A.R.S., Kumar, A., Maithani, R., Convective heat transfer enhancement techniques of heat exchanger tubes: a review, (2018) International Journal of Ambient Energy, 39 (7), pp. 649-670, PUBLISHER: Taylor and Francis Ltd.
• Nadda, R., Kumar, A., Maithani, R., Efficiency improvement of solar photovoltaic/solar air collectors by using impingement jets: A review, (2018) Renewable and Sustainable Energy Reviews, 93, pp. 331-353, PUBLISHER: Elsevier Ltd.
• Datt, R., Bhist, M.S., Kothiyal, A.D., Maithani, R., Kumar, A., Effect of square wing with combined solid ring twisted tape inserts on heat transfer and fluid flow of a circular tube heat exchanger, (2018) International Journal of Green Energy, 15 (12), pp. 663-680, PUBLISHER: Taylor and Francis Inc.
• Nadda, R., Kumar, R., Kumar, A., Maithani, R., Optimization of single arc protrusion ribs parameters in solar air heater with impinging air jets based upon PSI approach, (2018) Thermal Science and Engineering Progress, 7, pp. 146-154, PUBLISHER: Elsevier Ltd.
• Suri, A.R.S., Kumar, A., Maithani, R., Experimental investigation of heat transfer and fluid flow behaviour in multiple square perforated twisted tape with square wing inserts heat exchanger tube, (2018) Heat and Mass Transfer/Waerme- und Stoffuebertragung, 54 (6), pp. 1813-1826, PUBLISHER: Springer Verlag.
• Nadda, R., Kumar, A., Maithani, R., Kumar, R., Investigation of thermal and hydrodynamic performance of impingement jets solar air passage with protrusion with combination arc obstacle on the heated plate, (2018) Experimental Heat Transfer, 31 (3), pp. 232-250, PUBLISHER: Taylor and Francis Ltd.
• Suri, A.R.S., Kumar, A., Maithani, R., Experimental determination of enhancement of heat transfer in a multiple square perforated twisted tape inserts heat exchanger tube, (2018) Experimental Heat Transfer, 31 (2), pp. 85-105, PUBLISHER: Taylor and Francis Ltd.
• Rana, J., Silori, A., Maithani, R., Chamoli, S., Computational fluid dynamics analysis of a V-rib with gap roughened solar air heater, (2018) Thermal Science, 22 (2), pp. 963-972, PUBLISHER: Serbian Society of Heat Transfer Engineers.
• Kumar, R., Kumar, A., Chauhan, R., Maithani, R., Comparative study of effect of various blockage arrangements on thermal hydraulic performance in a roughened air passage, (2018) Renewable and Sustainable Energy Reviews, 81, pp. 447-463, PUBLISHER: Elsevier Ltd.
• Singh, Y., Maithani, R., Kumar, S., Gholamalizadeh, E., Kumar, A., Development of new correlations for nusselt number and friction factor of TiO2/water based nanofluid flow in V-pattern protrusion ribbed square channel, (2018) Frontiers in Heat and Mass Transfer, 11, art. no. 33, PUBLISHER: Global Digital Central.
• Kumar, A., Maithani, R., Suri, A.R.S., Numerical and experimental investigation of enhancement of heat transfer in dimpled rib heat exchanger tube, (2017) Heat and Mass Transfer/Waerme- und Stoffuebertragung, 53 (12), pp. 3501-3516, PUBLISHER: Springer Verlag.
• Kumar, A., Kumar, R., Maithani, R., Chauhan, R., Kumar, S., Nadda, R., An experimental study of heat transfer enhancement in an air channel with broken multi type V-baffles, (2017) Heat and Mass Transfer/Waerme- und Stoffuebertragung, 53 (12), pp. 3593-3612, PUBLISHER: Springer Verlag.
• Singh Suri, A.R., Kumar, A., Maithani, R., Effect of square wings in multiple square perforated twisted tapes on fluid flow and heat transfer of heat exchanger tube, (2017) Case Studies in Thermal Engineering, 10, pp. 28-43, PUBLISHER: Elsevier Ltd.
• Maithani, R., Silori, A., Rana, J., Chamoli, S., Numerical analysis of heat transfer and fluid flow of a wavy delta winglets in a rectangular duct, (2017) Thermal Science and Engineering Progress, 2, pp. 15-25, PUBLISHER: Elsevier Ltd.
• Maithani, R., Saini, J.S., Performance evaluation of solar air heater having V-ribs with symmetrical gaps in a rectangular duct of solar air heater, (2017) International Journal of Ambient Energy, 38 (4), pp. 400-410, PUBLISHER: Taylor and Francis Ltd.
• Maithani, R., Saini, J.S., Heat transfer and fluid flow behaviour of a rectangular duct roughened with V-ribs with symmetrical gaps, (2017) International Journal of Ambient Energy, 38 (4), pp. 347-355, PUBLISHER: Taylor and Francis Ltd.
• Nadda, R., Kumar, A., Maithani, R., Developing heat transfer and friction loss in an impingement jets solar air heater with multiple arc protrusion obstacles, (2017) Solar Energy, 158, pp. 117-131, PUBLISHER: Elsevier Ltd.
• Nadda, R., Maithani, R., Kumar, A., Effect of multiple arc protrusion ribs on heat transfer and fluid flow of a circular-jet impingement solar air passage, (2017) Chemical Engineering and Processing: Process Intensification, 120, pp. 114-133, PUBLISHER: Elsevier B.V.
• Suri, A.R.S., Kumar, A., Maithani, R., Heat transfer enhancement of heat exchanger tube with multiple square perforated twisted tape inserts: Experimental investigation and correlation development, (2017) Chemical Engineering and Processing - Process Intensification, 116, pp. 76-96, PUBLISHER: Elsevier B.V.
• Sawhney, J.S., Maithani, R., Chamoli, S., Experimental investigation of heat transfer and friction factor characteristics of solar air heater using wavy delta winglets, (2017) Applied Thermal Engineering, 117, pp. 740-751, PUBLISHER: Elsevier Ltd.
• Kumar, A., Kumar, R., Maithani, R., Chauhan, R., Sethi, M., Kumari, A., Kumar, S., Kumar, S., Correlation development for Nusselt number and friction factor of a multiple type V-pattern dimpled obstacles solar air passage, (2017) Renewable Energy, 109, pp. 461-479, PUBLISHER: Elsevier Ltd.
• Maithani, R., Saini, J.S., Heat transfer and friction factor correlations for a solar air heater duct roughened artificially with V-ribs with symmetrical gaps, (2016) Experimental Thermal and Fluid Science, 70, pp. 220-227, PUBLISHER: Elsevier Inc.

International Conferences-

• Rajesh Maithani Jitendra K Pandey and Anil Kumar, Influence of mobility, population and effective reproductive number (R) on the transmission of Coronavirus, International online conference on engineering response to COVID-19 (IOCER COVID-19).
• Md. Dilnawaz Azmi, R. Maithani, Parametric optimization of system parameters of a roughened solar air heater with v-shaped dimpled surface, Proceedings of the Third International Conference on Sustainable Energy and Environmental Challenges (3rd SEEC)18 –21 December, 2018, IIT Roorkee, India.
• A Maithani, A Srivastava, R Maithani,Thermal analysis of V shape rib roughness on a solar air heater duct, ICRISETM, Asian society for academic research, New Delhi, 4thJune, 2017.
• A Maithani, A Srivastava, R Maithani, Exergy based analysis of a solar air heater with arc shaped roughened absorber plate, ICMCIPE, Advanced research society for science and sociology, New Delhi, 30thJuly, 2017.
• A Silori,R Maithani, J Rana" Thermohydraulic performance of an artificially roughened solar air heater duct", International conference on emerging developments in engineering and technology, Shivalik College of Engineering, Dehradun (Uttarakhand) on November 11-12, 2016.
• Jitesh Rana, Anshuman Silori, Rajesh Maithani, Sunil Chamoli., "A CFD thermal performance analysis of solar air heater with turbulent promoters", International conference on innovative research in MECIT-2016, Krishi Sanskriti Publications, at JNU New Delhi on October 22, 2016.
• Rajesh Maithani., "Thermal performance prediction of artificially roughened duct using CFD analysis ", International conference on Advance trends in engineering, technology and research, Bal Krishna Institute of Technology, Kota (Rajasthan) on June30-July 1, 2016.
• Jitesh Rana, Anshuman Silori, Rajesh Maithani, Sunil Chamoli., "A CFD thermal performance analysis of solar air heater with turbulent promoters", International conference on innovative research in MECIT-2016, Krishi Sanskriti Publications, at JNU New Delhi on October 22, 2016.
• Alok Kumar, Manoj Kumar, Sunil Chamoli, Rajesh Maithani., "Experimental investigation on thermohydraulic performance of heat exchnager tube with perforated hollow circular disc inserts", Preceedings of the 23rdnational heat and mass transfer conference and 1stinternational ISHMT-ASTFE heat and mass transfer conference, 17-20 Dec., 2015, Thiruvananthapuram, India.

Patents:

• Rajesh Maithani and Anil Kumar, Integrated Photovoltaic and Thermal Energy System Application Number: 331216-001, Design Accepted and Published, Journal No 01/2021 and Journal Date 01/01/2021
• Anil Kumar, Rajesh Maithani, Solar Energy Storage System, Application Number: 327456-001, Design Accepted and Published, Journal No 43/2020 and Journal Date is 23/10/2020.
• Rajesh Maithani, Anil Kumar, Surajit Mondal, Integrated photovoltaic system for water heating, Application Number: 327677-001, Design Accepted and Published, Journal No 08/2021 and Journal Date 19/02/2021.