The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Upendra Rajak sits on this spectrum.
This scientist: 85 publications — 4th percentile
4% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 804 publications or more.
The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Upendra Rajak sits on this spectrum.
This scientist: 37 D-Index — 16th percentile
16% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 107 D-Index or more.
Upendra Rajak is affiliated with RGM College Of Engineering and Technology in India and has contributed extensively to research in engineering, with a particular emphasis on chemical engineering. Their work spans key subfields including biomedical engineering, fluid flow and transfer processes, mechanical engineering, industrial and manufacturing engineering, and materials chemistry.
Their scholarly output is concentrated on several main topics, notably biodiesel production and applications, advanced combustion engine technologies, catalytic processes in materials science, vehicle emissions and performance, scheduling and optimization algorithms, advanced manufacturing and logistics optimization, and algal biology and biofuel production.
Rajak has authored numerous papers published in prominent venues. Frequent publication venues include Fuel, Materials Today Proceedings, AIP Conference Proceedings, Energy, and Environment Development and Sustainability. Some of their recent papers are:
Frequent coauthors of Upendra Rajak include Tikendra Nath Verma, Prem Kumar Chaurasiya, Abhishek Dasore, Prerana Nashine, and Asif Afzal.
Rajak's contributions also extend to book publications, including a work published by Springer Nature titled Technology Innovation in Mechanical Engineering in 2022.
The researcher's work on biodiesel and engine technologies reflects an integration of chemical engineering principles and advanced mechanical systems, supporting developments in alternative fuels and emission reduction strategies.
Upendra Rajak;Tikendra Nath Verma
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Upendra Rajak;Prerana Nashine;Tikendra Nath Verma
Upendra Rajak;Prerana Nashine;Tikendra Nath Verma
Upendra Rajak;Prerana Nashine;Thokchom Subhaschandra Singh;Tikendra Nath Verma
Upendra Rajak;Prerana Nashine;Tikendra Nath Verma;Arivalagan Pugazhendhi
Upendra Rajak;Tikendra Nath Verma
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Upendra Rajak;Prerana Nashine;Tikendra Nath Verma;Arivalagan Pugazhendhi
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Tikendra Nath Verma;Pankaj Shrivastava;Upendra Rajak;Gaurav Dwivedi
Ümit Ağbulut;Suat Sarıdemir;Upendra Rajak;Fikret Polat
Asif Afzal;Abdul Aabid;Ambareen Khan;Sher Afghan Khan
Thokchom Subhaschandra Singh;Upendra Rajak;Olusegun David Samuel;Prem Kumar Chaurasiya
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Narendra Krishania;Upendra Rajak;Tikendra Nath Verma;Anil Kumar Birru
Narendra Krishania;Upendra Rajak;Prem Kumar Chaurasiya;Thokchom Subhaschandra Singh
Ümit Ağbulut;Erdem Elibol;Tuna Demirci;Suat Sarıdemir
Thokchom Subhaschandra Singh;Upendra Rajak;Abhishek Dasore;M. Muthukumar
Unknown
Upendra Rajak;Prerana Nashine;Tikendra Nath Verma
Sakendra Kumar;Satya Prakesh Tewari;Upendra Rajak;Abhishek Dasore
Upendra Rajak;Tikendra Nath Verma
Upendra Rajak;Ümit Ağbulut;Ibham Veza;Abhishek Dasore
Upendra Rajak;Prerana Nashine;Tikendra Nath Verma;Arivalagan Pugazhendhi
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