R. Velraj

15.0k total citations · 3 hit papers
242 papers, 12.3k citations indexed

About

R. Velraj is a scholar working on Mechanical Engineering, Renewable Energy, Sustainability and the Environment and Biomedical Engineering. According to data from OpenAlex, R. Velraj has authored 242 papers receiving a total of 12.3k indexed citations (citations by other indexed papers that have themselves been cited), including 175 papers in Mechanical Engineering, 114 papers in Renewable Energy, Sustainability and the Environment and 59 papers in Biomedical Engineering. Recurrent topics in R. Velraj's work include Solar Thermal and Photovoltaic Systems (101 papers), Phase Change Materials Research (97 papers) and Adsorption and Cooling Systems (64 papers). R. Velraj is often cited by papers focused on Solar Thermal and Photovoltaic Systems (101 papers), Phase Change Materials Research (97 papers) and Adsorption and Cooling Systems (64 papers). R. Velraj collaborates with scholars based in India, South Korea and United States. R. Velraj's co-authors include R.V. Seeniraj, V. Kumaresan, A. Pasupathy, G. Kumaresan, V. Antony Aroul Raj, M. Cheralathan, T. Shaafi, P. Ganesh Kumar, Ravishankar Sathyamurthy and T. Arunkumar and has published in prestigious journals such as SHILAP Revista de lepidopterología, Renewable and Sustainable Energy Reviews and Journal of Cleaner Production.

In The Last Decade

R. Velraj

239 papers receiving 11.8k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Influence of alumina nanoparticles, ethanol and isopropanol blend as additive with diesel–soybean biodiesel blend fuel: Combustion, engine performance and emissions

2015 281 citations R. Velraj et al. profile →
Review of leaf drying: Mechanism and influencing parameters, drying methods, nutrient preservation, and mathematical models

2018 240 citations G. Kumaresan, R. Velraj et al. Renewable and Sustainable Energy Reviews profile →
A state-of-the art review on advancing battery thermal management systems for fast-charging

2023 200 citations R. Velraj et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
R. Velraj India	60	8.1k	5.9k	2.8k	1.4k	927	242	12.3k
Hamdy Hassan Egypt	61	4.4k 0.5×	4.7k 0.8×	1.6k 0.6×	638 0.5×	1.1k 1.2×	256	9.3k
K.J. Chua Singapore	58	5.3k 0.7×	2.3k 0.4×	2.5k 0.9×	1.8k 1.3×	1.1k 1.1×	253	11.3k
Shinichi Ookawara Japan	55	2.9k 0.4×	3.9k 0.7×	2.1k 0.7×	724 0.5×	1.7k 1.8×	274	8.5k
Anthony Paul Roskilly United Kingdom	57	7.1k 0.9×	1.7k 0.3×	2.3k 0.8×	972 0.7×	1.5k 1.6×	350	12.1k
Mohammed Farid New Zealand	67	11.3k 1.4×	7.5k 1.3×	2.3k 0.8×	2.0k 1.5×	2.3k 2.5×	295	19.3k
Alibakhsh Kasaeian Iran	71	7.5k 0.9×	7.2k 1.2×	4.9k 1.8×	1.3k 0.9×	2.2k 2.3×	259	14.4k
Hitesh Panchal India	66	3.2k 0.4×	7.2k 1.2×	2.5k 0.9×	320 0.2×	1.2k 1.3×	329	12.0k
Mazlan Abdul Wahid Malaysia	36	2.6k 0.3×	1.8k 0.3×	2.0k 0.7×	710 0.5×	1.2k 1.3×	228	7.4k
S.A. Tassou United Kingdom	54	6.5k 0.8×	2.2k 0.4×	1.8k 0.7×	1.9k 1.4×	801 0.9×	259	10.3k
Marjan Goodarzi Vietnam	66	7.3k 0.9×	2.2k 0.4×	7.7k 2.8×	389 0.3×	864 0.9×	153	11.1k

Countries citing papers authored by R. Velraj

Since Specialization

Citations

This map shows the geographic impact of R. Velraj's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by R. Velraj with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites R. Velraj more than expected).

Fields of papers citing papers by R. Velraj

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. Velraj. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by R. Velraj. The network helps show where R. Velraj may publish in the future.

Co-authorship network of co-authors of R. Velraj

This figure shows the co-authorship network connecting the top 25 collaborators of R. Velraj. A scholar is included among the top collaborators of R. Velraj based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with R. Velraj. R. Velraj is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Kumaresan, G., et al.. (2025). Performance enhancement of flat plate cooking unit using novel hook turbulators for indirect solar cooking applications: Numerical and experimental assessment with enviroeconomic analyses. Solar Energy. 287. 113247–113247. 4 indexed citations

Kumar, J., et al.. (2025). Effective heat transfer enhancement for high-efficient electronic cooling: a review. Journal of Thermal Analysis and Calorimetry. 150(21). 16991–17022. 1 indexed citations

Karthikeyan, S., R. Velraj, & Ramalingam Senthil. (2024). Overview of numerical, experimental and parametric studies on the spherical container-based packed bed latent heat storage. Journal of Energy Storage. 102. 114089–114089. 5 indexed citations

Sivalingam, Vinothkumar, et al.. (2023). Spray cooling for hydrogen vehicle, electronic devices, solar and building (low temperature) applications: A state-of-art review. Renewable and Sustainable Energy Reviews. 189. 113931–113931. 40 indexed citations

Raj, Kaiwalya, et al.. (2023). Influence of encapsulate material thickness and its thermal conductivity on solidification time of phase change material in spherical capsule for cool thermal storage - A novel correlation. International Communications in Heat and Mass Transfer. 145. 106803–106803. 7 indexed citations

Ranjan, Prabhat, et al.. (2022). Implementation Challenges: Universal R-Dump Converter for Switched Reluctance Motor. International Transactions on Electrical Energy Systems. 2022. 1–9. 1 indexed citations

Velraj, R., et al.. (2022). Experimental investigations on a sensible heat thermal energy storage system towards the design of cascaded latent heat storage system. International Journal of Green Energy. 20(1). 63–76. 3 indexed citations

Venkataramani, Gayathri, et al.. (2019). Thermodynamic analysis on compressed air energy storage augmenting power / polygeneration for roundtrip efficiency enhancement. Energy. 180. 107–120. 23 indexed citations

Venkataramani, Gayathri, et al.. (2018). Experimental investigation on small capacity compressed air energy storage towards efficient utilization of renewable sources. Journal of Energy Storage. 20. 364–370. 27 indexed citations

10.

Panchabikesan, Karthik, et al.. (2017). Effect of Fin Orientations in a Spherically Encapsulated Phase Change Materials for Effective Heat Transfer Enhancement. SHILAP Revista de lepidopterología. 14 indexed citations

11.

Kumaresan, G., et al.. (2017). Investigation on Phase Change Behavior of Paraffin Phase Change Material in a Spherical Capsule for Solar Thermal Storage Units. Heat Transfer Engineering. 39(9). 775–783. 30 indexed citations

12.

Sharmeela, C., et al.. (2015). An Efficient Bridgeless (Bl) Isolated Interleaved Zeta Converter for Led Lamp Driver Application. Research Journal of Applied Sciences Engineering and Technology. 11(10). 1103–1113. 1 indexed citations

13.

Gopinath, A., et al.. (2013). A review on combustion, performance, and emission characteristics of fuels derived from oil seed crops (biodiesels). Australian Journal of Crop Science. 7(9). 1350–1354. 8 indexed citations

14.

Velraj, R., et al.. (2008). Effect of Various Parameters on the Solids Holdup in a Liquid-Solid Circulating Fluidized Bed. International Journal of Chemical Reactor Engineering. 6(1). 7 indexed citations

15.

Natarajan, Palani, et al.. (2007). A Model to Predict Radial Solids Holdup and Liquid Velocity Distributions in Liquid-Solid Circulating Fluidized Bed. Chemical Product and Process Modeling. 2(3). 4 indexed citations

16.

Pasupathy, A. & R. Velraj. (2006). Phase Change Material Based ThermalStorage for Energy Conservation inBuilding Architecture. International Energy Journal. 7(2). 6 indexed citations

17.

Velraj, R., et al.. (2006). Holdup and solids circulation rate in liquid-solids circulating fluidised bed. Indian Journal of Chemical Technology. 13(3). 247–254. 6 indexed citations

18.

Velraj, R., M. Cheralathan, & S. Renganarayanan. (2006). Energy Management through Encapsulated PCM Based Storage System for Large Building Air Conditioning Application. International Energy Journal. 7(4). 9 indexed citations

19.

Nallusamy, N., S. Sampath, & R. Velraj. (2006). Study on performance of a packed bed latent heat thermal energy storage unit integrated with solar water heating system. Journal of Zhejiang University. Science A. 7(8). 1422–1430. 51 indexed citations

20.

Pandiyarajan, V., et al.. (2005). Experimental Analysis of a PCM Based I.C. Engine Exhaust Waste Heat Recovery System. International Energy Journal. 5. 22 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact