K. Sumathy

12.2k total citations · 4 hit papers
75 papers, 9.9k citations indexed

About

K. Sumathy is a scholar working on Renewable Energy, Sustainability and the Environment, Mechanical Engineering and Electrical and Electronic Engineering. According to data from OpenAlex, K. Sumathy has authored 75 papers receiving a total of 9.9k indexed citations (citations by other indexed papers that have themselves been cited), including 48 papers in Renewable Energy, Sustainability and the Environment, 31 papers in Mechanical Engineering and 13 papers in Electrical and Electronic Engineering. Recurrent topics in K. Sumathy's work include Solar Thermal and Photovoltaic Systems (32 papers), Photovoltaic System Optimization Techniques (20 papers) and Adsorption and Cooling Systems (17 papers). K. Sumathy is often cited by papers focused on Solar Thermal and Photovoltaic Systems (32 papers), Photovoltaic System Optimization Techniques (20 papers) and Adsorption and Cooling Systems (17 papers). K. Sumathy collaborates with scholars based in Hong Kong, United States and India. K. Sumathy's co-authors include Meng Ni, Dennis Y.C. Leung, Michael K.H. Leung, Jiawei Gong, Jing Liang, Qiquan Qiao, Zhengping Zhou, R.Z. Wang, Yanjun Dai and Brian T. Austin and has published in prestigious journals such as Renewable and Sustainable Energy Reviews, Journal of Applied Physics and Applied Energy.

In The Last Decade

K. Sumathy

75 papers receiving 9.6k citations

Hit Papers

A review and recent devel... 2005 2026 2012 2019 2005 2006 2016 2012 1000 2.0k 3.0k
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.

  1. A review and recent developments in photocatalytic water-splitting using TiO2 for hydrogen production
    2005 3.5k citations Meng Ni, Michael K.H. Leung et al. Renewable and Sustainable Energy Reviews profile →
  2. An overview of hydrogen production from biomass
    2006 966 citations Meng Ni, Dennis Y.C. Leung et al. Fuel Processing Technology profile →
  3. Review on dye-sensitized solar cells (DSSCs): Advanced techniques and research trends
    2016 939 citations K. Sumathy et al. Renewable and Sustainable Energy Reviews profile →
  4. Review on dye-sensitized solar cells (DSSCs): Fundamental concepts and novel materials
    2012 767 citations K. Sumathy et al. Renewable and Sustainable Energy Reviews profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
K. Sumathy 6.5k 4.1k 2.2k 2.0k 1.1k 75 9.9k
D. Yogi Goswami 4.2k 0.6× 2.0k 0.5× 1.3k 0.6× 6.3k 3.2× 1.6k 1.4× 199 10.9k
A.M. Kannan 4.9k 0.8× 2.2k 0.5× 5.6k 2.6× 2.5k 1.3× 910 0.8× 172 9.6k
Sining Yun 5.0k 0.8× 5.2k 1.3× 4.2k 1.9× 418 0.2× 1.1k 1.0× 260 11.2k
Jin Xuan 5.1k 0.8× 3.0k 0.8× 5.8k 2.6× 1.0k 0.5× 1.7k 1.5× 242 10.0k
Mingyang Li 5.4k 0.8× 5.2k 1.3× 3.3k 1.5× 339 0.2× 799 0.7× 237 8.6k
Tingxian Li 2.9k 0.5× 2.7k 0.7× 1.6k 0.7× 5.2k 2.6× 1.0k 0.9× 174 9.0k
V. Antonucci 7.3k 1.1× 4.8k 1.2× 9.8k 4.5× 685 0.3× 1.7k 1.5× 276 13.4k
Fei Ma 2.4k 0.4× 4.9k 1.2× 4.7k 2.1× 948 0.5× 1.5k 1.4× 476 10.4k
Rashmi Walvekar 1.5k 0.2× 2.3k 0.6× 1.8k 0.8× 2.3k 1.2× 2.5k 2.2× 192 7.7k
Klaus Hellgardt 1.9k 0.3× 1.7k 0.4× 753 0.3× 1.4k 0.7× 1.7k 1.5× 187 5.9k

Countries citing papers authored by K. Sumathy

Since Specialization
Citations

This map shows the geographic impact of K. Sumathy'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 K. Sumathy with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites K. Sumathy more than expected).

Fields of papers citing papers by K. Sumathy

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by K. Sumathy. 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 K. Sumathy. The network helps show where K. Sumathy may publish in the future.

Co-authorship network of co-authors of K. Sumathy

This figure shows the co-authorship network connecting the top 25 collaborators of K. Sumathy. A scholar is included among the top collaborators of K. Sumathy 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 K. Sumathy. K. Sumathy is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Sumathy, K., et al.. (2018). Design approach of a density-driven solar water heater system. Journal of Thermal Analysis and Calorimetry. 136(1). 113–120. 5 indexed citations
2.
Sethi, V.P., Rupinder Pal Singh, & K. Sumathy. (2013). Development of Low Cost Tubular Type Indigenous Solar Cooker. Journal of Agricultural Engineering (India). 50(2). 58–63. 1 indexed citations
3.
Sethi, V.P., K. Sumathy, Chiwon Lee, & Dipayan Pal. (2013). Thermal modeling aspects of solar greenhouse microclimate control: A review on heating technologies. Solar Energy. 96. 56–82. 112 indexed citations
4.
Sumathy, K., et al.. (2013). Carbon Dioxide driven Solar-assisted Heat Pump Water Heating System: A Theoretical Analysis. 9 indexed citations
5.
Sumathy, K., et al.. (2012). Solar water heating systems and their market trends. Renewable and Sustainable Energy Reviews. 17. 1–25. 159 indexed citations
6.
Austin, Brian T. & K. Sumathy. (2011). Parametric study on the performance of a direct-expansion geothermal heat pump using carbon dioxide. Applied Thermal Engineering. 31(17-18). 3774–3782. 47 indexed citations
7.
Sumathy, K., et al.. (2010). Photovoltaic thermal module concepts and their performance analysis: A review. Renewable and Sustainable Energy Reviews. 14(7). 1845–1859. 228 indexed citations
8.
Ni, Meng, Dennis Y.C. Leung, Michael K.H. Leung, & K. Sumathy. (2006). An overview of hydrogen production from biomass. Fuel Processing Technology. 87(5). 461–472. 966 indexed citations breakdown →
9.
Ni, Meng, Michael K.H. Leung, & K. Sumathy. (2005). Technology development of titanium dioxide photocatalytic water-splitting for hydrogen production. Xiandai huagong. 25(4). 9–12. 1 indexed citations
10.
Sumathy, K.. (2004). Hydrogen——The Future Green Fuel for Transportation. 1 indexed citations
11.
Sumathy, K.. (2003). Study on a solar absorption air-conditioning system.. 1 indexed citations
12.
Kaushika, N.D. & K. Sumathy. (2003). Solar transparent insulation materials: a review. Renewable and Sustainable Energy Reviews. 7(4). 317–351. 91 indexed citations
13.
Sumathy, K., et al.. (2002). Solar absorption cooling with low grade heat source — a strategy of development in South China. Solar Energy. 72(2). 155–165. 82 indexed citations
14.
Sumathy, K., et al.. (2001). Experimental studies on a solar powered air conditioning system with partitioned hot water storage tank. Solar Energy. 71(5). 285–297. 92 indexed citations
15.
Iniyan, S., K. Sumathy, L. Suganthi, & Anand A. Samuel. (2000). Sensitivity analysis of optimal renewable energy mathematical model on demand variations. Energy Conversion and Management. 41(2). 199–211. 9 indexed citations
16.
Sumathy, K.. (1999). A study on the thermal performance of a flat-plate collector in Hong Kong. International Journal of Ambient Energy. 20(2). 59–66. 3 indexed citations
17.
Sumathy, K., et al.. (1996). Thermodynamic analysis of a solar thermal water pump. Solar Energy. 57(2). 155–161. 18 indexed citations
18.
Sumathy, K., et al.. (1995). The importance of the condenser in a solar water pump. Energy Conversion and Management. 36(12). 1167–1173. 8 indexed citations
19.
Sumathy, K., et al.. (1994). Effect of discharge head on the performance of a solar water pump. International Journal of Energy Research. 18(6). 623–629. 6 indexed citations
20.
Sumathy, K., et al.. (1994). Heat-transfer analysis of a flat-plate collector in a solar thermal pump. Energy. 19(9). 983–991. 18 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.

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