Sunao Hasegawa

11.7k total citations · 2 hit papers
341 papers, 6.4k citations indexed

About

Sunao Hasegawa is a scholar working on Astronomy and Astrophysics, Computational Mechanics and Materials Chemistry. According to data from OpenAlex, Sunao Hasegawa has authored 341 papers receiving a total of 6.4k indexed citations (citations by other indexed papers that have themselves been cited), including 157 papers in Astronomy and Astrophysics, 89 papers in Computational Mechanics and 65 papers in Materials Chemistry. Recurrent topics in Sunao Hasegawa's work include Planetary Science and Exploration (133 papers), Astro and Planetary Science (133 papers) and Combustion and flame dynamics (46 papers). Sunao Hasegawa is often cited by papers focused on Planetary Science and Exploration (133 papers), Astro and Planetary Science (133 papers) and Combustion and flame dynamics (46 papers). Sunao Hasegawa collaborates with scholars based in Japan, United States and Germany. Sunao Hasegawa's co-authors include Hisashi Nakamura, Takuya Tezuka, Kaoru Maruta, T. Fujii, Suguru Yoshida, Kazutaka Nishikawa, Kiyoshi YAMAGATA, Masateru Ishiguro, Thomas Müller and Hajime Yano and has published in prestigious journals such as Science, Physical Review Letters and Advanced Materials.

In The Last Decade

Sunao Hasegawa

323 papers receiving 6.2k citations

Hit Papers

Forced convective heat transfer to supercritical water fl... 1972 2026 1990 2008 1972 2017 100 200 300 400 500
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. Forced convective heat transfer to supercritical water flowing in tubes
    1972 524 citations Sunao Hasegawa et al. profile →
  2. Kinetic modeling of ammonia/air weak flames in a micro flow reactor with a controlled temperature profile
    2017 294 citations Hisashi Nakamura, Sunao Hasegawa et al. Combustion and Flame profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Sunao Hasegawa Japan 40 2.1k 2.0k 1.3k 1.2k 1.1k 341 6.4k
Yuji Nakamura Japan 35 919 0.4× 225 0.1× 450 0.4× 414 0.4× 939 0.8× 258 4.1k
Ronald F. Probstein United States 36 1.5k 0.7× 808 0.4× 207 0.2× 549 0.5× 537 0.5× 84 6.0k
D. D. Joseph United States 60 8.0k 3.9× 179 0.1× 1.9k 1.5× 1.4k 1.2× 524 0.5× 222 13.9k
M. Grae Worster United Kingdom 48 1.6k 0.8× 172 0.1× 118 0.1× 2.0k 1.7× 694 0.6× 128 6.4k
John Happel United States 26 3.3k 1.6× 162 0.1× 838 0.7× 1.5k 1.3× 290 0.3× 102 8.7k
Stefan Luding Netherlands 57 7.7k 3.7× 362 0.2× 323 0.3× 2.6k 2.2× 89 0.1× 426 10.7k
Daniel D. Joseph United States 51 7.5k 3.6× 150 0.1× 2.3k 1.8× 964 0.8× 398 0.4× 172 12.0k
Howard Brenner United States 44 5.3k 2.6× 123 0.1× 1.6k 1.2× 2.3k 2.0× 300 0.3× 177 13.4k
Charles S. Campbell United States 36 3.9k 1.9× 121 0.1× 455 0.4× 697 0.6× 135 0.1× 111 5.1k
Changhoon Lee South Korea 40 2.7k 1.3× 164 0.1× 220 0.2× 492 0.4× 445 0.4× 293 6.0k

Countries citing papers authored by Sunao Hasegawa

Since Specialization
Citations

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

Fields of papers citing papers by Sunao Hasegawa

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Sunao Hasegawa

This figure shows the co-authorship network connecting the top 25 collaborators of Sunao Hasegawa. A scholar is included among the top collaborators of Sunao Hasegawa 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 Sunao Hasegawa. Sunao Hasegawa 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.
Nakamura, A., et al.. (2025). Spatial and shape distributions of ejecta from hypervelocity impact between rock projectile and metal target. International Journal of Impact Engineering. 200. 105252–105252.
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Yasui, Minami, et al.. (2022). Cratering Experiments on Granular Targets With a Variety of Particle Sizes: Implications for Craters on Rubble‐Pile Asteroids. Journal of Geophysical Research Planets. 127(8). 7 indexed citations
5.
Yasui, Minami, et al.. (2019). Impact experiments on granular targets with size frequency distribution similar to asteroid 162173 Ryugu. EPSC. 2019. 1 indexed citations
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Nakamura, Hisashi, et al.. (2018). Evaluation of the reactivity of ultra-lean PRF/air mixtures by weak flames in a micro flow reactor with a controlled temperature profile. Combustion Science and Technology. 190(11). 1950–1970. 4 indexed citations
8.
Nakamura, Hisashi, Hiroki Takahashi, Takuya Tezuka, et al.. (2016). Effects of CO-to-H2 ratio and diluents on ignition properties of syngas examined by weak flames in a micro flow reactor with a controlled temperature profile. Combustion and Flame. 172. 94–104. 25 indexed citations
9.
Ishiguro, Masateru, et al.. (2014). Photometric Properties of (162173) 1999 JU3 in Preparation for JAXA Hayabusa 2 Sample Return Mission. Japan Geoscience Union. 1 indexed citations
10.
Yano, Hajime, et al.. (2014). Measurement of micro-debris flux via tanpopo capture panel onboard ISS Kibo exposed facility. 2. 1317–1321. 1 indexed citations
11.
Kuroda, D., Shingo Kameda, Sunao Hasegawa, et al.. (2013). Visible Spectroscopic Observations of Asteroid 162173 (1999 JU3) with the Gemini-S Telescope. LPI. 2591. 9 indexed citations
12.
Nakamura, A., et al.. (2011). Impact Experiments on Collisional Evolution of Iron Regolith. LPI. 1695. 1 indexed citations
13.
Chevrier, V. F., et al.. (2011). Experimental Investigation into the Effects of Meteoritic Impacts on the Near- and Mid-Infrared Spectra of Martian Phyllosilicates. Lunar and Planetary Science Conference. 1921. 1 indexed citations
14.
Yano, Hajime, M. Tanaka, Chisato Okamoto, et al.. (2011). Cosmic Dust Detection by the IKAROS-Arrayed Large-Area Dust Detectors in Interplanetary Space (ALADDIN) from the Earth to Venus. Lunar and Planetary Science Conference. 2647. 4 indexed citations
15.
Hasegawa, Sunao, et al.. (2006). Effect of physical properties of troglitazone crystal on the molecular interaction with PVP during heating. International Journal of Pharmaceutics. 336(1). 82–89. 8 indexed citations
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Hasegawa, Sunao, T. Hiroi, M. Ishiguro, et al.. (2004). Spectroscopic Observations of Asteroid 4 Vesta from 1.9 to 3.5 micron: Evidence of Hydrated and/or Hydroxylated Minerals. Lunar and Planetary Science Conference. 1458.
18.
Yano, Hajime, et al.. (2002). Asteroidal surface sampling by the MUSES-C spacecraft. 500. 103–106. 10 indexed citations
19.
Hasegawa, Sunao, et al.. (1992). Multi-project scheduling. Journal of information processing. 15(2). 267–279. 1 indexed citations
20.
Hasegawa, Sunao, et al.. (1985). Response of activated sludge process to stepwise shortening of biological solids retention time. Journal of Fermentation Technology. 63(4). 357–362. 2 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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