Afshin J. Ghajar

5.1k total citations · 1 hit paper
136 papers, 3.9k citations indexed

About

Afshin J. Ghajar is a scholar working on Mechanical Engineering, Biomedical Engineering and Computational Mechanics. According to data from OpenAlex, Afshin J. Ghajar has authored 136 papers receiving a total of 3.9k indexed citations (citations by other indexed papers that have themselves been cited), including 94 papers in Mechanical Engineering, 61 papers in Biomedical Engineering and 50 papers in Computational Mechanics. Recurrent topics in Afshin J. Ghajar's work include Heat Transfer and Boiling Studies (58 papers), Fluid Dynamics and Mixing (41 papers) and Heat Transfer Mechanisms (38 papers). Afshin J. Ghajar is often cited by papers focused on Heat Transfer and Boiling Studies (58 papers), Fluid Dynamics and Mixing (41 papers) and Heat Transfer Mechanisms (38 papers). Afshin J. Ghajar collaborates with scholars based in United States, Macao and China. Afshin J. Ghajar's co-authors include Yunus A. Çengel, Swanand M. Bhagwat, Lap-Mou Tam, Yousef H. Zurigat, Clement Tang, Lap Mou Tam, Jae‐Yong Kim, Peter M. Moretti, Brian R. Elbing and R. L. Dougherty and has published in prestigious journals such as Applied Energy, International Journal of Heat and Mass Transfer and Energy.

In The Last Decade

Afshin J. Ghajar

132 papers receiving 3.7k 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.

Heat and Mass Transfer: Fundamentals & Applications

2011 1.0k citations Afshin J. Ghajar et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Afshin J. Ghajar United States	30	2.6k	1.6k	1.2k	582	484	136	3.9k
Sébastien Poncet Canada	35	2.4k 0.9×	1.3k 0.8×	1.4k 1.2×	331 0.6×	570 1.2×	210	4.0k
Man-Hoe Kim South Korea	41	4.2k 1.6×	1.6k 1.0×	1.3k 1.1×	678 1.2×	658 1.4×	140	5.5k
Volker Gnielinski Germany	19	4.0k 1.6×	1.5k 0.9×	1.5k 1.3×	964 1.7×	578 1.2×	30	5.3k
S. I. Abdel‐Khalik United States	31	2.5k 1.0×	1.4k 0.9×	1.6k 1.3×	513 0.9×	456 0.9×	165	4.1k
Holger Martin Germany	25	2.4k 0.9×	1.1k 0.7×	2.0k 1.7×	289 0.5×	392 0.8×	70	4.0k
Hassan Peerhossaini France	36	1.8k 0.7×	1.5k 0.9×	1.8k 1.6×	207 0.4×	450 0.9×	157	3.9k
Majid Saffar‐Avval Iran	34	2.3k 0.9×	1.9k 1.2×	1.2k 1.0×	509 0.9×	141 0.3×	109	3.5k
Antonio Campo United States	32	2.7k 1.0×	2.1k 1.3×	1.5k 1.3×	338 0.6×	242 0.5×	278	4.0k
F. A. Kulacki United States	34	1.7k 0.7×	2.1k 1.3×	2.3k 1.9×	305 0.5×	307 0.6×	166	3.7k
Man Yeong Ha South Korea	40	2.9k 1.1×	2.7k 1.7×	3.3k 2.8×	424 0.7×	631 1.3×	283	5.9k

Countries citing papers authored by Afshin J. Ghajar

Since Specialization

Citations

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

Fields of papers citing papers by Afshin J. Ghajar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Afshin J. Ghajar. 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 Afshin J. Ghajar. The network helps show where Afshin J. Ghajar may publish in the future.

Co-authorship network of co-authors of Afshin J. Ghajar

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

All Works

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20 of 20 papers shown

Xu, Jinglei, Bofeng Bai, Junfei Zhou, et al.. (2024). Selected Papers from the 4th International Symposium on Thermal-Fluid Dynamics (ISTFD 2023). Heat Transfer Engineering. 46(13-14). 1087–1089. 1 indexed citations

Cheng, Lixin, Guodong Xia, Ke Wang, & Afshin J. Ghajar. (2024). Advances in Thermal-Fluid Science and Technology. Heat Transfer Engineering. 46(16-17). 1435–1436.

Ghajar, Afshin J.. (2022). Single- and Two-Phase Flow Pressure Drop and Heat Transfer in Tubes. 3 indexed citations

Ghajar, Afshin J., et al.. (2020). Effect of Vertical Vibration on the Mixing Time of a Passive Scalar in a Sparged Bubble Column Reactor. Fluids. 5(1). 6–6. 4 indexed citations

Bhagwat, Swanand M. & Afshin J. Ghajar. (2016). Effect of pipe surface roughness on frictional pressure drop in gas-liquid two phase flows. UpSpace Institutional Repository (University of Pretoria). 1 indexed citations

Tam, Lap Mou, et al.. (2014). The Effect of Inner Surface Roughness and Heating on Friction Factor in Horizontal Mini-tubes. Proceedings of the 15th International Heat Transfer Conference. 7 indexed citations

Tam, Lap-Mou, et al.. (2012). New optimization method, the algorithms of changes, for heat exchanger design. Chinese Journal of Mechanical Engineering. 25(1). 55–62. 4 indexed citations

Bhagwat, Swanand M., et al.. (2012). Experimental Investigation and Empirical Analysis of Non-Boiling Gas-Liquid Two Phase Heat Transfer in Vertical Downward Pipe Orientation. AYBU AVESIS. 349–359. 3 indexed citations

Tam, Lap Mou, et al.. (2012). EXPERIMENTAL INVESTIGATION OF HEAT TRANSFER, FRICTION FACTOR, AND OPTIMAL FIN GEOMETRIES FOR THE INTERNALLY MICROFIN TUBES IN THE TRANSITION AND TURBULENT REGIONS. Enhanced heat transfer/Journal of enhanced heat transfer. 19(5). 457–476. 18 indexed citations

10.

Cremaschi, Lorenzo & Afshin J. Ghajar. (2012). Moisture Accumulation and Its Impact on the Thermal Performance of Pipe Insulation for Chilled Water Pipes in High Performance Buildings. 3 indexed citations

11.

Tam, Lap Mou, et al.. (2011). Simultaneous Heat Transfer and Pressure Drop Measurements for a Horizontal Micro-Tube. ASME/JSME 2011 8th Thermal Engineering Joint Conference. 5 indexed citations

12.

Tam, Lap Mou, et al.. (2011). Experimental Analysis of the Single-Phase Heat Transfer and Friction Factor Inside the Horizontal Internally Micro-Fin Tube. ASME/JSME 2011 8th Thermal Engineering Joint Conference. 5 indexed citations

13.

Tam, Lap Mou, et al.. (2011). The Effect of Inner Surface Roughness and Heating on Friction Factor in Horizontal Micro-Tubes. ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D. 2971–2978. 9 indexed citations

14.

Ghajar, Afshin J., et al.. (2010). Notice of Retraction: The effect of inner surface roughness on friction factor in horizontal microtubes. V1–59. 4 indexed citations

15.

Ghajar, Afshin J. & Clement Tang. (2010). Importance of Non-Boiling Two-Phase Flow Heat Transfer in Pipes for Industrial Applications. Heat Transfer Engineering. 31(9). 711–732. 29 indexed citations

16.

Tam, Lap Mou & Afshin J. Ghajar. (2006). Transitional Heat Transfer in Plain Horizontal Tubes. Heat Transfer Engineering. 27(5). 23–38. 72 indexed citations

17.

Ghajar, Afshin J., et al.. (1993). Parametric Effects on the Substrate Temperature Profile in Oxy-Acetylene Flames. Heat Transfer Engineering. 14(3). 48–59. 4 indexed citations

18.

Ghajar, Afshin J., et al.. (1991). Microcomputer-assisted heat transfer measurement/analysis in a circular tube. International journal of engineering education. 7(2). 125–134. 14 indexed citations

19.

Ghajar, Afshin J.. (1990). Forced and mixed convective heat transfer correlations in the laminar-transition-turbulent regions for a circular tube with a square-edged entrance. 3 indexed citations

20.

Ghajar, Afshin J., et al.. (1986). A numerical and experimental study of stratified thermal storage. ASHRAE winter conference papers. 92. 293–309. 27 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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