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Engineering and Technology
Pakistan
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Engineering and Technology 160 6 6 1 1 1763 136617

Tasawar Hayat publications per year

The chart shows the history of publications by Tasawar Hayat between 1998 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tasawar Hayat published across 28 years, from 1998 to 2025, averaging 64.3 papers a year. Output peaked at 321 publications in 2017. 20 of the 1,800 publications appeared in the last two years.

No. of publications
100 200 300
Bar chart. Horizontal axis: year, 1998 to 2025. Vertical axis: number of publications, 0 to 321. Peak 321 publications in 2017. 1998: 1 publication 1999: 1 publication 2000: 1 publication 2001: 1 publication 2002: 2 publications 2003: 3 publications 2004: 14 publications 2005: 8 publications 2006: 16 publications 2007: 34 publications 2008: 57 publications 2009: 27 publications 2010: 32 publications 2011: 47 publications 2012: 58 publications 2013: 42 publications 2014: 91 publications 2015: 123 publications 2016: 201 publications 2017: 321 publications 2018: 256 publications 2019: 208 publications 2020: 107 publications 2021: 80 publications 2022: 19 publications 2023: 30 publications 2024: 15 publications 2025: 5 publications
1998 2025

1,800 publications in total across all disciplines

View publications per year as a table
Tasawar Hayat: publications per year, 1998 to 2025
Year Publications
1998 1
1999 1
2000 1
2001 1
2002 2
2003 3
2004 14
2005 8
2006 16
2007 34
2008 57
2009 27
2010 32
2011 47
2012 58
2013 42
2014 91
2015 123
2016 201
2017 321
2018 256
2019 208
2020 107
2021 80
2022 19
2023 30
2024 15
2025 5
Total 1,800
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Tasawar Hayat publications per year - data summary

  • Tasawar Hayat, a Engineering and Technology scholar from Quaid-i-Azam University, has 1,800 publications recorded across 28 years, from 1998 to 2025.
  • The oldest publication on record dates to 1998 and the most recent to 2025.
  • The most productive year is 2017, with 321 publications.
  • The least productive years with any output are 1998, 1999, 2000 and 2001, with 1 publication each.
  • The rate of publication averages 64.3 papers per year over the whole span, or 64.3 per year counting only the 28 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 149 publications, 8% of the career total.
  • Split into equal eras - 1998-2007: 81 publications (8.1 per year); 2008-2017: 999 publications (99.9 per year); 2018-2025: 720 publications (90.0 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Tasawar Hayat publication distribution in Engineering and Technology in 2026

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 Tasawar Hayat sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: publications, 38–47 to 804+. Vertical axis: number of scientists, 0 to 457. Most scientists, 457, have 148–157 publications. The last bar groups every scientist with 804 publications or more. The highlighted bar, 804+ publications, is where this scientist sits. 38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38–47 publications 804+

This scientist: 1,763 publications — 100th percentile

100% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

View publications distribution as a table
Number of Engineering and Technology scientists by publication count, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
Publications Scientists This scientist
38–47 20
48–57 35
58–67 96
68–77 135
78–87 190
88–97 259
98–107 283
108–117 369
118–127 341
128–137 386
138–147 372
148–157 457
158–167 415
168–177 407
178–187 421
188–197 378
198–207 403
208–217 317
218–227 346
228–237 321
238–247 260
248–257 280
258–267 240
268–277 214
278–287 242
288–297 203
298–307 166
308–317 154
318–327 175
328–337 159
338–347 99
348–357 131
358–367 106
368–377 118
378–387 97
388–397 108
398–407 82
408–417 71
418–427 64
428–437 55
438–447 54
448–457 60
458–467 47
468–477 40
478–487 30
488–497 29
498–507 38
508–517 40
518–527 32
528–537 23
538–547 28
548–557 23
558–567 19
568–577 16
578–587 17
588–597 18
598–607 22
608–617 15
618–627 9
628–637 11
638–647 21
648–657 12
658–667 9
668–677 11
678–687 9
688–697 6
698–707 14
708–717 7
718–727 8
728–737 10
738–747 9
748–757 5
758–767 5
768–777 11
778–787 7
788–797 2
798–803 4
804+ 100 1,763
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Tasawar Hayat publication distribution in Engineering and Technology in 2026 - data summary

  • The chart plots the publication count of all 9,796 Engineering and Technology scientists ranked by Research.com in 2026, grouped into 78 ranges running from 38–47 to 804+ publications.
  • Tasawar Hayat, a Engineering and Technology scholar from Quaid-i-Azam University, records 1,763 publications - the 100th percentile of the discipline.
  • 100% of ranked Engineering and Technology scientists score the same or lower than Tasawar Hayat, and about 0% score higher.
  • The median of the discipline falls in the 198–207 publications range, and Tasawar Hayat ranks above the median.
  • The most crowded range is 148–157 publications, holding 457 scientists (5% of the field).
  • 61% of the field sits in the lowest quarter of the value range (up to 228–237 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 804 publications or more, 100 scientists in all (1% of the field).

Tasawar Hayat D-index placement in Engineering and Technology in 2026

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 Tasawar Hayat sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 78 bars. Horizontal axis: D-Index, 30 to 107+. Vertical axis: number of scientists, 0 to 426. Most scientists, 426, have 42 D-Index. The last bar groups every scientist with 107 D-Index or more. The highlighted bar, 107+ D-Index, is where this scientist sits. 30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 160 D-Index — 100th percentile

100% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

View D-Index distribution as a table
Number of Engineering and Technology scientists by D-index, Research.com 2026 ranking edition. Based on 9,796 ranked scientists.
D-Index Scientists This scientist
30 59
31 114
32 129
33 189
34 200
35 262
36 311
37 312
38 350
39 385
40 348
41 362
42 426
43 380
44 310
45 341
46 301
47 306
48 271
49 246
50 210
51 253
52 213
53 221
54 195
55 186
56 170
57 167
58 166
59 144
60 152
61 141
62 138
63 131
64 118
65 114
66 119
67 95
68 87
69 77
70 89
71 69
72 54
73 46
74 55
75 54
76 49
77 53
78 46
79 28
80 39
81 36
82 24
83 26
84 36
85 18
86 25
87 19
88 26
89 27
90 23
91 15
92 12
93 9
94 15
95 10
96 13
97 13
98 9
99 7
100 7
101 8
102 7
103 7
104 9
105 6
106 9
107+ 99 160
Download as CSV

Tasawar Hayat D-index placement in Engineering and Technology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,796 Engineering and Technology scientists ranked by Research.com in 2026, grouped into 78 ranges running from 30 to 107+ D-Index.
  • Tasawar Hayat, a Engineering and Technology scholar from Quaid-i-Azam University, records 160 D-Index - the 100th percentile of the discipline.
  • 100% of ranked Engineering and Technology scientists score the same or lower than Tasawar Hayat, and about 0% score higher.
  • The median of the discipline falls in the 47 D-Index range, and Tasawar Hayat ranks above the median.
  • The most crowded range is 42 D-Index, holding 426 scientists (4% of the field).
  • 57% of the field sits in the lowest quarter of the value range (up to 49 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 107 D-Index or more, 99 scientists in all (1% of the field).

Research.com Recognitions

  • 2026 - Research.com Engineering and Technology in Pakistan Leader Award
  • 2025 - Research.com Engineering and Technology in Pakistan Leader Award
  • 2022 - Research.com Engineering and Technology in Pakistan Leader Award
  • 2010 - Fellow, The World Academy of Sciences
  • 2006 - Fellow of Pakistan Academy of Sciences

Overview

Tasawar Hayat is affiliated with Quaid-i-Azam University in Pakistan and has a substantial body of research focused on engineering, with particular attention to the study and modeling of fluid dynamics and heat transfer phenomena.

Their research fields include:

  • Engineering
  • Biomedical Engineering
  • Mechanical Engineering
  • Computational Mechanics
  • Modeling and Simulation
  • Control and Systems Engineering

Tasawar Hayat's main research topics cover several specialized areas such as:

  • Nanofluid Flow and Heat Transfer
  • Heat Transfer Mechanisms
  • Fluid Dynamics and Turbulent Flows
  • Heat Transfer and Optimization
  • Mathematical and Theoretical Epidemiology and Ecology Models
  • Evolution and Genetic Dynamics
  • Fractional Differential Equations Solutions

They have contributed to multiple research papers, some of which include:

  • "Efficient elimination of organic and inorganic pollutants by biochar and biochar-based materials" (2020) published in Biochar
  • "Efficient elimination of environmental pollutants through sorption-reduction and photocatalytic degradation using nanomaterials" (2020) published in Frontiers of Chemical Science and Engineering
  • "Efficient Two-Dimensional Tin Halide Perovskite Light-Emitting Diodes via a Spacer Cation Substitution Strategy" (2020) published in The Journal of Physical Chemistry Letters
  • "Hierarchical recursive signal modeling for multifrequency signals based on discrete measured data" (2021) published in International Journal of Adaptive Control and Signal Processing
  • "Influence of Arrhenius activation energy in MHD flow of third grade nanofluid over a nonlinear stretching surface with convective heat and mass conditions" (2020) published in Physica A Statistical Mechanics and its Applications

Their frequent co-authors include:

  • Ahmed Alsaedi
  • A. Alsaedi
  • Sohail A. Khan
  • Shaher Momani
  • Bashir Ahmad

Tasawar Hayat regularly publishes in several scholarly venues such as:

  • International Communications in Heat and Mass Transfer
  • Alexandria Engineering Journal
  • Journal of Thermal Analysis and Calorimetry
  • Case Studies in Thermal Engineering
  • Chaos Solitons & Fractals

The scientist has been recognized by academic communities including the following honors:

  • Fellow, The World Academy of Sciences (2010)
  • Fellow of Pakistan Academy of Sciences (2006)

Best Publications

  • Metal–organic framework-based materials: superior adsorbents for the capture of toxic and radioactive metal ions

    Jie Li;Jie Li;Xiangxue Wang;Guixia Zhao;Changlun Chen

  • Environmental Remediation and Application of Nanoscale Zero-Valent Iron and Its Composites for the Removal of Heavy Metal Ions: A Review

    Yidong Zou;Xiangxue Wang;Xiangxue Wang;Ayub Khan;Pengyi Wang

  • Recent advances in modeling and simulation of nanofluid flows-Part I: Fundamentals and theory

    Omid Mahian;Omid Mahian;Omid Mahian;Lioua Kolsi;Mohammad Amani;Patrice Estellé

  • Impact of Cattaneo–Christov heat flux model in flow of variable thermal conductivity fluid over a variable thicked surface

    T. Hayat;T. Hayat;M. Ijaz Khan;M. Farooq;A. Alsaedi

  • A comparative study of Casson fluid with homogeneous-heterogeneous reactions.

    Muhammad Ijaz Khan;Muhammad Waqas;Tasawar Hayat;Ahmed Alsaedi

  • Boron nitride-based materials for the removal of pollutants from aqueous solutions: a review.

    Shujun Yu;Xiangxue Wang;Hongwei Pang;Rui Zhang

  • Recent advances in layered double hydroxide-based nanomaterials for the removal of radionuclides from aqueous solution.

    Pengcheng Gu;Sai Zhang;Xing Li;Xiangxue Wang

  • Influence of thermal radiation on the boundary layer flow due to an exponentially stretching sheet

    M. Sajid;T. Hayat

  • Magnetohydrodynamic (MHD) mixed convection flow of micropolar liquid due to nonlinear stretched sheet with convective condition

    Muhammad Waqas;Muhammad Farooq;Muhammad Ijaz Khan;Ahmed Alsaedi

  • Recent advances in modeling and simulation of nanofluid flows—Part II: Applications

    Omid Mahian;Omid Mahian;Omid Mahian;Lioua Kolsi;Mohammad Amani;Patrice Estellé

  • MHD free convection of Al2O3–water nanofluid considering thermal radiation: A numerical study

    M. Sheikholeslami;T. Hayat;T. Hayat;A. Alsaedi

  • Efficient elimination of organic and inorganic pollutants by biochar and biochar-based materials

    Baowei Hu;Yuejie Ai;Jie Jin;Tasawar Hayat

  • Unsteady boundary layer flow of a Casson fluid due to an impulsively started moving flat plate

    M. Mustafa;T. Hayat;T. Hayat;I. Pop;A. Aziz

  • Stagnation-point flow of a nanofluid towards a stretching sheet

    M. Mustafa;T. Hayat;T. Hayat;I. Pop;S. Asghar

  • Numerical solutions of fuzzy differential equations using reproducing kernel Hilbert space method

    Omar Abu Arqub;Mohammed Al-Smadi;Shaher Momani;Tasawar Hayat

  • Application of graphitic carbon nitride for the removal of Pb(II) and aniline from aqueous solutions

    Rui Hu;Rui Hu;Xiangke Wang;Xiangke Wang;Songyuan Dai;Dadong Shao

  • Entropy generation in flow with silver and copper nanoparticles

    Tasawar Hayat;Tasawar Hayat;Muhammad Ijaz Khan;Sumaira Qayyum;Ahmed Alsaedi

  • Soret and Dufour effects on magnetohydrodynamic (MHD) flow of Casson fluid

    T. Hayat;T. Hayat;S. A. Shehzad;A. Alsaedi

  • Stagnation point flow with Cattaneo-Christov heat flux and homogeneous-heterogeneous reactions

    T. Hayat;T. Hayat;M. Ijaz Khan;M. Farooq;Tabassam Yasmeen;Tabassam Yasmeen

  • MHD stagnation point flow of viscoelastic nanofluid with non-linear radiation effects

    Muhammad Farooq;M. Ijaz Khan;M. Waqas;T. Hayat;T. Hayat

Frequent Co-Authors

A. Alsaedi
A. Alsaedi King Abdulaziz University
Saleem Asghar
Saleem Asghar COMSATS University Islamabad
Daqing Jiang
Daqing Jiang China University of Petroleum, Beijing
Bashir Ahmad
Bashir Ahmad King Abdulaziz University
Sabir Ali Shehzad
Sabir Ali Shehzad COMSATS University Islamabad
Changlun Chen
Changlun Chen Chinese Academy of Sciences
Taseer Muhammad
Taseer Muhammad King Khalid University
Fuad E. Alsaadi
Fuad E. Alsaadi King Abdulaziz University
Meraj Mustafa
Meraj Mustafa National University of Sciences and Technology
Songyuan Dai
Songyuan Dai North China Electric Power University

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