World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
33
Citations
5947
World Ranking
9354
National Ranking
184

Geetam Tiwari 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 Geetam Tiwari sits on this spectrum.

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 publications 804+

This scientist: 218 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Geetam Tiwari 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 Geetam Tiwari sits on this spectrum.

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: 33 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Overview

Geetam Tiwari is affiliated with the Indian Institute of Technology Delhi in India. Their research spans multiple disciplines, primarily focused within the fields of Engineering and Social Sciences.

The subfields of their work include:

  • Transportation
  • Safety, Risk, Reliability and Quality
  • Building and Construction
  • Public Health, Environmental and Occupational Health
  • Automotive Engineering

Tiwari's main research topics cover:

  • Urban Transport and Accessibility
  • Traffic and Road Safety
  • Transportation Planning and Optimization
  • Injury Epidemiology and Prevention
  • Evacuation and Crowd Dynamics
  • Urban and Freight Transport Logistics
  • Traffic Prediction and Management Techniques

The researcher has contributed papers to various publication venues, with frequent publications in the following journals:

  • International Journal of Injury Control and Safety Promotion
  • IATSS Research
  • Transportation Research Procedia
  • SSRN Electronic Journal
  • Abstracts

Notable recent papers by Geetam Tiwari include:

  • "Development of public transport systems in small cities: A roadmap for achieving sustainable development goal indicator 11.2," 2021, IATSS Research
  • "Challenges of localizing sustainable development goals in small cities: Research to action," 2021, IATSS Research

Other relevant recent publications they are associated with include:

  • "Cycling behaviour in 17 countries across 6 continents: levels of cycling, who cycles, for what purpose, and how far?" 2021, Transport Reviews
  • "PROTOCOL: Effectiveness of road safety interventions: An evidence and gap map," 2020, Campbell Systematic Reviews
  • "Spatially resolved hourly traffic emission over megacity Delhi using advanced traffic flow data," 2023, Earth System Science Data

Geetam Tiwari has authored a book titled Transport and Safety, published by Springer International Publishing in 2021.

Frequent collaborators in their work include:

  • Rahul Goel
  • K. Ramachandra Rao
  • Dinesh Mohan
  • Kavi Bhalla
  • Tarapada Mandal

Best Publications

  • Public health benefits of strategies to reduce greenhouse-gas emissions: urban land transport

    James Woodcock;Phil Edwards;Cathryn Tonne;Ben G Armstrong

  • Land use, transport, and population health: estimating the health benefits of compact cities.

    Mark Stevenson;Mark Stevenson;Jason Thompson;Jason Thompson;Thiago Herick de Sa;Reid Ewing

  • Survival analysis: Pedestrian risk exposure at signalized intersections

    Geetam Tiwari;Shrikant I. Bangdiwala;Arvind Saraswat;Sushant Gaurav

  • Parametric study of an active and passive solar distillation system: Energy and exergy analysis

    G.N. Tiwari;Vimal Dimri;Arvind Chel

  • Life cycle cost assessment of building integrated photovoltaic thermal (BIPVT) systems

    Basant Agrawal;G.N. Tiwari

  • Embodied energy analysis of photovoltaic (PV) system based on macro- and micro- level

    I. Nawaz;G.N. Tiwari

  • Cycling behaviour in 17 countries across 6 continents: levels of cycling, who cycles, for what purpose, and how far?

    Rahul Goel;Anna Goodman;Rachel Aldred;Ryota Nakamura

  • Design, fabrication and performance evaluation of a hybrid photovoltaic thermal (PVT) double slope active solar still

    Gajendra Singh;Shiv Kumar;G.N. Tiwari

  • Road traffic injury prevention training manual

    Dinesh Mohan;Geetam Tiwari;M. Khayesi;F. M. Nafukho

  • Performance study of the inverted absorber solar still with water depth and total dissolved solid

    Rahul Dev;Sabah A. Abdul-Wahab;G.N. Tiwari

  • Effect of condensing cover material on yield of an active solar still: an experimental validation

    Vimal Dimri;Bikash Sarkar;Usha Singh;G.N. Tiwari

  • Thermal modeling of a greenhouse with an integrated earth to air heat exchanger: an experimental validation

    M.K. Ghosal;G.N. Tiwari;N.S.L. Srivastava

  • Urban Transport Priorities: Meeting the Challenge of Socio-economic Diversity in Cities, a Case Study of Delhi, India

    Geetam Tiwari

  • Exergoeconomic analysis of photovoltaic-thermal (PVT) mixed mode greenhouse solar dryer

    Sumit Tiwari;G.N. Tiwari

  • A Gendered Perspective of the Shelter–Transport–Livelihood Link: The Case of Poor Women in Delhi

    Anvita Anand;Geetam Tiwari

  • Conflict analysis for prediction of fatal crash locations in mixed traffic streams

    Geetam Tiwari;Dinesh Mohan;Joseph Fazio

  • Impact of public transport and non-motorized transport infrastructure on travel mode shares, energy, emissions and safety: Case of Indian cities

    Geetam Tiwari;Deepty Jain;Kalaga Ramachandra Rao

  • Techno-economic evaluation of grid connected PV system for households with feed in tariff and time of day tariff regulation in New Delhi – A sustainable approach

    Vivek Tomar;G.N. Tiwari

  • Fundamental diagrams of pedestrian flow characteristics: A review

    Lakshmi Devi Vanumu;K. Ramachandra Rao;Geetam Tiwari

  • On-road PM2.5 pollution exposure in multiple transport microenvironments in Delhi

    Rahul Goel;Shahzad Gani;Sarath K. Guttikunda;Sarath K. Guttikunda;Daniel Wilson

  • Energy and exergy analysis of a mixed-mode greenhouse-type solar dryer, integrated with partially covered N-PVT air collector

    Sumit Tiwari;G.N. Tiwari

  • Accessibility and safety indicators for all road users: case study Delhi BRT

    Geetam Tiwari;Deepty Jain

  • PVT air collector integrated greenhouse dryers

    Sumit Tiwari;Sanjay Agrawal;G.N. Tiwari

  • Benchmarking vehicle and passenger travel characteristics in Delhi for on-road emissions analysis

    Rahul Goel;Sarath K. Guttikunda;Sarath K. Guttikunda;Dinesh Mohan;Geetam Tiwari

  • Access–egress and other travel characteristics of metro users in Delhi and its satellite cities

    Rahul Goel;Geetam Tiwari

  • Effect of packing factor on the performance of a building integrated semitransparent photovoltaic thermal (BISPVT) system with air duct

    Kanchan Vats;Vivek Tomar;G.N. Tiwari

  • Comparative thermal performance evaluation of an active solar distillation system

    G. N. Tiwari;Vimal Dimri;Usha Singh;Arvind Chel

  • Estimating marginal external costs of transport in Delhi

    Akshaya Kumar Sen;Geetam Tiwari;Vrajaindra Upadhyay

  • How the present would have looked like? Impact of non-motorized transport and public transport infrastructure on travel behavior, energy consumption and CO2 emissions – Delhi, Pune and Patna

    Deepty Jain;Geetam Tiwari

  • Pedestrians Perceptions for Utilization of Pedestrian Facilities – Delhi, India

    Shalini Rankavat;Geetam Tiwari

  • Sustainable transport and the modernisation of urban transport in Delhi and Stockholm

    Marie Thynell;Dinesh Mohan;Geetam Tiwari

  • Transport and land-use policies in Delhi

    Geetam Tiwari

  • Factors contributing to motorcycle fatal crashes on National Highways in India

    Hasan Mehdi Naqvi;Geetam Tiwari

  • Assessment of motor vehicle use characteristics in three Indian cities

    Rahul Goel;Dinesh Mohan;Sarath K. Guttikunda;Sarath K. Guttikunda;Geetam Tiwari

  • SUSTAINABLE TRANSPORT SYSTEMS: LINKAGES BETWEEN ENVIRONMENTAL ISSUES, PUBLIC TRANSPORT, NON-MOTORIZED TRANSPORT AND SAFETY

    Dinesh Mohan;Geetam Tiwari

  • Sustainable mobility indicators for Indian cities: Selection methodology and application

    Deepty Jain;Geetam Tiwari

Frequent Co-Authors

Dinesh Mohan
Dinesh Mohan Jawaharlal Nehru University
Sarath K. Guttikunda
Sarath K. Guttikunda Urban Emissions
M. S. Sodha
M. S. Sodha Indian Institute of Technology Delhi
Cathryn Tonne
Cathryn Tonne Pompeu Fabra University
Ian Roberts
Ian Roberts London School of Hygiene & Tropical Medicine
Phil Edwards
Phil Edwards London School of Hygiene & Tropical Medicine
Mark Stevenson
Mark Stevenson University of Melbourne
Alistair Woodward
Alistair Woodward University of Auckland
Sean Beevers
Sean Beevers Imperial College London
Mark A. Delucchi
Mark A. Delucchi University of California, Berkeley

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