World's Best Scientists 2026 revealed!
Walter G. Chapman

Walter G. Chapman

D-Index & Metrics

Chemistry

D-Index
64
Citations
19104
World Ranking
7935
National Ranking
2303

Walter G. Chapman publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Walter G. Chapman sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 285 publications — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Walter G. Chapman D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Walter G. Chapman sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 64 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Walter G. Chapman is affiliated with Rice University in the United States. Their research spans multiple disciplines, focusing primarily on engineering, chemistry, and physics and astronomy. The scientist's work extensively covers subfields such as biomedical engineering, materials chemistry, nuclear and high energy physics, organic chemistry, and fluid flow and transfer processes.

The primary topics addressed in Chapman's research include phase equilibria and thermodynamics, NMR spectroscopy and applications, thermodynamic properties of mixtures, advanced NMR techniques and applications, chemical thermodynamics and molecular structure, material dynamics and properties, and hydrocarbon exploration and reservoir analysis.

Chapman's recent publications highlight their engagement in studies involving molecular dynamics simulations and NMR relaxation mechanisms. Notable papers include:

  • Elucidating the 1H NMR Relaxation Mechanism in Polydisperse Polymers and Bitumen Using Measurements, MD Simulations, and Models (2020) published in The Journal of Physical Chemistry B
  • Critical Role of Confinement in the NMR Surface Relaxation and Diffusion of n-Heptane in a Polymer Matrix Revealed by MD Simulations (2020) published in The Journal of Physical Chemistry B
  • Insights into the mechanisms affecting water/oil interfacial tension as a function of salt types and concentrations (2020) published in Fluid Phase Equilibria
  • Current Practices and Continuing Needs in Thermophysical Properties for the Chemical Industry (2023) published in Industrial & Engineering Chemistry Research
  • Wertheim's Association Theory for Phase Equilibrium Modeling in Chemical Engineering Practice (2022) published in Industrial & Engineering Chemistry Research

Chapman frequently collaborates with several researchers, including:

  • D. Asthagiri
  • Philip M. Singer
  • Arjun Valiya Parambathu
  • George J. Hirasaki
  • Thiago J. Pinheiro dos Santos

The main venues for Chapman's publications are:

  • Industrial & Engineering Chemistry Research
  • arXiv (Cornell University)
  • The Journal of Physical Chemistry B
  • Fluid Phase Equilibria
  • The Journal of Chemical Physics

This scientist's body of work reflects a strong focus on the thermodynamic and molecular characterization of complex systems, frequently utilizing techniques such as nuclear magnetic resonance spectroscopy and molecular dynamics simulations. Their contributions cover theoretical and applied aspects relevant to chemical engineering and materials science.

Best Publications

  • New reference equation of state for associating liquids

    Walter G. Chapman;Keith E. Gubbins;George Jackson;Maciej Radosz

  • SAFT: Equation-of-State Solution Model for Associating Fluids

    W.G. Chapman;W.G. Chapman;K.E. Gubbins;G. Jackson;M. Radosz

  • Phase equilibria of associating fluids

    Walter G. Chapman;George Jackson;Keith E. Gubbins

  • Phase equilibria of associating fluids : spherical molecules with multiple bonding sites

    George Jackson;Walter G. Chapman;Keith E. Gubbins

  • Oxaliplatin-induced damage of cellular DNA.

    Jan M. Woynarowski;Sandrine Faivre;Sandrine Faivre;Maryanne C.S. Herzig;Brenda Arnett

  • Modeling of asphaltene phase behavior with the SAFT equation of state

    P. David Ting;George J. Hirasaki;Walter G. Chapman

  • Prediction of the thermodynamic properties of associating Lennard‐Jones fluids: Theory and simulation

    Walter G. Chapman

  • Application of Dipolar Chain Theory to the Phase Behavior of Polar Fluids and Mixtures

    Prasanna K. Jog;Sharon G. Sauer;and Jorg Blaesing;Walter G. Chapman

  • Application of Wertheim's thermodynamic perturbation theory to dipolar hard sphere chains

    Prasanna K. Jog;W. G. Chapman

  • PC-SAFT characterization of crude oils and modeling of asphaltene phase behavior

    Sai R. Panuganti;Francisco M. Vargas;Doris L. Gonzalez;Anjushri S. Kurup

  • Prediction of Asphaltene Instability under Gas Injection with the PC-SAFT Equation of State†

    Doris L. Gonzalez;P. David Ting;George J. Hirasaki;Walter G. Chapman

  • Associating fluids with four bonding sites against a hard wall: density functional theory

    Chad J. Segura;Walter G. Chapman;Keshawa P. Shukla

  • Modeling Asphaltene Phase Behavior in Crude Oil Systems Using the Perturbed Chain Form of the Statistical Associating Fluid Theory (PC-SAFT) Equation of State†

    Francisco M. Vargas;Doris L. Gonzalez;George J. Hirasaki;Walter G. Chapman

  • Microstructure of inhomogeneous polyatomic mixtures from a density functional formalism for atomic mixtures.

    Sandeep Tripathi;Walter G. Chapman

  • Modeling Study of CO2-Induced Asphaltene Precipitation†

    Doris L. Gonzalez;Francisco M. Vargas;George J. Hirasaki;Walter G. Chapman

  • Surface complexation modeling of calcite zeta potential measurements in brines with mixed potential determining ions (Ca2+, CO32-, Mg2+, SO42-) for characterizing carbonate wettability.

    Jin Song;Yongchao Zeng;Le Wang;Xindi Duan

  • Modeling of asphaltene precipitation due to changes in composition using the perturbed chain statistical associating fluid theory equation of state

    Doris L. Gonzalez;George J. Hirasaki;Jeff Creek;Walter G. Chapman

  • A new equation of state for hard chain molecules

    Dhananjay Ghonasgi;Walter G. Chapman

  • On the Development of an Asphaltene Deposition Simulator

    Francisco M. Vargas;Jeff L. Creek;Walter G. Chapman

  • Modified interfacial statistical associating fluid theory: a perturbation density functional theory for inhomogeneous complex fluids.

    Shekhar Jain;Aleksandra Dominik;Walter G. Chapman

  • Theory and simulation for associating fluids with four bonding sites

    D. Ghonasgi;Walter G. Chapman

Frequent Co-Authors

George J. Hirasaki
George J. Hirasaki Rice University
Gerald R. Dickens
Gerald R. Dickens Trinity College Dublin
Brandon Dugan
Brandon Dugan Colorado School of Mines
Keith E. Gubbins
Keith E. Gubbins North Carolina State University
Rafael Verduzco
Rafael Verduzco Rice University
George Jackson
George Jackson Imperial College London
Jill S. Buckley
Jill S. Buckley New Mexico Institute of Mining and Technology
Marcos L. Corazza
Marcos L. Corazza Federal University of Paraná
Hans Hasse
Hans Hasse Technical University of Kaiserslautern
Paulette Clancy
Paulette Clancy Johns Hopkins University

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