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Walter G. Chapman

Walter G. Chapman

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 64 7935 7192 2303 1907 285 19104

Walter G. Chapman publications per year

The chart shows the history of publications by Walter G. Chapman between 1958 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Walter G. Chapman published across 68 years, from 1958 to 2025, averaging 5 papers a year. Output peaked at 24 publications in 2017. 7 of the 340 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1958 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2017. 1958: 1 publication 1959: 1 publication 1960: 0 publications 1961: 2 publications 1962: 1 publication 1963: 1 publication 1964: 0 publications 1965: 0 publications 1966: 1 publication 1967: 1 publication 1968: 0 publications 1969: 1 publication 1970: 0 publications 1971: 3 publications 1972: 0 publications 1973: 3 publications 1974: 1 publication 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 3 publications 1979: 1 publication 1980: 1 publication 1981: 0 publications 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 3 publications 1986: 1 publication 1987: 3 publications 1988: 3 publications 1989: 1 publication 1990: 2 publications 1991: 0 publications 1992: 1 publication 1993: 4 publications 1994: 6 publications 1995: 5 publications 1996: 2 publications 1997: 2 publications 1998: 4 publications 1999: 4 publications 2000: 2 publications 2001: 6 publications 2002: 3 publications 2003: 9 publications 2004: 5 publications 2005: 11 publications 2006: 6 publications 2007: 11 publications 2008: 12 publications 2009: 14 publications 2010: 7 publications 2011: 17 publications 2012: 17 publications 2013: 18 publications 2014: 14 publications 2015: 11 publications 2016: 14 publications 2017: 24 publications 2018: 15 publications 2019: 11 publications 2020: 19 publications 2021: 8 publications 2022: 11 publications 2023: 5 publications 2024: 3 publications 2025: 4 publications
1958 2025

340 publications in total across all disciplines

View publications per year as a table
Walter G. Chapman: publications per year, 1958 to 2025
Year Publications
1958 1
1959 1
1960 0
1961 2
1962 1
1963 1
1964 0
1965 0
1966 1
1967 1
1968 0
1969 1
1970 0
1971 3
1972 0
1973 3
1974 1
1975 0
1976 0
1977 0
1978 3
1979 1
1980 1
1981 0
1982 1
1983 0
1984 0
1985 3
1986 1
1987 3
1988 3
1989 1
1990 2
1991 0
1992 1
1993 4
1994 6
1995 5
1996 2
1997 2
1998 4
1999 4
2000 2
2001 6
2002 3
2003 9
2004 5
2005 11
2006 6
2007 11
2008 12
2009 14
2010 7
2011 17
2012 17
2013 18
2014 14
2015 11
2016 14
2017 24
2018 15
2019 11
2020 19
2021 8
2022 11
2023 5
2024 3
2025 4
Total 340
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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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 281–300 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939 285
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 64–65 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731 64
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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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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