Span, Roland
Ruhr-Universitat Bochum,
Germany
2025 Rank: 79805
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Chemical Engineering
SubField 2:
Energy
Rank in SubField 1: 645 out of 87981 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 79805 | 88079 |
| Total Cites | 1083 | 1173 |
| H-index | 10 | 11 |
| Hm-index | 5 | 5 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 430 | 438 |
| Number of Single+First+Last Authored Papers | 112 | 112 |
| Total Cites to Single+First+Last Authored Papers | 648 | 695 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 894 | 919 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.28 |
| Self-Citation Percentage |
7.67%
|
|
Span, Roland
Ruhr-Universitat Bochum,
Germany
2024 Rank: 77358
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Chemical Engineering
SubField 2:
Energy
Rank in SubField 1: 602 out of 79314 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 77358 | 77147 |
| Total Cites | 906 | 993 |
| H-index | 11 | 12 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 375 | 381 |
| Number of Single+First+Last Authored Papers | 105 | 105 |
| Total Cites to Single+First+Last Authored Papers | 581 | 624 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 691 | 704 |
| Ratio of Total Citations to Distinct Citing Papers | 1.31 | 1.41 |
| Self-Citation Percentage |
8.76%
|
|
Span, Roland
Ruhr-Universitat Bochum,
Germany
2023 Rank: 88406
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Chemical Engineering
SubField 2:
Energy
Rank in SubField 1: 676 out of 72674 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 88406 | 83540 |
| Total Cites | 820 | 892 |
| H-index | 9 | 11 |
| Hm-index | 6 | 6 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 364 | 374 |
| Number of Single+First+Last Authored Papers | 96 | 96 |
| Total Cites to Single+First+Last Authored Papers | 567 | 607 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 660 | 677 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.32 |
| Self-Citation Percentage |
8.07%
|
|
Span, Roland
Ruhr-Universitat Bochum,
Germany
2022 Rank: 84077
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Chemical Engineering
SubField 2:
Energy
Rank in SubField 1: 556 out of 67880 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 84077 | 86112 |
| Total Cites | 756 | 861 |
| H-index | 10 | 10 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 341 | 355 |
| Number of Single+First+Last Authored Papers | 93 | 93 |
| Total Cites to Single+First+Last Authored Papers | 517 | 583 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 625 | 648 |
| Ratio of Total Citations to Distinct Citing Papers | 1.21 | 1.33 |
| Self-Citation Percentage |
12.20%
|
|
Span, Roland
Ruhr-Universitat Bochum,
Germany
2021 Rank: 85969
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Chemical Engineering
SubField 2:
Energy
Rank in SubField 1: 584 out of 66189 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 85969 | 85685 |
| Total Cites | 1192 | 1340 |
| H-index | 12 | 13 |
| Hm-index | 6 | 7 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 13 | 13 |
| Total Cites to Single+First Authored Papers | 545 | 559 |
| Number of Single+First+Last Authored Papers | 84 | 84 |
| Total Cites to Single+First+Last Authored Papers | 847 | 927 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 953 | 991 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.35 |
| Self-Citation Percentage |
11.04%
|
|
Span, Roland
Ruhr-Universitat Bochum,
Germany
2020 Rank: 72571
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Engineering
SubField 1:
Chemical Engineering
SubField 2:
Energy
Rank in SubField 1: 497 out of 55697 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 72571 | 69566 |
| Total Cites | 946 | 1065 |
| H-index | 12 | 13 |
| Hm-index | 5 | 6 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 435 | 448 |
| Number of Single+First+Last Authored Papers | 80 | 80 |
| Total Cites to Single+First+Last Authored Papers | 676 | 738 |
| Composite Score | 2 | 2 |
| Number of Distinct Citing Papers | 751 | 776 |
| Ratio of Total Citations to Distinct Citing Papers | 1.26 | 1.37 |
| Self-Citation Percentage |
11.17%
|
|
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