Journal profile · Engineering, Chemical
Proceedings of the Combustion Institute
ISSN 1540-7489 · eISSN 1873-2704 · Elsevier Ltd · UNITED STATES · Annual
Proceedings of the Combustion Institute: CAS Zone 2 · Engineering (2025 upgraded edition); impact factor 4.63; hybrid open access; APC about USD 3,570; review about 104 days (submission to acceptance, publisher); community-reported acceptance: fairly easy; 213 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Proceedings of the Combustion Institute is published by Elsevier Ltd and is in Zone 2 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Combustion and flame dynamics, Advanced Combustion Engine Technologies and Combustion and Detonation Processes, together about 53.7% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
A publication published by Elsevier on behalf of The Combustion InstituteThe Proceedings of the Combustion Institute contains forefront contributions in fundamentals and applications of combustion science. For more than 50 years, the Combustion Institute has served as the peak international society for dissemination of scientific and technical research in the combustion field. In addition to author submissions, the Proceedings of the Combustion Institute includes the Institute's prestigious invited strategic and topical reviews that represent indispensable resources for emergent research in the field. All papers are subjected to rigorous peer review.Research papers and invited topical reviews; Reaction Kinetics; Soot, PAH, and other large molecules; Diagnostics; Laminar Flames; Turbulent Flames; Heterogeneous Combustion; Spray and Droplet Combustion; Detonations, Explosions & Supersonic Combustion; Fire Research; Stationary Combustion Systems; IC Engine and Gas Turbine Combustion; New Technology ConceptsThe electronic version of Proceedings of the Combustion Institute contains supplemental material such as reaction mechanisms, illustrating movies, and other data.
From the journal's Aims & Scope
Research area (LetPub): Engineering, Chemical
Editorial board by country: 8 in mainland China (about 18%); most named United States 14, Mainland China 8, France 6, Hong Kong, China 2, United Kingdom 2 (45 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Combustion and flame dynamicsEngineering24%
- Advanced Combustion Engine TechnologiesChemical Engineering20.2%
- Combustion and Detonation ProcessesEngineering9.6%
- Fire dynamics and safety researchEngineering8.4%
- Atmospheric chemistry and aerosolsEarth and Planetary Sciences4.1%
- Catalytic Processes in Materials ScienceMaterials Science4%
- Thermochemical Biomass Conversion ProcessesEngineering2.9%
- Legal and Regulatory AnalysisSocial Sciences2.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 2 |
| Minor | Engineering, Chemical | Zone 2 |
| Minor | Engineering, Mechanical | Zone 2 |
| Minor | Thermodynamics | Zone 2 |
| Minor | Energy & Fuels | Zone 3 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 2 |
| Minor | Thermodynamics | Zone 2 |
| Minor | Energy & Fuels | Zone 3 |
| Minor | Engineering, Chemical | Zone 2 |
| Minor | Engineering, Mechanical | Zone 2 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 2 |
| Minor | Engineering, Chemical | Zone 2 |
| Minor | Engineering, Mechanical | Zone 2 |
| Minor | Thermodynamics | Zone 2 |
| Minor | Energy & Fuels | Zone 3 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 4.63LetPub ·
- Impact factor (publisher)
- 4.6Publisher website ·
- CiteScore 2026-06
- 6.9LetPub ·
- CiteScore (publisher)
- 6.9Publisher website ·
- SJR 2026-06
- 1.46LetPub ·
- SNIP 2026-06
- 1.52LetPub ·
- h-index
- 120LetPub ·
- h-index
- 175OpenAlex ·
- i10-index
- 4,870OpenAlex ·
- 2-year mean citedness
- 3.63OpenAlex ·
- Self-citation rate
- 6.5%LetPub ·
- Share of gold OA articles
- 30.9%LetPub ·
Volume
- Articles per year
- 199LetPub ·
Articles by year OpenAlex count · 7,344 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 541 | 340 | 43 |
| 2025 | 213 | 137 | 537 |
| 2024 | 603 | 347 | 4,342 |
| 2023 | 23 | 14 | 275 |
| 2022 | 524 | 289 | 9,845 |
| 2021 | 11 | 10 | 337 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Publisher-reported review time from the journal's website
104 dayssubmission to acceptance · community reports about 3 months
The publisher's own definition applies; dates from this journal's articles in the last 24 months are not available yet, so the publisher's figure is used.
Figures by source
- Average review time (community reports)
- about 3 monthsLetPub ·
- Average acceptance (community reports)
- Fairly easyLetPub ·
- Submission to acceptance
- 104 daysPublisher website ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 3,570 / EUR 3,340 / GBP 2,860 / JPY 442,790 | — | — | |
| Publisher website | USD 4,015 | — | — |
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
Policy excerpts from the journal's websiteOpen access
- Open access Open Access
Article Publishing Charge (APC): USD 4,015 (excluding taxes). The amount you pay may be reduced during submission if applicable.Review this journal’s open access policy.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Elsevier Ltd
- Country or region
- UNITED STATES
- Language
- English
- Frequency
- Annual
- ISSN
- 1540-7489
- Electronic ISSN
- 1873-2704
- Official links
- Journal homepage ↗LetPub
- Submission system ↗Publisher website
- Special issues ↗Publisher website
FAQ
Frequently asked questions about Proceedings of the Combustion Institute
What CAS zone is Proceedings of the Combustion Institute in?
In the 2025 upgraded edition of the CAS Journal Ranking, Proceedings of the Combustion Institute is in Zone 2 of Engineering, and in Zone 2 of the minor category Engineering, Chemical / Engineering, Mechanical / Thermodynamics / Energy & Fuels. In the 2026 Xinrui edition it is in Zone 2 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Proceedings of the Combustion Institute?
The latest impact factor listed by LetPub is 4.63; CiteScore 6.9, h-index 175.
How long does peer review take at Proceedings of the Combustion Institute?
The publisher reports about 104 days (submission to acceptance); authors report an average review time of about 3 months; the community-reported acceptance is “Fairly easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Where are the editorial board members of Proceedings of the Combustion Institute based?
Of the 45 board members whose country the journal's board page names, 8 (about 18%) are in mainland China; the countries named most often are United States (14), Mainland China (8) and France (6). Counted from the institutions listed on the board page; for reference only.
Which databases index Proceedings of the Combustion Institute?
According to LetPub and DOAJ records, Proceedings of the Combustion Institute is indexed in SCIE and Scopus.
Is Proceedings of the Combustion Institute open access, and what is the APC?
Proceedings of the Combustion Institute is a hybrid journal. For open-access publication: APC about USD 3,570.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .