Journal profile · Energy & Fuels
International Journal of Exergy
ISSN 1742-8297 · eISSN 1742-8300 · Inderscience Enterprises Ltd. · ENGLAND · Quarterly
International Journal of Exergy: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 0.91; subscription journal; review 6–12 weeks (community reports); community-reported acceptance: easy; 118 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
International Journal of Exergy is published by Inderscience Enterprises Ltd. and is in Zone 4 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Thermodynamic and Exergetic Analyses of Power and Cooling Systems, Advanced Thermodynamics and Statistical Mechanics and Refrigeration and Air Conditioning Technologies, together about 38.9% of its articles. Its main subfields are Mechanical Engineering. (generated from OpenAlex topic counts and CAS ranking data)
IJEX is dedicated to providing an interdisciplinary platform for information and ideas in the field of exergy and thermodynamic optimisation. It publishes a wide range of original, high-quality research papers, and ancillary features, spanning activities from fundamental research to industrial applications. IJEX covers aspects of exergy analysis of engineering and non-engineering systems and processes in a large variety of disciplines, ranging from mechanical engineering to physics and chemical engineering to industrial ecology. Topics covered include: -Thermodynamic systems -Energy-related applications -Process optimisation -Energy systems, policies, planning -Exergy/environment modelling -Exergetic life cycle assessment -Industrial ecology -Sectoral exergy utilisation -Waste exergy emissions -Second-law efficiency -Thermo- and exergo-economics -Exergy in sustainable development -Criticisms of and problems with use of exergy -Entropy generation minimisation -Constructal theory and design
Source: LetPub
Research area (LetPub): Energy & Fuels
Main research topics OpenAlex counts of recent articles; shares are approximate
- Thermodynamic and Exergetic Analyses of Power and Cooling SystemsEngineering20.9%
- Advanced Thermodynamics and Statistical MechanicsPhysics and Astronomy9.9%
- Refrigeration and Air Conditioning TechnologiesEngineering8.1%
- Heat Transfer and OptimizationEngineering7.1%
- Solar Thermal and Photovoltaic SystemsEnergy7%
- Process Optimization and IntegrationEngineering4.9%
- Integrated Energy Systems OptimizationEngineering4.4%
- Building Energy and Comfort OptimizationEngineering3.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Energy & Fuels | Zone 4 |
| Minor | Thermodynamics | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Thermodynamics | Zone 4 |
| Minor | Energy & Fuels | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Energy & Fuels | Zone 4 |
| Minor | Thermodynamics | Zone 4 |
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
- 0.91LetPub ·
- CiteScore 2026-06
- 2.1LetPub ·
- SJR 2026-06
- 0.27LetPub ·
- SNIP 2026-06
- 0.31LetPub ·
- h-index
- 28LetPub ·
- h-index
- 41OpenAlex ·
- i10-index
- 386OpenAlex ·
- 2-year mean citedness
- 0.42OpenAlex ·
- Self-citation rate
- 11.1%LetPub ·
- Share of gold OA articles
- 2.39%LetPub ·
Volume
- Articles per year
- 61LetPub ·
Articles by year OpenAlex count · 1,913 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 94 | 0 | 2 |
| 2025 | 118 | 1 | 35 |
| 2024 | 136 | 5 | 110 |
| 2023 | 158 | 18 | 253 |
| 2022 | 138 | 4 | 297 |
| 2021 | 144 | 4 | 350 |
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
- Average review time (community reports)
- 6–12 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
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
Subscription journalLetPub
A subscription journal: articles are read by subscription or purchase, and authors usually pay no publication charge.
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Inderscience Enterprises Ltd.
- Country or region
- ENGLAND
- Language
- English
- Frequency
- Quarterly
- ISSN
- 1742-8297
- Electronic ISSN
- 1742-8300
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗LetPub
FAQ
Frequently asked questions about International Journal of Exergy
What CAS zone is International Journal of Exergy in?
In the 2025 upgraded edition of the CAS Journal Ranking, International Journal of Exergy is in Zone 4 of Engineering, and in Zone 4 of the minor category Energy & Fuels / Thermodynamics. In the 2026 Xinrui edition it is in Zone 4 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of International Journal of Exergy?
The latest impact factor listed by LetPub is 0.91; CiteScore 2.1, h-index 41.
How long does peer review take at International Journal of Exergy?
Authors report an average review time of 6–12 weeks; the community-reported acceptance is “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.
Which databases index International Journal of Exergy?
According to LetPub and DOAJ records, International Journal of Exergy is indexed in SCIE and Scopus.
Is International Journal of Exergy open access, and what is the APC?
International Journal of Exergy is a subscription journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, 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: .