Journal profile · Multiple

International Journal of Turbomachinery Propulsion and Power

ISSN 2504-186X · Multidisciplinary Digital Publishing Institute (MDPI) · Switzerland

International Journal of Turbomachinery Propulsion and Power: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 2.1 (journal website); JCR Q2 (journal website); fully open access; APC charged, amount not published; review about 6 weeks (community reports); 56 articles in 2025; indexed in ESCI and Scopus.

Impact factor2.1From the journal's website, 2025 value
CAS zoneZone 4 · Engineering2025 upgraded edition, major category · 2026 Xinrui edition Zone 4 · Engineering
Review timeabout 6 weeksCommunity average
APCCharged, amount not publishedFully open access
Acceptance—No reports yet
Articles per year562025 · OpenAlex count

Scope

Aims, scope and focus

International Journal of Turbomachinery Propulsion and Power is published by Multidisciplinary Digital Publishing Institute (MDPI) 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 Turbomachinery Performance and Optimization, Combustion and flame dynamics and Fluid Dynamics and Turbulent Flows, together about 45.5% of its articles. Its main subfields are Aerospace Engineering, Computational Mechanics and Mechanical Engineering. (generated from OpenAlex topic counts and CAS ranking data)

IJTPP has been conceived as an interdisciplinary dissemination tool, although the core of the journal remains the design, the analysis, the modeling and the testing of turbomachinery and turbomachinery based propulsion and power system. Contributions in the important fields of hydro, marine and wind energy producing devices, as well as unconventional fluid/flow applications in turbomachinery, are also welcome. IJTPP invites submissions on a wide range of disciplines, including to: Turbomachinery Aerospace propulsion Marine propulsion Turbochargers Power generation Thermodynamics Fluid mechanics Heat Transfer Vibrations Aero-acoustics Applied combustion (aeronautic, aerospace, stationary power systems) Wind energy Marine energy

From the journal's Aims & Scope

Research area (LetPub): Multiple

Editor-in-chief Dipartimento di Ingegneria IndustrialePublisher website

Editorial board by country: none in mainland China; most named Germany 7, France 7, Italy 4, United Kingdom 2, Belgium 2 (32 members with a country) Editorial board ↗Publisher website ·

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Turbomachinery Performance and OptimizationEngineering24.2%
  2. Combustion and flame dynamicsEngineering11.1%
  3. Fluid Dynamics and Turbulent FlowsEngineering10.2%
  4. Heat Transfer MechanismsEngineering7.7%
  5. Computational Fluid Dynamics and AerodynamicsEngineering7.1%
  6. Cavitation Phenomena in PumpsEngineering4.9%
  7. Aerodynamics and Acoustics in Jet FlowsEngineering4.2%
  8. Refrigeration and Air Conditioning TechnologiesEngineering3.3%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEngineering, AerospaceZone 3
MinorEngineering, MechanicalZone 4

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEngineering, AerospaceZone 3
MinorEngineering, MechanicalZone 4

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Not covered

Not covered by this edition.

JCR / CiteScore quartiles on the journal's website

Publisher-reported: JCR figures are Clarivate's and CiteScore figures Scopus's to confirm; both are a different system from the CAS zones.Publisher website

Database indexing

ESCIScopusDOAJLetPub

International journal early-warning lists: not listed in any editionLetPub

Indexing the journal's website claims

EI CompendexWeb of ScienceINSPECPublisher website

As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.

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 (publisher) 2025
2.1Publisher website ·
5-year impact factor (publisher) 2025
2.1Publisher website ·
CiteScore 2026-06
3.7LetPub ·
SJR 2026-06
0.57LetPub ·
SNIP 2026-06
1.3LetPub ·
h-index
22OpenAlex ·
i10-index
91OpenAlex ·
2-year mean citedness
1.88OpenAlex ·
Self-citation rate
9.5%LetPub ·
Share of gold OA articles
100%LetPub ·

Volume

Articles per year
55LetPub ·

Articles by year OpenAlex count · 390 in total · the current year is incomplete

YearArticlesOpen accessCitations
202634348
2025565677
20243838155
20235555314
20223737314
20214646374

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)
about 6 weeksLetPub ·
Submission to first decision
39.5 daysPublisher website ·
Acceptance to publication
28.9 daysPublisher website ·
Submission to publication (journal-reported)
about 6 weeksDOAJ ·
Peer review
Single anonymous peer reviewDOAJ

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

Fully open accessDOAJ

Every article is open access; authors usually pay an article processing charge (APC).

SourceAPCFee waiverLicenseObserved
DOAJCHF 1,000YesCC BY
OpenAlexCHF 1,000——
LetPubCHF 1,000Yes—
Publisher websiteYes, amount not published——

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)

What to prepare9 items from the author guidelines
Abstract
≤ 200 words
Keywords
3–10
Manuscript length
≤ 2,000 words
Reference style
Author–date
Templates
LaTeX and Word
First submission
Free format: the journal's layout is not required
Suggested reviewers
Required, 3
Graphical abstract
Optional
Cover letter
Required
Publisher website · model-extracted, each line checked against the text
Article types accepted19, with length limits
  1. articleArticle: Original research manuscripts. The journal considers all original research manuscripts provided that the work reports scientifically sound experiments …Length not stated
  2. book reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  3. brief communicationAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…main text ≤ 2,000 words
  4. brief reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  5. case reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  6. commentaryAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  7. conference reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  8. editorialAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  9. hypothesisAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  10. letterAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  11. opinionAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  12. perspectiveAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  13. protocolAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  14. registered reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  15. reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  16. systematic reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  17. technical noteAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  18. tutorialAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  19. viewpointAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
Publisher website
Policy excerpts from the journal's websiteAuthorship, Conflicts of interest, Data availability, Publication ethics, License & copyright, Open access, Peer review, Preprints
Authorship Authorship

MDPI follows the International Committee of Medical Journal Editors (ICMJE) guidelines which state that, in order to qualify for authorship of a manuscript, the following criteria should be observed: Make substantial contributions to the conception or design of the work, or the acquisition, analysis, or interpretation of data for the work; Draft the work or review it critically for important intel…

Source ↗Publisher website ·
Conflicts of interest Conflicts of Interest

According to The International Committee of Medical Journal Editors, “Authors should avoid entering into agreements with study sponsors, both for-profit and non-profit, that interfere with authors’ access to all of the study’s data or that interfere with their ability to analyze and interpret the data and to prepare and publish manuscripts independently when and where they choose.” All authors mus…

Source ↗Publisher website ·
Data availability Data availability statements

Data availability statements are required for all articles published with MDPI. During the peer review and editorial decision process, authors can be asked to share existing datasets or raw data that have been analyzed in the manuscript, and whether they will be made available to other researchers following publication. Authors will also be asked for the details of any existing datasets that have …

Source ↗Publisher website ·
Publication ethics Publication Ethics

Research Ethics Research Involving Human Subjects Institutional Review Board Statement When reporting on research that involves human subjects, human material, human tissues, or human data, authors must declare that the investigations were carried out following the rules of the Declaration of Helsinki of 1975, which was revised in 2013. According to point 23 of this declaration, approval from the …

Source ↗Publisher website ·
License & copyright Copyright / Open Access

Articles published in IJTPP will be Open-Access articles distributed under the terms and conditions of the Creative Commons Attribution License (CC BY-NC-ND). The copyright is retained by the author(s). MDPI will insert the following note at the end of the published text: © 2026 by the authors. Published by MDPI on behalf of the EUROTURBO. Licensee MDPI, Basel, Switzerland. This article is an open…

Source ↗Publisher website ·
Open access Open access publication fees

If you transfer your manuscript to another open access (OA) journal, you will be charged an Article Processing Charge (APC) if your article is accepted for publication. The APC for each journal can be found on the individual journal’s website. For more information about APCs, please see here.

Source ↗Publisher website ·
Peer review Editorial Process and Peer Review

Pre-check Immediately after submission, the journal’s Managing Editor will perform the technical pre-check to assess: Overall suitability of the manuscript to the journal/section/Special Issue; Manuscript adherence to high-quality research and ethical standards; Standards of rigor to qualify for further review. The academic editor (i.e., the Editor-in-Chief in the case of regular submissions, the …

Source ↗Publisher website ·
Preprints Preprints and Conference Papers

IJTPP accepts submissions that have previously been made available as preprints provided that they have not undergone peer review. A preprint is a draft version of a paper made available online before submission to a journal. MDPI operates Preprints, a preprint server to which submitted papers can be uploaded directly after completing journal submission. Note that Preprints operates independently …

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
Multidisciplinary Digital Publishing Institute (MDPI)
Country or region
Switzerland
Language
English
ISSN
2504-186X
Latest issue on the website
Volume 11 (2026)
Official links

FAQ

Frequently asked questions about International Journal of Turbomachinery Propulsion and Power

What CAS zone is International Journal of Turbomachinery Propulsion and Power in?

In the 2025 upgraded edition of the CAS Journal Ranking, International Journal of Turbomachinery Propulsion and Power is in Zone 4 of Engineering, and in Zone 3 of the minor category Engineering, Aerospace / Engineering, Mechanical. 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 Turbomachinery Propulsion and Power?

The journal's website gives an impact factor of 2.1 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 3.7, h-index 22.

How long does peer review take at International Journal of Turbomachinery Propulsion and Power?

Authors report an average review time of about 6 weeks. 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.

What JCR quartile is International Journal of Turbomachinery Propulsion and Power in?

The journal's website gives JCR Q2; by category, Engineering, Aerospace Q2. JCR quartiles are Clarivate's to confirm and a different system from the CAS zones; in the CAS ranking the journal is in Zone 4 of Engineering.

What are the manuscript requirements of International Journal of Turbomachinery Propulsion and Power?

According to the journal's author guidelines: Abstract: ≤ 200 words; Keywords: 3–10; Manuscript length: ≤ 2,000 words; Reference style: Author–date; Templates: LaTeX and Word; First submission: Free format: the journal's layout is not required; Suggested reviewers: Required, 3; Graphical abstract: Optional; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.

Where are the editorial board members of International Journal of Turbomachinery Propulsion and Power based?

Of the 32 board members whose country the journal's board page names, none are in mainland China; the countries named most often are Germany (7), France (7) and Italy (4). Counted from the institutions listed on the board page; for reference only.

Which databases index International Journal of Turbomachinery Propulsion and Power?

According to LetPub and DOAJ records, International Journal of Turbomachinery Propulsion and Power is indexed in ESCI, Scopus and DOAJ. The journal's website also lists EI Compendex, Web of Science and INSPEC; that list has not been checked against each database.

Is International Journal of Turbomachinery Propulsion and Power open access, and what is the APC?

International Journal of Turbomachinery Propulsion and Power is a fully open-access journal. APC charged, amount not published.

Sources and updates

The facts on this page come from LetPub, Publisher website, OpenAlex, DOAJ; 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 2026-08-26). Last updated: .