Journal profile · THERMODYNAMICS

Frontiers in Heat and Mass Transfer

ISSN 2151-8629 · Tech Science Press · UNITED STATES OF AMERICA · Bi-annually · Founded 2010

Frontiers in Heat and Mass Transfer: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 2.5 (journal website); fully open access; APC about USD 275; median 65 days to acceptance (63 articles, last 24 months); acceptance rate 40% (journal website); 95 articles in 2025; indexed in ESCI and Scopus.

Impact factor2.5From the journal's website, 2025 value
CAS zoneZone 4 · Engineering2025 upgraded edition, major category · 2026 Xinrui edition Zone 4 · Engineering
Review time65 daysMedian, submission to acceptance · 63 articles, last 24 months · Crossref
APCUSD 275Fully open access
Acceptance40%From the journal's website (2025)
Articles per year952025 · OpenAlex count

Scope

Aims, scope and focus

Frontiers in Heat and Mass Transfer is published by Tech Science Press 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 Nanofluid Flow and Heat Transfer, Heat Transfer and Optimization and Heat Transfer and Boiling Studies, together about 41.3% of its articles. Its main subfields are Computational Mechanics and Mechanical Engineering. (generated from OpenAlex topic counts and CAS ranking data)

Frontiers in Heat and Mass Transfer is an open access and peer-reviewed online journal that provides a central vehicle for the exchange of basic ideas in heat and mass transfer between researchers and engineers around the globe. It disseminates information of permanent interest in the area of heat and mass transfer. Theory and fundamental research in heat and mass transfer, numerical simulations and algorithms, experimental techniques, and measurements as applied to all kinds of current and emerging problems are welcome. Contributions to the journal consist of original research on heat and mass transfer in equipment, thermal systems, thermodynamic processes, nanotechnology, biotechnology, information technology, energy and power applications, as well as security and related topics.

From the journal's Aims & Scope

Research area (LetPub): THERMODYNAMICS

Editor-in-chief Chun YangPublisher website

Editorial board by country: 2 in mainland China (about 8%); most named United States 17, Hong Kong, China 3, Mainland China 2, United Kingdom 1, Sweden 1 (24 members with a country) Editorial board ↗Publisher website ·

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

  1. Nanofluid Flow and Heat TransferEngineering17%
  2. Heat Transfer and OptimizationEngineering12.5%
  3. Heat Transfer and Boiling StudiesEngineering11.7%
  4. Heat Transfer MechanismsEngineering7.6%
  5. Fluid Dynamics and Turbulent FlowsEngineering6.3%
  6. Heat and Mass Transfer in Porous MediaEngineering5.1%
  7. Lattice Boltzmann Simulation StudiesEngineering4.8%
  8. Spacecraft and Cryogenic TechnologiesEngineering3.6%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorThermodynamicsZone 4

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorThermodynamicsZone 4

Top journal: noReview journal: not marked

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

Not covered by this edition.

Database indexing

ESCIScopusLetPub

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 (publisher) 2025
2.5Publisher website ·
5-year impact factor (publisher)
1.7Publisher website ·
CiteScore 2026-06
2.6LetPub ·
CiteScore (publisher) 2025
2.6Publisher website ·
SJR 2026-06
0.35LetPub ·
SNIP 2026-06
0.65LetPub ·
h-index
33OpenAlex ·
i10-index
187OpenAlex ·
2-year mean citedness
3.42OpenAlex ·
Self-citation rate
8%LetPub ·
Share of gold OA articles
92.49%LetPub ·

Volume

Articles per year
98LetPub ·

Articles by year OpenAlex count · 927 in total · the current year is incomplete

YearArticlesOpen accessCitations
2026808016
20259595235
20249595672
20236666335
20228989350
20215151331

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

Review time from article dates manuscript dates registered with Crossref · to

65 daysMedian, submission to acceptance · P25–P75 49 days – 81 days

Acceptance to online
median 75 days (63 articles)
Submission to online
median 131 days
Sample
63 articles with submission and acceptance dates (176 in the window); the latest was accepted on

Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".

Other sources

Average review time (community reports)
about 10 weeksLetPub ·
Acceptance rate (publisher) 2025
40%Publisher website ·
First decision after review 2025
24 daysPublisher website ·
Submission to acceptance 2025
59 daysPublisher website ·
Peer review
Peer reviewLetPub

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 accessOpenAlex

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

SourceAPCFee waiverLicenseObserved
OpenAlexUSD 275——
LetPubUSD 550No—

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 prepare7 items from the author guidelines
Abstract
200–400 words
Keywords
3–10
Reference style
Vancouver
Templates
LaTeX and Word
First submission
Free format: the journal's layout is not required
Suggested reviewers
Optional
Cover letter
Required
Publisher website · model-extracted, each line checked against the text
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, License & copyright, Open access
AI use Use of AI Tools by Authors

Authors may use AI tools to support manuscript preparation or research. Such tools must not replace the authors’ own expertise, critical analysis, interpretation, or judgement. Authors must maintain meaningful human oversight and remain fully responsible for the accuracy, originality, integrity, and compliance of the submitted and published work. All AI-assisted content, including citations and re…

Source ↗Publisher website ·
Authorship Author Contributions

The Author Contributions statement is mandatory for research articles, except for papers with a single author. It should represent all the authors and is to be included upon submission. All listed authors must have substantially contributed to the manuscript and have approved the final submitted version, which should include a description of each author’s specific work and contribution. We suggest…

Source ↗Publisher website ·
Conflicts of interest Conflicts of Interest

Declare conflicts of interest or state: “The author(s) declare(s) no conflicts of interest to report regarding the present study”.

Source ↗Publisher website ·
License & copyright Copyright of Figures and Tables

Creative Commons Attribution (CC BY) license Model summary

1. Ensure that permission has been obtained and there is no copyright issue. If copyright is needed, please provide a citation in the following format: “Reprinted/adapted with permission from reference [xx]. Copyright year, copyright owner’s name”. All figures, tables, and images will be published under a Creative Commons CC-BY license, and permission must be obtained for the use of copyrighted ma…

Source ↗Publisher website ·
Open access Open Access

Open access licensing Model summary

Frontiers in Heat and Mass Transfer is an open access journal which means that all content is freely available without charge to the user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles, or use them for any other lawful purpose, without asking prior permission from the publisher or the author. All articles publ…

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
Tech Science Press
Country or region
UNITED STATES OF AMERICA
Language
English
Frequency
Bi-annually
Founded
2010
ISSN
2151-8629
Official links

FAQ

Frequently asked questions about Frontiers in Heat and Mass Transfer

What CAS zone is Frontiers in Heat and Mass Transfer in?

In the 2025 upgraded edition of the CAS Journal Ranking, Frontiers in Heat and Mass Transfer is in Zone 4 of Engineering, and in Zone 4 of the minor category 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 Frontiers in Heat and Mass Transfer?

The journal's website gives an impact factor of 2.5 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 2.6, h-index 33.

How long does peer review take at Frontiers in Heat and Mass Transfer?

Based on the dates recorded on 63 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 65 days (interquartile range 49–81 days); authors report an average review time of about 10 weeks; the journal's website gives an acceptance rate of 40% (2025). 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 are the manuscript requirements of Frontiers in Heat and Mass Transfer?

According to the journal's author guidelines: Abstract: 200–400 words; Keywords: 3–10; Reference style: Vancouver; Templates: LaTeX and Word; First submission: Free format: the journal's layout is not required; Suggested reviewers: 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 Frontiers in Heat and Mass Transfer based?

Of the 24 board members whose country the journal's board page names, 2 (about 8%) are in mainland China; the countries named most often are United States (17), Hong Kong, China (3) and Mainland China (2). Counted from the institutions listed on the board page; for reference only.

Which databases index Frontiers in Heat and Mass Transfer?

According to LetPub and DOAJ records, Frontiers in Heat and Mass Transfer is indexed in ESCI and Scopus.

Is Frontiers in Heat and Mass Transfer open access, and what is the APC?

Frontiers in Heat and Mass Transfer is a fully open-access journal. APC about USD 275.

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: .