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Applied Thermodynamics

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Thermal Engineering".

Deadline for manuscript submissions: 20 October 2025 | Viewed by 869

Special Issue Editor


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Guest Editor
The Ira Fulton Schools of Engineering, TPS and SEMTE, Arizona State University, Tempe, AZ 85287-3005, USA
Interests: applied thermodynamics; heat transfer; fluid mechanics; plasma physics; rocket propulsion; aerospace engineering

Special Issue Information

Dear Colleagues,

Engineering thermodynamics, the application of fundamental energy conversion principles to systems and their interaction with the surroundings, has significantly advanced since Sadi Carnot’s perfect steam engine and the simple notion of heat conversion to mechanical energy. The scope is well beyond further analyzing and optimizing established systems, e.g., power plants, air-breathing jet engines, etc., addressing challenges essential to the 21st century, such as renewable energy technologies, nuclear energy conversion, bioengineering, and biomedical systems, among many others.

Therefore, this Special Issue of Applied Sciences invites the submission of original and innovative research addressing engineering thermodynamic topics such as renewable and sustainable system optimization, e.g., solar, wind, hydro, geothermal, and biomass, nuclear power generation, electrical and hybrid vehicles’ cycle optimization, lithium-ion batteries, and fuel cells’ energy storage and conversion. This Special Issue also welcomes the submission of more fundamental applied research in topics such as, but not limited to, thermoelectricity, statistical thermodynamic applications to system analysis, effects of the second law of thermodynamics in designing thermodynamic cycles, energy storage, dissipation and degradation, non-equilibrium applications, magnetohydrodynamic power generation, bioengineering and biomedical systems, and ecosystem energy conversions, addressing issues such as the greenhouse effect and air and water pollution.

Dr. Pavlos George Mikellides
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • energy conversion and optimization
  • thermodynamics of renewable energy systems
  • ecosystem energy transfers
  • application of statistical thermodynamics
  • magnetohydrodynamic energy conversion
  • fuel-efficient transportation systems
  • efficient energy storage and discharge

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Published Papers (1 paper)

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Research

22 pages, 7530 KiB  
Article
Experimental Study of a Novel Prototype of Dual-Cycle Two-Phase Cooling System for a Data Cabinet
by Hao Cheng, Tongzhi Yang, Yifan Zhao, Leixin Wang, Weixing Yuan and Kexian Ren
Appl. Sci. 2025, 15(5), 2386; https://doi.org/10.3390/app15052386 - 23 Feb 2025
Viewed by 680
Abstract
As Information Technology continues to rapidly evolve, the scale and energy consumption of data centers have seen a significant surge. Traditional air-cooling systems in data centers are notably energy intensive. This study proposes an innovative dual-cycle two-phase cooling system (DTCS) for retrofitting existing [...] Read more.
As Information Technology continues to rapidly evolve, the scale and energy consumption of data centers have seen a significant surge. Traditional air-cooling systems in data centers are notably energy intensive. This study proposes an innovative dual-cycle two-phase cooling system (DTCS) for retrofitting existing server cabinets. The system integrates the two synergistic subsystems of a pump-driven chip-level two-phase cooling system (PCTCS) and a pump-driven backplane-level two-phase cooling system (PBTCS). The PCTCS provides year-round natural cooling of high-power chips, and experimental results indicate that even under extreme outdoor conditions of up to 42 °C, the PCTCS can maintain the chip temperature at 76 °C. At the same time, the PBTCS effectively cools all components in the cabinet except the high-power chips. By efficiently controlling the chip temperature through the PCTCS, the novel DTCS ensures stable operation at data room temperatures up to 33 °C, thereby significantly reducing the energy consumption of the cooling system. The average annual pPUE of the cooling system is 1.078 at the test site in Xiangyang, Hubei province in China. The DTCS could perform well across various Chinese cities even under severe hot and moist conditions, with the average annual pPUE consistently below 1.1. Full article
(This article belongs to the Special Issue Applied Thermodynamics)
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