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Advances in Heat Pump and Refrigeration

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

Deadline for manuscript submissions: closed (20 May 2022) | Viewed by 2258

Special Issue Editor


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Guest Editor
Department of Engineering, Smart Cities Institute, Campus Arrosadía, Public University of Navarre, 31006 Pamplona, Spain
Interests: thermoelectric cooling; thermoelectric heat pump; heat exchangers optimization; thermoelectric generation; vapor compression systems; CFD; refrigerant blends

Special Issue Information

Dear Colleagues,

The refrigeration sector, including air conditioning, consumes about 20% of the overall electricity used worldwide. Additionally, the IIR estimates that global electricity demand for refrigeration, including air conditioning, could more than double by 2050. Consequently, the design and development of more efficient refrigeration and heat pumps systems is mandatory in order to reduce their effect on the environment.

Topics related to the following research lines will find a place in this Special Issue, although any other suggestion could fit as well. These topics of interest for publication could be experimentally or computationally studied.

  • State of the art of air conditioning and refrigeration
  • Novel and advanced refrigerant blends
  • New development of technologies
  • New system configurations
  • New hybridization of technologies

Prof. Dr. Patricia Aranguren
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

  • heat pump systems
  • refrigeration systems
  • advanced refrigerant blends
  • advanced technologies
  • thermoelectric refrigeration
  • thermoelectric heat pumps
  • systems optimization
  • advanced configurations

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Published Papers (1 paper)

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Research

19 pages, 3344 KiB  
Article
Using a Combination of Activated Carbon and Graphene Nanoparticles in a Consolidated Form for Adsorption Ice Maker: A System-Level Modeling
by Mahmoud Badawy Elsheniti, Mohamed Shaaban Eissa, Hany Al-Ansary, Jamel Orfi, Abdelrahman El-Leathy and Osama Elsamni
Appl. Sci. 2022, 12(15), 7602; https://doi.org/10.3390/app12157602 - 28 Jul 2022
Cited by 3 | Viewed by 1779
Abstract
Adsorption refrigeration systems are one of the emerging decarbonization technologies that can use eco-friendly heating sources and working fluids. However, the highly porous adsorbent materials used in these systems have a low thermal conductivity that hinders their system performance enhancement. Graphene nanoplatelets are [...] Read more.
Adsorption refrigeration systems are one of the emerging decarbonization technologies that can use eco-friendly heating sources and working fluids. However, the highly porous adsorbent materials used in these systems have a low thermal conductivity that hinders their system performance enhancement. Graphene nanoplatelets are proposed in the literature to improve the conductive heat transfer through the adsorbent field and the resulting composite adsorbents were favorably testified at the material level. In this study, the impact of employing a composite adsorbent that comprises of 50% activated carbon type Maxsorb III, 40% graphene nanoplatelets, and 10% binder was numerically investigated at a system level. The contradictory effects of heat and mass transfer mechanisms within the composite adsorbent on the performance of an adsorption ice production system were explored for three cases of composite layer thicknesses at different cycle times. The results showed that the maximum specific daily ice production and coefficient of performance of 33.27 kgice·kgads−1·day−1 and 0.3046 were attained at composite thicknesses of 2 and 5 mm and cycle times of 430 and 1230 s, respectively. The higher composite thickness of 10 mm increased the mass transfer resistances, which overlooked the enhancement in the heat transfer and reduced the overall performance. Full article
(This article belongs to the Special Issue Advances in Heat Pump and Refrigeration)
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