Special Issue "Sciences and Innovations in Heat Pump/Refrigeration: Volume II"

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

Deadline for manuscript submissions: 15 February 2021.

Special Issue Editors

Prof. Dr. Takahiko Miyazaki
Website
Guest Editor
Faculty of Engineering Sciences, Kyushu University, 6-1 Kasuga koen, Kasuga-shi, Fukuoka 816-8580, Japan
Interests: heat pump and refrigeration; thermally driven heat pump; air conditioning; refrigerant; adsorption; desiccant; optimization
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Prof. Dr. Koji Enoki
Website
Guest Editor
Graduate School of Informatics and Engineering, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
Interests: heat pump and refrigeration; phase-change heat transfer; multiphase flow; heat exchanger; heat transfer enhancement; utilization of waste heat; jet flow; deep learning
Special Issues and Collections in MDPI journals
Prof. Dr. Joon Ahn

Guest Editor
School of Mechanical Engineering, Kookmin University, 77 Jeongneung-ro, Seongbuk-gu, Seoul 02707, Korea
Interests: heat pump and refrigeration; desiccant cooling; thermal comfort; cogeneration/trigeneration; heat pump-boiler hybrid system; thermal system control/management

Special Issue Information

Dear Colleagues,

This Special Issue is a continuation of the previous Special Issue “Sciences in Heat Pump and Refrigeration”, which was closed in December 2019, and we wish to attract publications related to heat pump and refrigeration. As heat pump and refrigeration are technologies used in a variety of applications (air conditioning, food preservation, hot water and steam generation, drying, cryogenic storage, etc.), the related research area’s span is very broad and includes both basic science and advanced engineering. Therefore, this new Special Issue welcomes basic scientific studies such as the prediction of refrigerant properties by molecular simulation and new materials for thermally driven heat pumps, as well as applied scientific studies that lead to innovation, such as the application of AI and heat transfer enhancement by nanostructures, amongst others.

Prof. Dr. Takahiko Miyazaki
Prof. Dr. Koji Enoki
Prof. Dr. Joon Ahn
Guest Editors

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 papers will be 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 1800 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

  • low-global-warming-potential refrigerants
  • absorption/adsorption heat pump and refrigeration
  • desiccant air conditioning
  • heat and mass transfer enhancement
  • innovative heat exchangers
  • application of AI for air conditioning
  • visualization
  • system optimization and dynamic control

Published Papers (1 paper)

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Research

Open AccessArticle
Investigating Applicability of Evaporative Cooling Systems for Thermal Comfort of Poultry Birds in Pakistan
Appl. Sci. 2020, 10(13), 4445; https://doi.org/10.3390/app10134445 - 28 Jun 2020
Abstract
In the 21st century, the poultry sector is a vital concern for the developing economies including Pakistan. The summer conditions of the city of Multan (Pakistan) are not comfortable for poultry birds. Conventionally, swamp coolers are used in the poultry sheds/houses of the [...] Read more.
In the 21st century, the poultry sector is a vital concern for the developing economies including Pakistan. The summer conditions of the city of Multan (Pakistan) are not comfortable for poultry birds. Conventionally, swamp coolers are used in the poultry sheds/houses of the city, which are not efficient enough, whereas compressor-based systems are not economical. Therefore, this study is aimed to explore a low-cost air-conditioning (AC) option from the viewpoint of heat stress in poultry birds. In this regard, the study investigates the applicability of three evaporative cooling (EC) options, i.e., direct EC (DEC), indirect EC (IEC), and Maisotsenko-cycle EC (MEC). Performance of the EC systems is investigated using wet-bulb effectiveness (WBE) for the climatic conditions of Multan. Heat stress is investigated as a function of poultry weight. Thermal comfort of the poultry birds is calculated in terms of temperature-humidity index (THI) corresponding to the ambient and output conditions. The heat production from the poultry birds is calculated using the Pederson model (available in the literature) at various temperatures. The results indicate a maximum temperature gradient of 10.2 °C (MEC system), 9 °C (DEC system), and 6.5 °C (IEC systems) is achieved. However, in the monsoon/rainfall season, the performance of the EC systems is significantly reduced due to higher relative humidity in ambient air. Full article
(This article belongs to the Special Issue Sciences and Innovations in Heat Pump/Refrigeration: Volume II)
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