Advanced Heat and Mass Transfer Technologies, 2nd Edition

Topic Information

Dear Colleagues,

This Topic is a continuation of the previous successful Topic “Advanced Heat and Mass Transfer Technologies” (https://www.mdpi.com/topics/7B51IU9BQ5). Heat and mass transfer is a crucial challenge for engineers and scientists from different technical fields. Advanced heat and mass transfer technologies are critical fundamental scientific issues for important industries—such as power electronics, refrigeration and air conditioning, chemical engineering, and data centers—and can help to reduce building energy consumption, improve energy conversion efficiency, and contribute to global energy conservation and emission reduction. This Topic is open to researchers and authors who want to submit their research and review articles in the fields of electronic cooling, battery thermal management, energy storage, refrigeration, heating, ventilation, and renewable energy. We look forward to your submissions, which will be peer-reviewed by international colleagues with broad expertise in this specific topic. The topics of interest for publication include, but are not limited to, the following:

• Heat exchangers;
• Thermal energy storage;
• Fluid mechanics, heat, and mass transfer;
• Nanofluid heat transfer;
• Thermal management of electronics and chips;
• Two-phase flow and heat transfer;
• Heat transfer enhancement;
• Waste heat recovery;
• Heat pipes and vapor chambers;
• Microfluidics;
• Thermal interface materials.

Dr. Xinjian Liu
Dr. Ziming Cheng
Topic Editors

Keywords

Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Applied Sciences applsci	2.5	5.5	2011	16 Days	CHF 2400	Submit
Energies energies	3.2	7.3	2008	16.8 Days	CHF 2600	Submit
Fluids fluids	1.8	4.0	2016	20.8 Days	CHF 1800	Submit
Materials materials	3.2	6.4	2008	15.5 Days	CHF 2600	Submit
Processes processes	2.8	5.5	2013	14.9 Days	CHF 2400	Submit
Solar solar	-	4.3	2021	19.8 Days	CHF 1200	Submit

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Published Papers (4 papers)

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All Applied Sciences Energies Fluids Materials Processes Solar

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18 pages, 4241 KB  

Open AccessArticle

Effect of Injection Timing on Exhaust Thermal Recovery in a Biodiesel Engine

by Murat Karabulut, Sinan Erdoğan and Cenk Sayın

Appl. Sci. 2026, 16(3), 1218; https://doi.org/10.3390/app16031218 - 24 Jan 2026

Viewed by 247

Abstract

The utilization of thermoelectric systems within internal combustion engines has emerged as a promising approach to recuperate a portion of the energy dissipated through exhaust gases. The objective of this study is twofold: firstly, to assess the heat recovery potential of a thermoelectric [...] Read more.

The utilization of thermoelectric systems within internal combustion engines has emerged as a promising approach to recuperate a portion of the energy dissipated through exhaust gases. The objective of this study is twofold: firstly, to assess the heat recovery potential of a thermoelectric generator integrated into a diesel engine, and secondly, to elucidate the impact of varying operating conditions on the efficiency of heat recovery. For this purpose, the thermoelectric generator was mounted onto the exhaust pipe of a single-cylinder diesel engine featuring a common-rail fuel injection system with pilot injection and a displacement volume of 1.12 L. The calculations were conducted under 100% engine load at 1500 RPM engine speed and three different injection timing settings (−2, STD, and +2 °CA). The optimum heat recovery efficiency was determined to be 5.02%, which was achieved under the following conditions: B50 fuel, −2 °CA injection timing, 1500 RPM engine speed, and 100% engine load. Full article

(This article belongs to the Topic Advanced Heat and Mass Transfer Technologies, 2nd Edition)

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14 pages, 927 KB  

Open AccessArticle

Kinetic Study of Color, Texture and Exergy Analysis of Halloumi Cheese During Deep-Fat Frying Process

by Yağmur Erim Köse

Processes 2026, 14(1), 39; https://doi.org/10.3390/pr14010039 - 22 Dec 2025

Viewed by 387

Abstract

Halloumi cheese is commonly consumed in fried form, yet the effects of frying conditions on its quality and energy performance have not been fully clarified. This study aimed to investigate the color and texture changes of halloumi cheese during deep-fat frying at 140, [...] Read more.

Halloumi cheese is commonly consumed in fried form, yet the effects of frying conditions on its quality and energy performance have not been fully clarified. This study aimed to investigate the color and texture changes of halloumi cheese during deep-fat frying at 140, 150 and 160 °C for 0, 2, 4, 6 and 8 min. It also evaluated the exergy efficiency of the process to clarify how frying temperature and time influence energy use. Based on regression analysis, the reaction kinetics of L*, a*, and b* followed first-order behavior, while changes in ΔE were best described by a zero-order model. The texture parameters chewiness and springiness decreased in accordance with first-order kinetics, whereas the observed increases in hardness and adhesiveness followed a zero-order reaction model. Activation energies for both color and texture changes, calculated using the Arrhenius equation, ranged from 12.976 to 50.857 kJ/mol. Exergy efficiency varied between 31.08% and 46.83%, with the highest value obtained at 150 °C for 8 min. The combined kinetic and exergy approach provides practical information for selecting frying conditions that ensure consistent quality while improving energy use in fried dairy products. Full article

(This article belongs to the Topic Advanced Heat and Mass Transfer Technologies, 2nd Edition)

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24 pages, 9679 KB  

Open AccessArticle

Mechanisms and Optimization of Critical Parameters Governing Solid-Phase Transport in Jet Pumps for Vacuum Sand Cleanout

by Xia Jia, Hualin Liao, Lei Zhang, Yan Zhang and Jiawei Liu

Processes 2025, 13(8), 2639; https://doi.org/10.3390/pr13082639 - 20 Aug 2025

Viewed by 769

Abstract

This paper addresses the critical challenge of insufficient solid-phase suction capacity in jet pumps during vacuum sand cleanout operations for low-pressure oil and gas wells. Through integrated numerical simulations validated by experimental measurements with under 15% error, a kind of nonlinear interaction mechanism [...] Read more.

This paper addresses the critical challenge of insufficient solid-phase suction capacity in jet pumps during vacuum sand cleanout operations for low-pressure oil and gas wells. Through integrated numerical simulations validated by experimental measurements with under 15% error, a kind of nonlinear interaction mechanism among key operational and solid-phase parameters is revealed in this paper. The results demonstrate that due to intensified turbulent dissipation, particle diameters exceeding 0.5 mm will lead to a significant decrease in pump efficiency, while an increase in solid volume fraction can improve the solid transport rate but will reduce the energy conversion efficiency. Working pressure optimization shows that the pump efficiency will reach its maximum when the work pressure is 5 MPa, while if it is 8 MPa, the solid transport capacity will be increased by 116%. A discharge pressure exceeding 2.5 MPa will reduce the suction pressure difference and disrupt solid phase transport. A novel dual-metric framework considering the solid transport rate and pump efficiency is put forward in this paper, which includes limiting the particle diameter to 0.5 mm or less, maintaining a solid volume fraction below 30%, and keeping the working pressure between 5 and 8 MPa and the discharge pressure at 2.5 MPa or lower. This method can increase the sand removal efficiency to over 30% while minimizing energy loss, providing a validated theoretical basis for sustainable wellbore repair in depleted oil reservoirs. Full article

(This article belongs to the Topic Advanced Heat and Mass Transfer Technologies, 2nd Edition)

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21 pages, 2922 KB  

Open AccessArticle

Investigation of the Convective Mass Transfer Characteristics in a Parallel-Plate Channel Flow Disturbed by Using a Selenoid Pulse Generator

by Mehmet Emin Arzutuğ

Processes 2025, 13(6), 1700; https://doi.org/10.3390/pr13061700 - 29 May 2025

Cited by 1 | Viewed by 955

Abstract

The continuous change in the entrance cross-section of a parallel-plate flow channel generally affects the mass and heat transfer on the walls of the channel. In this paper, an electrochemical parallel-plate flow channel equipped with a selenoid pulse generator has been developed to [...] Read more.

The continuous change in the entrance cross-section of a parallel-plate flow channel generally affects the mass and heat transfer on the walls of the channel. In this paper, an electrochemical parallel-plate flow channel equipped with a selenoid pulse generator has been developed to enhance the convective mass transfer on the walls of a mass transfer flow system such as an electrodeposition cell, absorption column, flow reactor, etc. A number of experimental studies have been conducted to determine the distribution of the mass transfer coefficients on the bottom wall of a parallel-plate channel for the flow conditions with/without a pulse in the research. Here, the distribution of the convective mass transfer coefficients has been determined by the electrochemical limiting diffusion current technique (ELDCT) using nickel local cathodes arranged on the bottom surface of the flow channel. The experimental results show the effects of the parameters used, which are the flow Reynolds number, opened/closed (OP/CL) ratio, and pulse number, on the distribution of mass transfer coefficients. The results have revealed that the pulse generator altered the flow structure and increased the turbulent intensity at Re < 2860 flow conditions. Within the range of Reynolds number 950 < Re < 2860, the mass transfer correlation was given as $Sh=67.02{Re}^{0.897}{\left({\displaystyle \frac{Op}{Cl}}\right)}^{-0.059}S{c}^{1/3}$. According to the research findings, the highest k_M values were obtained at Re = 2860 with an (OP/CL) ratio of 1/2. If a parallel-plate flow reactor with a pulse generator is designed using these flow conditions, it will yield a reactor that is both more efficient and more compact than a reactor without a pulse generator. Full article

(This article belongs to the Topic Advanced Heat and Mass Transfer Technologies, 2nd Edition)

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