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Energies
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Heat and Mass Transfer and Fluid Flow
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Heat and Mass Transfer and Fluid Flow

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J1: Heat and Mass Transfer".

Deadline for manuscript submissions: closed (15 November 2022) | Viewed by 2969

Special Issue Editors

Dr. Qiang Xu

E-Mail Website
Guest Editor
State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Interests: condensation heat transfer; jet flow; multiphase flow; flow regime identification
Dr. Pan Jia

E-Mail Website
Guest Editor
School of Science, Harbin Institute of Technology, Shenzhen 518055, China
Interests: fluid flow and heat transfer; multiphase flow; energy storage

Special Issue Information

Dear Colleagues,

Heat transfer is widely used in various fields of science and technology. However, low heat-transfer efficiency has always been a bottleneck that restricts the development of many cutting-edge technologies, such as high-power electronic chip cooling and surface thermal protection of supersonic vehicles, etc. It is a challenging task to study heat transfer and flow under extreme conditions, such as confined spaces and ultra-high heat flux.

This Special Issue, entitled “Heat and Mass Transfer and Fluid Flow”, welcomes high-quality original papers that focus on a broad range of topics of interest, including but not limited to:

  • condensation, boiling, evaporation;
  • jets, wakes, and impingement cooling;
  • micro/nanoscale heat transfer;
  • multiphase flow;
  • transport processes;
  • modelling and computational methods.

Dr. Qiang Xu
Dr. Pan Jia
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 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. Energies 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 2600 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

  • boiling
  • condensation
  • micro/nanoscale heat transfer
  • heat transfer enhancement
  • mass transfer
  • jets
  • modeling
  • heat exchangers
  • multiphase flow
  • bubble dynamics
  • droplet flow

Published Papers (2 papers)

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Research

15 pages, 2195 KiB  
Article
Day-Ahead Operation Analysis of Wind and Solar Power Generation Coupled with Hydrogen Energy Storage System Based on Adaptive Simulated Annealing Particle Swarm Algorithm
by Kang Chen, Huaiwu Peng, Zhenxin Gao, Junfeng Zhang, Pengfei Chen, Jingxin Ruan, Biao Li and Yueshe Wang
Energies 2022, 15(24), 9581; https://doi.org/10.3390/en15249581 - 16 Dec 2022
Cited by 7 | Viewed by 1520
Abstract
As the low-carbon economy continues to evolve, the energy structure adjustment of using renewable energies to replace fossil fuel energies has become an inevitable trend. To increase the ratio of renewable energies in the electric power system and improve the economic efficiency of [...] Read more.
As the low-carbon economy continues to evolve, the energy structure adjustment of using renewable energies to replace fossil fuel energies has become an inevitable trend. To increase the ratio of renewable energies in the electric power system and improve the economic efficiency of power generation systems based on renewables with hydrogen production, in this paper, an operation optimization model of a wind–solar hybrid hydrogen energy storage system is established based on electrochemical energy storage and hydrogen energy storage technology. The adaptive simulated annealing particle swarm algorithm is used to obtain the solution, and the results are compared with the standard particle swarm algorithm. The results show that the day-ahead operation scheme solved by the improved algorithm can save about 28% of the system operating cost throughout the day. The analytical results of the calculation example revealed that the established model had fully considered the actual operational features of devices in the system and could reduce the waste of wind and solar energy by adjusting the electricity purchased from the power grid and the charge and discharge powers of the storage batteries under the mechanism of time-of-use electricity price. The optimization of the day-ahead scheduling of the system achieved the minimization of daily system operation costs while ensuring that the hydrogen-producing power could meet the hydrogen demand. Full article
(This article belongs to the Special Issue Heat and Mass Transfer and Fluid Flow)
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14 pages, 3881 KiB  
Article
Aspects of Homogeneous Heterogeneous Reactions for Nanofluid Flow Over a Riga Surface in the Presence of Viscous Dissipation
by Anum Naseem, Anum Shafiq, Faiza Naseem and Muhammad Umar Farooq
Energies 2022, 15(19), 6891; https://doi.org/10.3390/en15196891 - 20 Sep 2022
Cited by 3 | Viewed by 1102
Abstract
The aim of our study is to delineate the characteristics of fluid flow comprising single-wall and multi-wall carbon nanotubes (SWCNTs and MWCNTs) along the surface of a Riga plate fixed in a porous environment. We carried out in-depth comparative analysis to depict the [...] Read more.
The aim of our study is to delineate the characteristics of fluid flow comprising single-wall and multi-wall carbon nanotubes (SWCNTs and MWCNTs) along the surface of a Riga plate fixed in a porous environment. We carried out in-depth comparative analysis to depict the behavior of SWCNTs and MWCNTs when water and kerosene oil are used as base fluids. Homogeneous–heterogeneous reactions generated a significant impact on flow dynamics; furthermore, we also discuss the impact of viscous dissipation. We assembled numerical solutions for non-dimensionalized ordinary differential equations with the help of the shooting technique; moreover, by employing the same procedure, we report the conduct of dominating parameters on velocity, temperature, and concentration profiles. The results show highly desirable skin friction coefficient and Nusselt number values, which we exhibit in terms of tabular data. Full article
(This article belongs to the Special Issue Heat and Mass Transfer and Fluid Flow)
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