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Advanced Heat Transfer Technologies for the Design, Operation and Optimization...
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Advanced Heat Transfer Technologies for the Design, Operation and Optimization of Steam Power Systems

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: 15 May 2025 | Viewed by 1159

Special Issue Editors

Prof. Dr. Baozhi Sun

E-Mail Website
Guest Editor
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: multiphase flow; heat and mass transfer; system performance simulation
Prof. Dr. Yanjun Li

E-Mail Website
Guest Editor
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: system performance simulation; mechanical analysis; status monitoring; fault diagnosis; health management
Dr. Jianxin Shi

E-Mail Website
Guest Editor
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: multiphase flow; heat and mass transfer; thermal and power conversion devices

Special Issue Information

Dear Colleagues,

The steam power system is the fundamental mechanism for heat and power conversion. This Special Issue, entitled “Advanced Heat Transfer Technologies for the Design, Operation and Optimization of Steam Power Systems”, seeks contributions related to this subject, in areas including heat and mass transfer, thermodynamics, heat exchangers with high efficiency, performance simulation, control, prognostics and the health management of the steam power system, etc. We invite researchers to submit both original research papers and review papers to this Special Issue. Topics include, but are not limited to, the following:

  1. Heat transfer enhancement, multiphase flow, heat and mass transfer, microscale heat transfer, and the heat and mass transfer characteristics of porous materials in steam power systems;
  2. Combined cycles, advanced cycles, and thermoeconomics analyses of steam power systems;
  3. The design, performance simulation, and optimization of complex and novel steam power systems;
  4. Mechanical analyses of steam power systems;
  5. The performance prediction, status monitoring, fault diagnosis, and health management of steam power systems.

Prof. Dr. Baozhi Sun
Prof. Dr. Yanjun Li
Dr. Jianxin Shi
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. Processes is an international peer-reviewed open access monthly 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

  • multiphase flow
  • heat and mass transfer
  • thermodynamic cycle
  • thermoeconomics analysis
  • performance simulation, optimization
  • mechanical analysis
  • status monitoring
  • fault diagnosis
  • health management

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Published Papers (2 papers)

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Research

25 pages, 5047 KiB  
Article
Enhancing the Thermal Efficiency of Parabolic Trough Collectors by Using Annular Receivers for Low-Enthalpy Steam Generation
by Zuriel Aquino-Santiago, J. O. Aguilar, Guillermo Becerra-Núñez and O. A. Jaramillo
Processes 2024, 12(12), 2653; https://doi.org/10.3390/pr12122653 - 25 Nov 2024
Viewed by 247
Abstract
Parabolic Trough Collectors (PTCs) are a well-established technology for efficiently generating hot water and low-enthalpy steam. For instance, PTCs can be used in steam power systems to drive small Organic Rankine Cycles (ORCs). This study evaluated the thermal efficiency of a PTC equipped [...] Read more.
Parabolic Trough Collectors (PTCs) are a well-established technology for efficiently generating hot water and low-enthalpy steam. For instance, PTCs can be used in steam power systems to drive small Organic Rankine Cycles (ORCs). This study evaluated the thermal efficiency of a PTC equipped with a receiver tube featuring a concentric annular cross-section. This receiver design consists of a tube with a concentric rod inside, forming an annular gap through which the working fluid flows. A thermodynamic model was developed to assess the PTC’s thermal efficiency in hot water and low-enthalpy steam applications. The evaluation considered the First and Second Laws of Thermodynamics, factoring in environmental losses. The model included a bare receiver tube with three-rod diameters—3/8, 1/2, and 3/4 inches—and a range of volumetric flow rates from 1 to 6 L per minute. The results showed improved heat transfer with the annular cross-section receiver compared to a conventional circular one, particularly at lower flow rates of 1 and 2 L per minute. The highest increase in thermal efficiency was observed with the 3/4-inch rod at a flow rate of 1 L per minute, where the maximum efficiency reached 40%. Full article
(This article belongs to the Special Issue Advanced Heat Transfer Technologies for the Design, Operation and Optimization of Steam Power Systems)
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12 pages, 2353 KiB  
Article
Performance Evaluation of CO2 + SiCl4 Binary Mixture in Recompression Brayton Cycle for Warm Climates
by Muhammad Ehtisham Siddiqui and Khalid H. Almitani
Processes 2024, 12(10), 2155; https://doi.org/10.3390/pr12102155 - 2 Oct 2024
Viewed by 571
Abstract
This work demonstrates the potential of CO2 + SiCl4 binary mixture as a working fluid for power generation cycle. Recompression Brayton cycle configuration is considered due to its proven record of high performance for medium- to high-temperature sources. The objective of [...] Read more.
This work demonstrates the potential of CO2 + SiCl4 binary mixture as a working fluid for power generation cycle. Recompression Brayton cycle configuration is considered due to its proven record of high performance for medium- to high-temperature sources. The objective of this study is to assess the thermodynamic performance of a recompression Brayton cycle using a CO2 + SiCl4 binary mixture as a working fluid, particularly under warm climate conditions. The cycle is simulated using the Peng–Robinson equation of state in Aspen Hysys (v11) software, and the model is validated by comparing VLE data against experimental data from the literature. The analysis involves the assessment of cycle’s thermal efficiency and exergy efficiency under warm climatic conditions, with a minimum cycle temperature of 40 °C. The results demonstrate a notable improvement in the cycle’s thermodynamic performance with CO2 + SiCl4 binary mixture compared to pure CO2. A small concentration (5%) of SiCl4 in CO2 increases the thermal efficiency of the cycle from 41.7% to 43.4%. Moreover, irreversibility losses in the cooler and the heat recovery unit are significantly lower with the CO2 + SiCl4 binary mixture than with pure CO2. This improvement enhances the overall exergy efficiency of the cycle, increasing it from 62.1% to 70.2%. The primary reason for this enhancement is the substantial reduction in irreversibility losses in both the cooler and the HTR. This study reveals that when using a CO2 + SiCl4 mixture, the concentration must be optimized to avoid condensation in the compressor, which can cause physical damage to the compressor blades and other components, as well as increase power input. This issue arises from the higher glide temperature of the mixture at increased SiCl4 concentrations and the limited heat recovery from the cycle. Full article
(This article belongs to the Special Issue Advanced Heat Transfer Technologies for the Design, Operation and Optimization of Steam Power Systems)
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