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 812

Special Issue Editors


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Guest Editor
College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: multiphase flow; heat and mass transfer; system performance simulation

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

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

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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 (1 paper)

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Research

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 520
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
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