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Energies
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Heat Transfer and Advanced Combustion in Gas Turbines
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Heat Transfer and Advanced Combustion in Gas Turbines

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "I2: Energy and Combustion Science".

Deadline for manuscript submissions: 24 August 2024 | Viewed by 1438

Special Issue Editors

Dr. Jianyang Yu

E-Mail Website
Guest Editor
School of Energy Science and Technology, Harbin Institute of Technology, Harbin 150001, China
Interests: aerospace; power system; aerothermodynamics
Dr. Wei Du

E-Mail Website
Guest Editor
School of Energy Science and Technology, Harbin Institute of Technology, Harbin 150001, China
Interests: heat transfer in gas turbine
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue aims to explore the advancements and challenges in heat transfer and combustion aspects of gas turbines, with a focus on innovative techniques and technologies. Gas turbines play a pivotal role in various industries, including power generation, aviation, and oil and gas, and improving their performance and efficiency is of utmost importance. This Special Issue invites researchers and practitioners to contribute their original research, review articles, and case studies related to heat transfer and advanced combustion in gas turbines. The goal is to provide a platform for sharing knowledge, experiences, and novel insights into enhancing energy conversion, reducing emissions, and optimizing the overall performance of gas turbines.

Topics of interest for this Special Issue include, but are not limited to:

  1. Advanced cooling techniques for gas turbine components;
  2. Heat transfer phenomena and analysis in gas turbine systems;
  3. Combustion dynamics and modelling in gas turbines;
  4. Combustion stability and control strategies;
  5. Novel materials and coatings for improved heat transfer;
  6. Numerical simulations and experimental investigations;
  7. Integration of renewable fuels and alternative energy sources;
  8. Heat recovery and waste heat utilization.

By addressing these and related topics, this Special Issue aims to foster interdisciplinary discussions and collaborations among researchers, engineers, and industry experts. It also intends to contribute to the development of more efficient and sustainable gas turbine technologies. Researchers are encouraged to submit their contributions that push the boundaries of knowledge and propose innovative approaches to address the challenges faced in heat transfer and advanced combustion in gas turbines.

Dr. Jianyang Yu
Dr. Wei Du
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

  • heat transfer
  • cooling
  • modelling
  • numerical simulations, waste heat utilization
  • energy conversion
  • efficiency
  • renewable fuels
  • combustion dynamics

Published Papers (2 papers)

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Research

23 pages, 10303 KiB  
Article
Acoustic Design Parameter Change of a Pressurized Combustor Leading to Limit Cycle Oscillations
by Mehmet Kapucu, Jim B. W. Kok and Artur K. Pozarlik
Energies 2024, 17(8), 1885; https://doi.org/10.3390/en17081885 - 15 Apr 2024
Viewed by 402
Abstract
When aiming to cut down on the emission of nitric oxides by gas turbine engines, it is advantageous to have them operate at low combustion temperatures. This is achieved by lean premixed combustion. Although lean premixed combustion is a proven and promising technology, [...] Read more.
When aiming to cut down on the emission of nitric oxides by gas turbine engines, it is advantageous to have them operate at low combustion temperatures. This is achieved by lean premixed combustion. Although lean premixed combustion is a proven and promising technology, it is also very sensitive to thermoacoustic instabilities. These instabilities occur due to a coupling between the unsteady heat release rate of the flame and the acoustic field inside the combustion chamber. In this paper, this coupling is investigated in detail. Two acoustic design parameters of a swirl-stabilized pressurized preheated air (300 °C)/natural gas combustor are varied, and the occurrence of thermoacoustic limit cycle oscillations is explored. The sensitivity of the acoustic field as a function of combustion chamber length (0.9 m to 1.8 m) and reflection coefficient (0.7 and 0.9) at the exit of the combustor is investigated first using a hybrid numerical and analytical approach. ANSYS CFX is used for Unsteady Reynolds Averaged Navier-Stokes (URANS) numerical simulations, and a one-dimensional acoustic network model is used for the analytical investigation. Subsequently, the effects of a change in the reflection coefficient are validated on a pressurized combustor test rig at 125 kW and 1.5 bar. With the change in reflection coefficient, the combustor switched to limit cycle oscillation as predicted, and reached a sound pressure level of 150 dB. Full article
(This article belongs to the Special Issue Heat Transfer and Advanced Combustion in Gas Turbines)
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25 pages, 11990 KiB  
Article
Numerical Study of the Influence of Different Bending Shapes on the Heat Transfer Characteristics of Annular Cross Wavy Primary Surface Recuperator (CW-PSR)
by Huadong Jiang, Fu Chen, Chonghai Huang, Jianyang Yu, Yanping Song and Juanshu Zhang
Energies 2023, 16(24), 7977; https://doi.org/10.3390/en16247977 - 08 Dec 2023
Viewed by 792
Abstract
The cross-wave primary surface recuperator (CW-PSR) is a dependable option as a recuperator for micro gas turbines (MGT). The micro CW-PSR studied in this paper is composed of 171 stacked curved plates, with each plate containing 33 micro heat transfer channels with equivalent [...] Read more.
The cross-wave primary surface recuperator (CW-PSR) is a dependable option as a recuperator for micro gas turbines (MGT). The micro CW-PSR studied in this paper is composed of 171 stacked curved plates, with each plate containing 33 micro heat transfer channels with equivalent diameters of less than 1 mm. In this study, the influence of bending curvature on the thermal performance of CW-PSR plates is investigated through three-dimensional numerical simulation with fluid–solid–thermal coupling. The results indicate that the variation in bending curvature studied can result in a noteworthy 8% difference in the total heat transfer coefficient of CW-PSR plates. A direct correlation between heat transfer capacity and secondary flow strength is derived mathematically, explaining the mechanism by which secondary flow enhances heat transfer. By employing this relationship, a comprehensive analysis of CW-PSR plates with diverse bending curvatures is conducted, effectively showcasing how curvature influences the secondary flow pattern and enhances the channel’s heat transfer capacity. In addition, this paper considers the comprehensive influence of the size parameters of the heat transfer unit and the bending curvature of the heat transfer plate on the heat transfer and flow characteristics of the CW-PSR, and a dominant mathematical expression is obtained, which can be used for the design of similar heat exchangers of the same type. Full article
(This article belongs to the Special Issue Heat Transfer and Advanced Combustion in Gas Turbines)
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