Special Issue "Cooling/Heat Transfer"

A special issue of Aerospace (ISSN 2226-4310).

Deadline for manuscript submissions: 30 September 2018

Special Issue Editor

Guest Editor
Dr. Qiang Zhang

School of Mathematics, Computer Science & Engineering, Department of Mechanical Engineering & Aeronautics, City, University of London, Northampton Square, London EC1V 0HB, UK
Website | E-Mail
Interests: gas turbine heat transfer and cooling; aerodynamics; conjugate heat transfer; experimental techniques; CFD simulation and validation

Special Issue Information

Dear Colleagues,

Our understanding on cooling and heat transfer technology have been continuously improved during the decades. With the development of advanced measurement techniques, experimental research is facing new opportunities and challenges on improving accuracy and resolution, enhancing accessibility, boundary condition control, and proper lab scaling method, etc. With the increasing computing power, CFD research now is dealing with new challenges in developing more efficient methods, resolving multiscale problems, unsteady phenomenon, and fluid-solid conjugation issues. Meanwhile, further improvements and new thermal management technologies may become more feasible with the recent developments in materials, manufacturing technology, systems integration and controls. It is a great pleasure to collect and share our understandings on the rich physics behind heat transfer mechanism, and new methods and ideas to embrace these opportunities and challenges.

The Special Issue welcoming papers on:

(i) Update of fundamental heat transfer theory
(ii) New internal & external cooling design concepts
(iii) Experimental methods & uncertainty improvement
(iv) High fidelity CFD in cooling / heat transfer
(v) Conjugate heat transfer experiments & CFD validation

Dr. Qiang Zhang
Guest Editor

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 papers will be 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. Aerospace is an international peer-reviewed open access quarterly 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 550 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.

Published Papers (1 paper)

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Open AccessReview Turbine Blade Tip External Cooling Technologies
Received: 13 July 2018 / Revised: 12 August 2018 / Accepted: 13 August 2018 / Published: 26 August 2018
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This article provides an overview of gas turbine blade tip external cooling technologies. It is not the intention to comprehensively review all the publications from past to present. Instead, selected reports, which represent the most recent progress in tip cooling technology in open
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This article provides an overview of gas turbine blade tip external cooling technologies. It is not the intention to comprehensively review all the publications from past to present. Instead, selected reports, which represent the most recent progress in tip cooling technology in open publications, are reviewed. The cooling performance on flat tip and squealer tip blades from reports are compared and discussed. As a generation conclusion, tip clearance dimension and coolant flow rate are found as the most important factors that significant influence the blade tip thermal performance was well as the over tip leakage (OTL) flow aerodynamics. However, some controversial trends are reported by different researchers, which could be attributed to various reasons. One of the causes of this disagreement between different reports is the lacking of unified parametric definition. Therefore, a more appropriate formula of blowing ratio definition has been proposed for comparison across different studies. The last part of the article is an outlook of the new techniques that are promising for future tip cooling research. As a new trend, the implementation of artificial intelligence techniques, such as genetic algorithm and neural network, have become more popular in tip cooling optimization, and they will bring significantly changes to the future turbine tip cooling development. Full article
(This article belongs to the Special Issue Cooling/Heat Transfer)

Graphical abstract

Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Feature Papers:

- High speed rotor, Prof. Mike Dunn, Ohio State Unviersity
- Film cooling experimental research (LIF, PIV, IR, PSP), Prof. Ken Takeishi, Tokushima Bunri University
- Additive manufacturing & cooling research, Prof. Karen Thole, Pennsylvania State University
- Design of turbine experimental facilities in heat transfer, Prof. Guillermo Paniagua, Purdue University
- High temperature experimental rig, Prof. Jing Ren, Tsinghua University
- Heat transfer HTC scaling / Biot number, Prof. Tom Shih, Purdue University
- CFD- Multiscale modelling, Prof. Li He, Oxford University
- CFD- LES in Internal Cooling, Prof. Danish Tafti, Virginia Tech
- Unsteady thermal management - scan- cooling concept, Dr. Qiang Zhang, City, University of London

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