Transpiration cooling for additive manufactured porous plates with partition walls

Huang, Gan; Zheng, Mingyuan; Yang, Li; Jiang, Pei-Xue; Chyu, Minking K.

doi:10.1016/j.ijheatmasstransfer.2018.03.110

Cited by 67 publications

(17 citation statements)

References 35 publications

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“…These methods are not commendable because of their inability to generalize or extrapolate the given data or information. Therefore, the focus of researchers should also be on the simultaneous optimization of these processes by building mathematical models using advanced machine learning methods [142][143][144][145][146][147]. Doing so will help analyze the process and can provide feedback to adjust the process according to economic conditions.…”

Section: Discussion and Findingsmentioning

confidence: 99%

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Review of materials used in laser-aided additive manufacturing processes to produce metallic products

et al. 2018

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Rapid prototyping (RP) or layered manufacturing (LM) technologies have been extensively used to manufacture prototypes composed mainly of plastics, polymers, paper, and wax due to the short product development time and low costs of these technologies. However, such technologies, with the exception of selective laser melting and sintering, are not used to fabricate metallic products because of the resulting poor life, short cycle, poor surface finish, and low structural integrity of the fabricated parts. The properties endowed by these parts do not match those of functional parts. Therefore, extensive research has been conducted to develop new additive manufacturing (AM) technologies by extending existing RP technologies. Several AM technologies have been developed for the fabrication of metallic objects. These technologies utilize materials, such as Ni-, Al-, and Ti-based alloys and stainless steel powders, to fabricate high-quality functional components. The present work reviews the type of materials used in laserbased AM processes for the manufacture of metallic products. The advantages and disadvantages of processes and different materials are summarized, and future research directions are discussed in the final section. This review can help experts select the ideal type of process or technology for the manufacturing of elements composed of a given alloy or material (Ni, Ti, Al, Pb, and stainless steel).

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Section: Discussion and Findingsmentioning

confidence: 99%

“…Latest trends in laser-aided AM Huang et al [147] fabricated a hybrid Ni/Ti-6Al-4V structural component via an innovative hybrid AM process that combines two effective AM techniques: SLM and cold spraying (CS). A Eulerian model was used to study the deposition behavior of Ni on Ti-6Al-4V.…”

Section: Discussion and Findingsmentioning

confidence: 99%

Review of materials used in laser-aided additive manufacturing processes to produce metallic products

et al. 2018

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“…Experiments in a subsonic hot gas channel were performed by Langener et al [19]. Additive manufactured porous plates for transpiration cooling applications were recently analyzed in [11].…”

Section: Motivationmentioning

confidence: 99%

A Coupled Two-Domain Approach for Transpiration Cooling

König

Rom

Müller

2020

Notes on Numerical Fluid Mechanics and Multidisciplinary Design

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Transpiration cooling is an innovative cooling concept where a coolant is injected through a porous ceramic matrix composite (CMC) material into a hot gas flow. This setting is modeled by a two-domain approach coupling two models for the hot gas domain and the porous medium to each other by coupling conditions imposed at the interface. For this purpose, appropriate coupling conditions, in particular accounting for local mass injection, are developed. To verify the feasibility of the two-domain approach numerical simulations in 3D are performed for two different application scenarios: a subsonic thrust chamber and a supersonic nozzle.

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“…The cooling performance for various test sections, expressed by Liu et al [2], was compared based on the cooling effectiveness of porous plate. So cooling effectiveness of porous plate, Huang et al [18]:…”

Section: Data Reductionmentioning

confidence: 99%

A heat transfer analysis from a porous plate with transpiration cooling

Kılıç

2019

THERM SCI

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Present study is focused on improving heat transfer from a porous plate by cooling of air with transpiration cooling. Effects of Reynolds number of the air channel flow and particle diameter on cooling effectiveness of porous plate and efficiency of system were investigated experimentally. It was observed that increasing Reynolds number of 15.2% causes a decrease of 6.9% on cooling efficiency of the system and a decrease of 8.6% on cooling effectiveness of porous plate. Decreasing particle diameter causes a significant decrease on surface temperature and an increase on cooling effectiveness of porous plate. Difference of cooling effectiveness of porous plate from dp = 40-200 ?m is 12%. Verification of this study was also shown by comparing experimental results of this study with literature.

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Transpiration cooling for additive manufactured porous plates with partition walls

Cited by 67 publications

References 35 publications

Review of materials used in laser-aided additive manufacturing processes to produce metallic products

Review of materials used in laser-aided additive manufacturing processes to produce metallic products

A Coupled Two-Domain Approach for Transpiration Cooling

A heat transfer analysis from a porous plate with transpiration cooling

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