干旱区生态环境知识资源中心(Arid): Physical aspects of CMAS particle dynamics and deposition in turboshaft engines

Arid

DOI	10.1557/jmr.2020.234
	Physical aspects of CMAS particle dynamics and deposition in turboshaft engines
	Bravo, Luis G.; Jain, Nishan; Khare, Prashant; Murugan, Muthuvel; Ghoshal, Anindya; Flatau, Alison
通讯作者	Bravo, LG
来源期刊	JOURNAL OF MATERIALS RESEARCH
ISSN	0884-2914
EISSN	2044-5326
出版年	2020
卷号	35 期号:17 页码:2249-2259
英文摘要	Gas turbine engines for fixed-wing or rotary-wing aircraft are operated in a variety of harsh weather environments ranging from arctic, volcanic zones, to desert conditions. Operation under these degraded conditions leads to the undesired entrainment of complex particulates resulting in drastic performance losses. Hence, there is a critical need to understand the governing mechanisms to inform the development of durable thermal and environmental barrier coatings. The objective of the current work is to present a novel multiscale physics-based approach to study two-phase flows that take into account the underpinning particle transport and deposition dynamics. Sessile droplet models are presented and used to compute the contact angle at high temperatures and compared with experiments. The study also investigates the sensitivity of deposition patterns to the Stokes number and the results identify local vulnerability regions. The analysis suggests that particle size distributions and the initial trajectories of the particles are critically important in predicting the final deposition pattern.
英文关键词	multiphase flows deposition boundary layer computational fluid dynamics
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000569372400002
WOS关键词	THERMAL BARRIER COATINGS ; SIMULATION ; TURBULENT ; FLOWS ; MODEL
WOS类目	Materials Science, Multidisciplinary
WOS研究方向	Materials Science
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326299
作者单位	[Bravo, Luis G.; Murugan, Muthuvel; Ghoshal, Anindya] US Army, Res Lab, Aberdeen Proving Ground, MD 21005 USA; [Jain, Nishan; Flatau, Alison] Univ Maryland, Dept Aeronaut Engn, College Pk, MD 20742 USA; [Khare, Prashant] Univ Cincinnati, Dept Aeronaut Engn, Cincinnati, OH 45221 USA
推荐引用方式 GB/T 7714	Bravo, Luis G.,Jain, Nishan,Khare, Prashant,et al. Physical aspects of CMAS particle dynamics and deposition in turboshaft engines[J],2020,35(17):2249-2259.
APA	Bravo, Luis G.,Jain, Nishan,Khare, Prashant,Murugan, Muthuvel,Ghoshal, Anindya,&Flatau, Alison.(2020).Physical aspects of CMAS particle dynamics and deposition in turboshaft engines.JOURNAL OF MATERIALS RESEARCH,35(17),2249-2259.
MLA	Bravo, Luis G.,et al."Physical aspects of CMAS particle dynamics and deposition in turboshaft engines".JOURNAL OF MATERIALS RESEARCH 35.17(2020):2249-2259.