Arid
DOI10.1017/aer.2017.48
Experimental investigation of the onset of sand deposits on Hastelloy-X between 1,000 degrees C and 1,100 degrees C
Boulanger, A.1; Hutchinson, J.1; Ng, W. F.1; Ekkad, S. V.1; Keefe, M. J.2; Xu, W.2; Barker, B.3; Hsu, K.3
通讯作者Boulanger, A.
会议名称Conference of the International-Society-of-Air-Breathing-Engines (ISABE)
会议日期2017
会议地点Manchester, ENGLAND
英文摘要

Deposit formation on turbine hardware in propulsion turbine engines can occur in many arid regions globally. Characterising crystalline deposits on metallic substrates can aid in component resilience and health monitor algorithms during particle ingestion. This study has developed two statistical empirical models for prediction from acquired experimental data for the onset of deposits. The prediction models are for crystalline particulate (Arizona Road Test Dust) deposits on a flat rectangular Hastelloy-X test coupon. Particle impingement angles varied between 20 degrees and 80 degrees in experimental flow temperatures of 1,000-1,100 degrees C. Averaged deposits are methodically quantified through normalised particle deposit tallies per area and percent coverage of the surface using microscopic imaging and image processing programs. Deposit accumulation is a quadratic function of both near-surface coupon temperature and coupon angle.


英文关键词Sand deposition turbines Arizona Road Dust
来源出版物AERONAUTICAL JOURNAL
ISSN0001-9240
EISSN2059-6464
出版年2017
卷号121
期号1242
页码1187-1199
出版者CAMBRIDGE UNIV PRESS
类型Article;Proceedings Paper
语种英语
国家USA
收录类别SCI-E ; CPCI-S
WOS记录号WOS:000415153600011
WOS类目Engineering, Aerospace
WOS研究方向Engineering
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/306505
作者单位1.Virginia Tech, Coll Engn, Dept Mech Engn, Blacksburg, VA 24061 USA;
2.Virginia Tech, Coll Sci, Dept Stat, Blacksburg, VA USA;
3.Rolls Royce Corp, Indianapolis, IN USA
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Boulanger, A.,Hutchinson, J.,Ng, W. F.,et al. Experimental investigation of the onset of sand deposits on Hastelloy-X between 1,000 degrees C and 1,100 degrees C[C]:CAMBRIDGE UNIV PRESS,2017:1187-1199.
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