Abstract:Deposition studies were conducted using two impingement jet facilities: a 60m/s cold jet (830–950K) impinging on a heated Hastelloy-X surface (1033–1255K) and a 215m/s hot jet (1450–1625K) impinging on an uncooled ceramic target or a cooled thermal barrier coated (TBC) surface (1090–1400K). These can be considered analogs for an internal impingement cooling jet flow and an external nozzle guide vane leading edge flow respectively. Airflows were seeded with 0–10μm Arizona Road Dust and deposition accumulated ov… Show more
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