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Design and calibration of a facility for film cooling research

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Porter, JS and Sargison, JE and Henderson, AD (2007) Design and calibration of a facility for film cooling research. In: 16th Australasian Fluid Mechanics Conference, 2-7 December, 2007, Crown Plaza, Gold Coast, Australia.

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Abstract

An existing open circuit wind tunnel has been modified to
incorporate a secondary supply loop to provide controlled flow
conditions at the inlet to a film cooling hole model. The primary
or crossflow fluid enters from atmosphere through a smooth two
dimensional contraction before entering the working section. The
newly constructed supply loop has a single inlet from a high
pressure source, in-line blower, and a 600mm long rectangular
passage working section. Various film cooling geometries can be
installed to connect the supply loop passage to the main wind
tunnel working section. The installation of the supply loop
enables variation of cooling hole inlet conditions, including
crossflow velocity, mass flow rate, and flow direction. Detailed
flow measurements were made to establish uniformity of flow in
the supply passage and accurate control of coolant mass flow. A
range of operating conditions have been established and
calibrated for use in subsequent research.

Item Type: Conference or Workshop Item (Paper)
Page Range: pp. 87-93
Date Deposited: 07 Apr 2008 15:02
Last Modified: 18 Nov 2014 03:37
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