Abstract
Single and two-layered substrate thin film
gages allow the determination of wall heat flux
when testing in short duration blowdown wind
tunnel.
A numerical data reduction technique is
proposed and validated to solve the unsteady heat
conduction equation with multiple layer substrates.
Then, different methods for the determination
of the thermal properties of single or two-layered
substrates are applied and compared. Finally, the
numerical technique and the determined thermal
properties are used to perform measurements on a
stator blade using two-layered thin film gauges.
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