Study of pulsating flow in close-coupled catalyst manifolds using phase-locked hot-wire anemometry

Study of pulsating flow in close-coupled catalyst manifolds using phase-locked hot-wire anemometry Phase-locked sampling has been applied to hot-wire anemometry in order to investigate the pulsating flow inside two types of automotive exhaust manifolds fitted with a close-coupled catalyst. An isothermal dynamic flow bench has been used to compare the catalyst velocity distribution in steady operation to crank-angle resolved velocity distributions measured in pulsating flow. The latter were obtained using phase-locked averaging. A rotating valve and a cylinder head were used to generate the pulsating flow. Experimental results proved the addition principle, i.e. the time-averaged velocity distribution in pulsating flow is proportional to a specific linear combination of velocity distributions, resulting from steady flow through each runner. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Study of pulsating flow in close-coupled catalyst manifolds using phase-locked hot-wire anemometry

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Publisher
Springer-Verlag
Copyright
Copyright © 2004 by Springer-Verlag
Subject
Engineering
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-003-0683-0
Publisher site
See Article on Publisher Site

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