Affiliations: Department of Mechanical and Production Engineering,
Niigata University, 8050 Ikarashi-2, Niigata, 950-2181, Japan.
Tel: +81-25-262-6726; FAX: +81-25-262-6726; E-mail:
[email protected]
Abstract: This paper reports a velocity measurement technique using PIV for
application to a luminous flame in a spray combustor. The present system
consists of a standard PIV system, a rotary shutter and a band-pass filter, the
combination of which removes the influence of the high intensity of the
luminous flame. The effectiveness of the rotary shutter is studied by changing
the shutter speed from 2 ms to 37 ms. The simultaneous observation of the
velocity field and the flame structure was carried out in the combustor model
for a boiler. The measured velocity field indicates that the exit velocity from
the burner is increased by chemical reactions, but the flow pattern inside the
combustor is kept similar to that without combustion.