The identification of LDA seeding particles by the phase-Doppler technique

The identification of LDA seeding particles by the phase-Doppler technique Technical notes 137 equated to zero. Solution of the resulting equation gives Acknowledgements af2~2 = 1.256, From Fig. 2 one can see that the dimen- This work was partially supported by the Natural Sciences and sionless velocity attains a maximum value for Y = 1.0 or Engineering Research Council of Canada under Grant A-6340. a ~- 1,256/~ 2. Incorporating the latter into Eq. (5) yields References Gupta, A. K.; Lilley, D. G. 1982: Flowfleld modeling and diagnos- V 0 ~ = I [1 - exp(- 1.256f2)]. (6) tics. Tunbridge Wells, Kent, U.K.: Abacus Press V0in Y Rhode, D. L.; Lilley, D. G.; MacLaughling, D. K. 1982: Mean flow- fields in axisymmetric combustor geometries with swirl. AIAA Equation (6) is plotted in Fig. 2. A good agreement for all the pap. 82-0177 presented at the AIAA 20th Aerospace Science radii except near the circumferential wall is obtained. It is Meeting, Orlando, FL, USA Vatistas, G. H.; Lin, S.; Kwok, C. K. 1986: Theoretical and experi- very possible that the small difference, between the experi- mental studies on vortex chamber flows. AIAA J. 24, 635-642 mental values and Eq. (6) near the circumferential wall, may be due to the wall-probe interference. Experiments in Fluids Springer Journals

The identification of LDA seeding particles by the phase-Doppler technique

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Copyright © 1988 by Springer-Verlag
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
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