Abstract
On the basis of analysis and generalization of experimental data, a method is proposed for calculating the parameters of the interaction of two coaxial jets flowing in opposite directions from circular nozzles of different diameters.
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Abbreviations
- d, D:
-
diameter of the nozzles for the small- and large-diameter jets
- ρ:
-
density
- x, y:
-
coordinates
- u, U:
-
averaged longitudinal component of velocity of the small- and large-diameter jets
- Lax :
-
distance between nozzles
- q:
-
relative impulse
- G:
-
mass rate of the medium
- 2r:
-
width of the jet
- ℓi, Li :
-
lengths of the flow zones of the small- and large-diameter jets, where i=1, 2
- ℓ:
-
range of the jet
- 2B:
-
distance between corresponding points of lines of maximum velocity of the large-diameter jet
- 0:
-
initial state
- m:
-
maximum value
- ax:
-
value on the axis
- ℓd:
-
large-diameter jet
- y0.5 :
-
distance from the axis to the point at which the velocity is equal to half the velocity on the axis
Literature cited
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Kh. N. Sui and Yu. V. Ivanov, Izv. Akad. Nauk Est. SSR Tekh. Fiz. Mat. Nauk,8, No. 2, 88–96 (1959).
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L. A. Vulis and T. P. Leont'ev, Izv. Akad. Nauk Kaz. SSSR, Ser. Énerg.,9, 109–122 (1955).
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 56, No. 5, pp. 725–729, May, 1989.
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Dvoinishnikov, V.A., Laryushkin, M.A. & Rozhko, A.N. Calculation of the characteristics of countercurrent axisymmetric jets. Journal of Engineering Physics 56, 508–512 (1989). https://doi.org/10.1007/BF01297595
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DOI: https://doi.org/10.1007/BF01297595