scholarly journals Two-dimensional transport and wall effects in the thermal diffusion cloud chamber. II. Stability of operation

1997 ◽  
Vol 106 (2) ◽  
pp. 624-634 ◽  
Author(s):  
Anne Bertelsmann ◽  
Richard H. Heist
Keyword(s):  
Thermal Diffusion ◽  
Cloud Chamber ◽  
Two Dimensional ◽  
Wall Effects

On Wall Effects in Cavity Flows

1984 ◽  
Vol 28 (01) ◽  
pp. 70-75
Author(s):  
C. C. Hsu
Keyword(s):  
Numerical Results ◽  
Cavity Flows ◽  
Two Dimensional ◽  
Wall Effects ◽  
Free Jet ◽  
Theoretical Predictions ◽  
Experimental Findings ◽  
Good Agreement

Simple wall correction rules for two-dimensional and nearly two-dimensional cavity flows in closed or free jet water tunnels, based on existing linearized analyses, are made. Numerical results calculated from these expressions are compared with existing experimental findings. The present theoretical predictions are, in general, in good agreement with data.

Turbulent Thermal Diffusion Over a Locally-Heated Two-Dimensional Hill

2010 ◽  
Author(s):  
T. Houra ◽  
Y. Nagano ◽  
M. Tagawa
Keyword(s):  
Thermal Diffusion ◽  
Passive Scalar ◽  
Heated Wall ◽  
Windward Side ◽  
Two Dimensional ◽  
Hill Model ◽  
Mean Temperature ◽  
The Mean ◽  
The Hill ◽  
Heated Case

We measure flow and thermal fields over a locally heated two-dimensional hill. The heated sections on the wall are divided into upstream and downstream portions of the hill model. These sections are heated independently, yielding various thermal boundary conditions in contrast to the uniformly heated case. In the separated region formed behind the hill, it is found that the mean temperature profiles in the uniformly heated case are well decomposed into the separately heated cases. This is because the velocity fluctuation produced by the shear layer formed behind the hill is large, so the superposition of a passive scalar in the thermal field can be successfully realized. The rapid increase in the mean temperature near the uniformly heated wall should be due to the heat transfer near the leeward slope of the hill. On the other hand, the mean temperature distributions away from the wall are strongly affected by the turbulent thermal diffusion on the windward side of the hill.

scholarly journals Vapor transport within the thermal diffusion cloud chamber

2000 ◽  
Vol 113 (17) ◽  
pp. 7398-7405 ◽  
Author(s):  
Frank T. Ferguson ◽  
Richard H. Heist ◽  
Joseph A. Nuth
Keyword(s):  
Thermal Diffusion ◽  
Cloud Chamber ◽  
Vapor Transport

scholarly journals The effect of carrier gas pressure on vapor phase nucleation experiments using a thermal diffusion cloud chamber

1999 ◽  
Vol 111 (18) ◽  
pp. 8496-8502 ◽  
Author(s):  
D. Kane ◽  
S. P. Fisenko ◽  
M. Rusyniak ◽  
M. S. El-Shall
Keyword(s):  
Thermal Diffusion ◽  
Vapor Phase ◽  
Gas Pressure ◽  
Cloud Chamber ◽  
Carrier Gas ◽  
Phase Nucleation

Theoretical Investigations and Numerical Evaluations of Wall Effects in Cavity Flows

1975 ◽  
Vol 97 (4) ◽  
pp. 482-491
Author(s):  
S. Popp
Keyword(s):  
Exact Solution ◽  
Infinite Series ◽  
Cavity Flows ◽  
Two Dimensional ◽  
Cavitating Flows ◽  
Wall Effects ◽  
Numerical Computations ◽  
Hodograph Method ◽  
Shaped Body ◽  
Theoretical Investigations

The wall effects for fully and partially cavitating flows are investigated for both compressible and incompressible two-dimensional jets. The exact solution for Roshko’s model in a channel with a wedge shaped body is obtained and some particular models are studied. The hodograph method as developed by S. V. Falkovitch [19] is used and the solutions are given as infinite series of Chaplygin’s functions. The exact expressions of the drag coefficients for the aforementioned configurations are also given. Numerical computations are carried out for wedges of all angles. Tables and diagrams are included.

Mathematical model of motion of growing droplet in a thermal diffusion cloud chamber

1999 ◽  
Vol 30 ◽  
pp. S73-S74
Author(s):  
S.P. Bakanov ◽  
J. Smoli´k ◽  
Sh.Kh. Zaripov ◽  
V. Zˇdi´mal
Keyword(s):  
Mathematical Model ◽  
Thermal Diffusion ◽  
Cloud Chamber
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