scholarly journals Efficient numerical scheme based on the method of characteristics applicable to two-dimensional fluid transients

1977 ◽  
Author(s):  
Y.W. Shin ◽  
R.A. Valentin
Keyword(s):  
Numerical Scheme ◽  
Method Of Characteristics ◽  
Two Dimensional ◽  
The Method Of Characteristics ◽  
Fluid Transients

Boundary Layer Closure and Heat Transfer in Constant Base Pressure and Simple Wave Guns

1978 ◽  
Vol 100 (4) ◽  
pp. 690-696 ◽  
Author(s):  
A. D. Anderson ◽  
T. J. Dahm
Keyword(s):  
Heat Transfer ◽  
Boundary Layer ◽  
Layer Thickness ◽  
Boundary Layer Thickness ◽  
Method Of Characteristics ◽  
Simple Wave ◽  
Momentum Equation ◽  
Base Pressure ◽  
Two Dimensional ◽  
The Method Of Characteristics

Solutions of the two-dimensional, unsteady integral momentum equation are obtained via the method of characteristics for two limiting modes of light gas launcher operation, the “constant base pressure gun” and the “simple wave gun”. Example predictions of boundary layer thickness and heat transfer are presented for a particular 1 in. hydrogen gun operated in each of these modes. Results for the constant base pressure gun are also presented in an approximate, more general form.

scholarly journals Calculation of the horizontal two-dimensional unsteady flows by the method of characteristics

2003 ◽  
Vol 25 (1) ◽  
pp. 49-64
Author(s):  
Tran Gia Lich ◽  
Nguyen Minh Son ◽  
Le Viet Cuong
Keyword(s):  
Numerical Experiments ◽  
Method Of Characteristics ◽  
Unsteady Flows ◽  
Equation System ◽  
Characteristic Form ◽  
Two Dimensional ◽  
The Method Of Characteristics ◽  
Venant Equation

This paper will be concerned with the characteristic form of the two dimensional Saint-Venant equation system, the supplementary equations at the boundaries, the methods of characteristics for solving the equation system and some numerical experiments.

Pulse Propagation in Fluid-Filled Elastic Curved Tubes

1981 ◽  
Vol 103 (1) ◽  
pp. 43-49 ◽  
Author(s):  
C. K. Hu ◽  
J. W. Phillips
Keyword(s):  
Method Of Characteristics ◽  
Pulse Propagation ◽  
Elastic Tube ◽  
Governing Equations ◽  
Reflection And Transmission ◽  
Transmission Coefficients ◽  
The Method Of Characteristics ◽  
Continuous Waves ◽  
Fluid Transients ◽  
Inviscid Compressible Fluid

The propagation of fluid transients through elbows is studied. A set of one-dimensional governing equations for the propagation of pressure pulses in an inviscid compressible fluid contained in a thin-walled naturally curved elastic tube is formulated and solved by two different techniques. For continuous waves, reflection and transmission coefficients for elbows are determined numerically by considering periodic waves in an assemblage of straight and curved tubes. For pulse propagation, the method of characteristics is employed to solve the assemblage problem. An experimental arrangement for pulse studies is described and experimental results are compared with numerical results from the method of characteristics.

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