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Theory of Characteristics
The theory of characteristics will be presented generally for quasilinear differential equations of the second order in two variables. This is necessary because of the manifold requirements to be demanded from the theory of characteristics.
Date:
September 1949
Creator:
Tollmien, W.
System:
The UNT Digital Library
Rotationally Symmetric Potential Flows
This paper includes the following topics: 1) Characteristic differential equations; 2) Treatment of practical examples; 3) First example: Diffuser; and 4) Second Example: Nozzle.
Date:
November 1949
Creator:
Schäefer, Manfred & Tollmien, W.
System:
The UNT Digital Library
Two-Dimensional Potential Flows
Contents include the following: Characteristic differential equations - initial and boundary conditions. Integration of the second characteristic differential equations. Direct application of Meyer's characteristic hodograph table for construction of two-dimensional potential flows. Prandtl-Busemann method. Development of the pressure variation for small deflection angles. Numerical table: relation between deflection, pressure, velocity, mach number and mach angle for isentropic changes of state according to Prandtl-Meyer for air (k = 1.405). References.
Date:
November 1949
Creator:
Schäefer, Manfred & Tollmien, W.
System:
The UNT Digital Library