Abstract

Supersonic nonsymmetric plane nozzles, which are characterized mainly by centered compression and rarefaction waves, were constructed earlier in [1]. An intensive compression wave is undesirable in a number of cases, because of the possibility of boundary-layer detachment on the nozzle walls, for instance. Hence, some constraints on the pressure gradient, for example, the condition that the pressure does not grow at the walls, must be included in the formulation of the problem. The presence of this last condition distinguishes the results in [1] only by the fact that the centered compression waves in the nozzles are replaced by constant parameter sections. Considered below under identical conditions are nonsymmetric nozzles with compression waves, with constant parameter sections, and, also, known nozzles with a straight lower wall for comparison.

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