The book Remarks About Rp Frasers Reports On Jet Research was written by author Kurt Otto Friedrichs Here you can read free online of Remarks About Rp Frasers Reports On Jet Research book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Remarks About Rp Frasers Reports On Jet Research a good or bad book?
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) Whether or not the occurrence of shocks is mainly responsible for the devr'ation from theoretical expecta- tion is still the question. Fraser himself gives a differ- ent explanation: "At 15° and greater divergences it may be tht t the frictional loss in the convergent portion is the more important pert. This causes a consequent drop in the pressure at the throf^. T to below the theoretical critical pressure nnd, therefore, a consequent drop in the pressures along the divergence. The rising mo...uth pressure with increasing divergence must then be attributed to a further departure from the adiabatic expansion in the divergence due to general turbulence rather than wall fric- tion. " Eraser's argument would also hold for nozzles with a smooth throat. It would, therefore, be of interest 'to have experimental evidence about the i erformance of smooth nozzles with wide divergence. The preceding remarks refer to the pressure at the wall. The flow distribution over the cross-section is certainly influenced considerably by the shock fronts.
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