Results 301 to 310 of about 242,573 (363)
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American Industrial Hygiene Association Journal, 1975
A mathematical model is proposed to describe the sampling bias in anisokinetic sampling of aerosols. The nozzle sampling bias is described as a function of the particle's free stream inertial parameter, P, and the particle's free stream Reynolds number, Re0, and the suction ratio, w0, of the sampling nozzle.
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A mathematical model is proposed to describe the sampling bias in anisokinetic sampling of aerosols. The nozzle sampling bias is described as a function of the particle's free stream inertial parameter, P, and the particle's free stream Reynolds number, Re0, and the suction ratio, w0, of the sampling nozzle.
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Journal of Ship Research, 1957
The paper deals with the vortex system of the "screw + nozzle" propeller. The results obtained from systematic experiments with propellers in nozzles in which the length-diameter ratio of the nozzle, the number of blades, and the blade-area ratio of the propeller have been varied are discussed.
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The paper deals with the vortex system of the "screw + nozzle" propeller. The results obtained from systematic experiments with propellers in nozzles in which the length-diameter ratio of the nozzle, the number of blades, and the blade-area ratio of the propeller have been varied are discussed.
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Journal of Applied Physics, 1959
The extent of realization of vapor-liquid phase equilibrium in nozzles has been investigated as a function of initial particle size, kinetic parameters, and nozzle dimensions. It has been shown that condensation will occur on already present particles only for very small sizes and/or large nozzles 20–30 in. or more in diameter.
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The extent of realization of vapor-liquid phase equilibrium in nozzles has been investigated as a function of initial particle size, kinetic parameters, and nozzle dimensions. It has been shown that condensation will occur on already present particles only for very small sizes and/or large nozzles 20–30 in. or more in diameter.
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The Calorimeter Nozzle Programme
38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2002When investigating flow phenomena in rocket nozzles, e.g. flow separation and side-load behavior for different nozzle concepts, or when experimentally screening design considerations for advanced nozzle concepts, the initial experimental effort is generally limited to subscale experiments with high quality diagnostics.
Hagemann, G. +6 more
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AIAA Journal, 1998
During the sea-level ignition process of rocket motors, the nozzle is subjected to an overexpanded e ow condition that can cause high side loads. Prediction of the symmetrical separation location is the e rst key step to a determination of the range of possible side-load magnitudes.
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During the sea-level ignition process of rocket motors, the nozzle is subjected to an overexpanded e ow condition that can cause high side loads. Prediction of the symmetrical separation location is the e rst key step to a determination of the range of possible side-load magnitudes.
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Journal of Spacecraft and Rockets, 1971
An analytical method is presented for the design of axisymmetric annular nozzles to yield uniform and axial flow. Computed results are used to display typical matched inner and outer contours, the effects of major initial flow variables, and the resulting wall forces.
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An analytical method is presented for the design of axisymmetric annular nozzles to yield uniform and axial flow. Computed results are used to display typical matched inner and outer contours, the effects of major initial flow variables, and the resulting wall forces.
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The effects of internal nozzle contouring on nozzle performance [PDF]
19th Joint Propulsion Conference, 1983 D. Davis, R. Abel
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Condensation phenomena in nozzles
Heterogeneous Combustion Conference, 1963Abstract The current status of knowledge on condensation phenomena in supersonic nozzles is reviewed for readers primarily concerned with combustion processes. The history and different experimental approaches to the problem are discussed and areas of current applications are pointed out.
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