Results 31 to 40 of about 244,829 (147)
UNSTEADY INVESTIGATION OF THE DLR TIC NOZZLE BY DIFFERENT TURBULENCE MODELS [PDF]
, 2007 Afterbodys of launchers and re-entry vehicles are characterized by large base regions submitted to intense back flow, aerodynamic instabilities and pressure fluctuations on the afterbody and on the nozzle region.
Lüdeke, Heinrich
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Applied SciencesTo solve the problems of easy fracture of reaming cutter arms and mechanical jamming leading to equipment damage when mechanical reaming equipment is used for anchor hole reaming in soft rock roadways, this study proposes the development of a high ...
Aolong Liu, Hua Nan, Yida Sun
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Journal of Engineering and Applied Science, 2022 To optimize the optimal nozzle structure and multiple nozzle arrangement for hydrate jet crushing and to promote the development of solid fluidization extraction technology for shallow unconformity hydrate in China’s oceans, the submerged jet flow field ...
Xiaoyu Fang +4 more
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Additive Manufacturing Letters, 2023 We use ultrasound directed self-assembly (DSA) to organize filler dispersed in a viscous medium into concentric circle patterns during continuous flow through an extruder nozzle for additive manufacturing.
Alan Felt, Bart Raeymaekers
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AXISYMMTERIC INVESTIGATION OF THE VAC S6 SHORT NOZZLE WITH FORCED EXTERNAL FLUCTUATION [PDF]
, 2007 The present study examines the nature of separation shocks in over-expanded axisymmetric nozzles at a defined pressure ratio under steady viscous flow conditions.
Lüdeke, Heinrich
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Study on Ladle Baking Process with Oxygen-fuel Combustion [PDF]
Archives of Foundry EngineeringOxygen-fuel combustion instead of air combustion for ladle baking has gradually become a new technology for ladle heating in the iron and steel industry.
Xiaoyao Wang +3 more
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The Altitude Adaptive Dual Bell Nozzle [PDF]
, 2012 The dual bell nozzle has been found out to be one of the most promising concepts for alti-tude adaption of the nozzle jet. The wall contour inflection linking the base nozzle with the ex-tension provides two stable operating modes, circumventing the area
Génin, Ch. +3 more
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Applied SciencesThe paper deals with an experimental investigation of a new approach for cooling the external heat exchange surfaces of a cooler using an air pressure nozzle system.
Marek Lipnický, Zuzana Brodnianská
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Planta Daninha, 2001 O presente trabalho objetivou estudar a uniformidade de distribuição da calda de pulverização contendo herbicidas, em culturas perenes arbustivas, utilizando combinações de pontas de pulverização em barra lateral protegida, conduzida a pequena distância ...
A.C. Furlanetti, T. Matuo, J.C. Barbosa
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Guan'gai paishui xuebao【Objective】Buried telescopic sprinklers are commonly used for irrigating lawns, gardens, and crops. While providing efficient and automated irrigation, they can result in uneven irrigation if not operating under optimal conditions.
ZHENG Rui, DUAN Fuyi, LI Jinshan
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