Results 11 to 20 of about 27,631 (264)

Nonlinear Dynamics of Adaptive Gun Head Jet System of Fire-Fighting Monitor

open access: yesIEEE Access, 2020
The working medium of the adaptive gun head jet system of fire-fighting monitor is generally water containing a little bit of air. During the operation, the pressure pulsation of the fluid will cause the fluctuation of the equivalent stiffness of the gas-
Xiaoming Yuan   +3 more
doaj   +1 more source

Improved Turbulence Prediction in Turbomachinery Flows and the Effect on Three-Dimensional Boundary Layer Transition

open access: yesInternational Journal of Turbomachinery, Propulsion and Power, 2018
For the numerical prediction of turbomachinery flows, a two-equation turbulence model in combination with a proper transition model to account for laminar boundary layers and their transition to turbulence is state of the art.
Christoph Bode   +3 more
doaj   +1 more source

Plasma Gas Temperature Control Performance of Metal 3D-Printed Multi-Gas Temperature-Controllable Plasma Jet

open access: yesApplied Sciences, 2021
The aim of the study was to design and build a multi-gas temperature-controllable plasma jet that can control the gas temperature of plasmas with various gas species, and evaluated its temperature control performance.
Yuma Suenaga   +6 more
doaj   +1 more source

Grinding Fluid Jet Characteristics and Their Effect on a Gear Profile Grinding Process

open access: yesInventions, 2017
Profile gear grinding is characterized by a high level of achievable process performance and workpiece quality. However, the wide contact length between the workpiece and the grinding wheel is disadvantageous for the fluid supply to the contact zone and ...
Philip Geilert   +2 more
doaj   +1 more source

Jetting of Complex Fluids [PDF]

open access: yesJournal of Imaging Science and Technology, 2013
Recent results from a number of UK academic inkjet research studies advance the understanding of complex fluid jetting behavior and may be of interest to the wider digital fabrication community for the enhancement of inkjet printing applications.
Stephen D. Hoath   +13 more
openaire   +1 more source

Investigation of thrust vector angle control law based on micro-turbojet engine

open access: yesAIP Advances, 2022
The fluid thrust vectoring nozzle has a fixed profile, few moving parts, and lightweight structure, providing effective flight control for high maneuvering aircraft. The nonlinear control law of the jet deflection angle is one of the critical problems of
Shaoqing Chi   +3 more
doaj   +1 more source

Design, Modeling and Simulation of a Liquid Jet Gyroscope Based on Electrochemical Transducers

open access: yesMicromachines, 2021
We propose a novel liquid jet gyroscope based on electrochemical transducers, which uses electrolyte as the jet medium, and two electrochemical transducers placed symmetrically as the velocity measuring unit.
Dapeng Yang   +7 more
doaj   +1 more source

Optimization of the taper angle of the jetter confuser used for reversible blast cleaning of propellers from corrosion

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2021
It is shown that it is very effective to remove corrosion products from various surfaces, including the metal surface of the propeller, using the new technology of reverse-jet cleaning (RJC) developed by the authors.
V. S. Kovalevich   +4 more
doaj   +1 more source

Numerical Simulation of Entrainment by Jet Flow Characteristics in Spray Semi-dry Desulfurization Tower

open access: yes发电技术, 2018
The characteristics of entrainment by jet flow in the spray semi-dry flue gas desulphurization tower have an important influence on the mixing of the flue gas and the absorbent in the tower and the uniform distribution of the flow field.
Ling QIN   +5 more
doaj   +1 more source

Distribution limit of jet flow in the same and dissimilar phases of ambient fluid [PDF]

open access: yesعلوم و مهندسی آبیاری, 2016
In this article we studied the distribution limits of jet injection in the same phase and dissimilar phase ambient. To achieve the proposes of this research a physical model was set upped consist of experimental flume and related accessories, circular ...
Samira Salman Zade, Javad Ahadian
doaj   +1 more source

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