Results 31 to 40 of about 489 (111)

A proposed correlation for critical flow rate of water flow

open access: yesNuclear Engineering and Technology, 2015
A new correlation predicting the idealized critical mass-flow rates of water for subcooled and saturated liquid water including two-phase water flow was developed for a wide range of upstream stagnation pressures (e.g., 0.5–20.0 MPa).
Yeon-Sik Kim
doaj   +1 more source

Methane Cluster Fragmentation by Fast Electron Impact

open access: yesAtoms, 2023
We investigate the fragmentation of the CH4 cluster by fast electron impact at stagnation pressures from 0.5 bar to 16 bar. By measuring the time of flight spectrum (TOF), two types of ions, including (CH4)n−1CH5+ and (CH4)n−2(C2Hm)+, are observed.
Shuncheng Yan   +3 more
doaj   +1 more source

Plasma-Assisted Control of Supersonic Flow over a Compression Ramp

open access: yesAerospace, 2019
This study considers the effect of an electric discharge on the flow structure near a 19.4° compression ramp in Mach-2 supersonic flow. The experiments were conducted in the supersonic wind tunnel SBR-50 at the University of Notre Dame.
Yasumasa Watanabe   +2 more
doaj   +1 more source

AN INVESTIGATION OF LIQUID METAL AND GAS FLOW CHARACTERISTICS IN CONFINED ATOMIZATION NOZZLE

open access: yesJournal of Engineering, 2005
Supersonic gas jets in confined liquid metal atomizing nozzle were studied by using the method of characteristics. Nitrogen at operation (stagnation) pressure of (1.65Mpa) was used in the study, with three different values of ambient pressure (1.25, 1 ...
Ihsan Y. Hussain
doaj   +1 more source

Comment on “Jet propulsion by microwave air plasma in the atmosphere” [AIP Adv. 10, 055002 (2020)]

open access: yesAIP Advances, 2020
In this Comment, we analyze the performance of a microwave plasma device presented by Ye et al. [AIP Adv. 10, 055002 (2020)]. The efficiency analysis, using conservation of energy, shows that the methods used by the original authors predict up to 8000 ...
Peter L. Wright   +3 more
doaj   +1 more source

Research on the critical instability mechanism of water and sand inrush based on the steady-state mining-induced fracture degradation model

open access: yesMeitan kexue jishu
The deterioration of the thin bedrock mining crack channel under the loose layer induces sudden water and sand inrush disasters, which seriously threatens the safe production of the mine.
Guibin ZHANG   +4 more
doaj   +1 more source

COLD SPRAY DEPOSITION EFFICIENCY CONTROL OF PROTECTIVE AND RESTORATIVE COATINGS ON MAGNESIUM ALLOYS

open access: yesАвіаційно-космічна техніка та технологія, 2018
The crucial task of developing the technology of low pressure cold gas–dynamic spraying and its wide application in the aviation, automotive and other industries is the possibility of obtaining coatings with given properties and deposition efficiency as ...
Александр Владимирович Шоринов   +1 more
doaj   +1 more source

Imitation Study on Flow Field of Nozzle Jet of Single Hole Oxygen Lance

open access: yesTeshugang, 2007
The numerical simulation of jet flow field of inner and out of Laval tube has been carried out by commercial software CFX4. 4, and the fluid flow distribution of axis symmetry turbulence jet out of tube with different stagnation pressure was analyzed to ...
刘坤, 朱苗勇, 高茵, 李艳杰
doaj  

Control of Reynolds number in a high speed wind tunnel [PDF]

open access: yesJournal of Aerospace Technology and Management, 2009
A conceptual control model for the Reynolds number test based on isentropic relations was established for the supersonic wind tunnel. Comparison of the system response of the model simulation and the actual wind tunnel test data was made to design the ...
Maurício G. Silva   +2 more
doaj  

Influencing factors in the stagnation of the Baiu front that induced heavy rainfall in July 2020 over Kyushu, Japan

open access: yesScientific Reports, 2023
The influencing factors of the long-term stagnation of the Baiu front that induced heavy rainfall in July 2020 over Kyushu, Japan, were examined. In July 2020, the position of the Baiu front from a weather chart at 130° E remained stationary over Kyushu ...
Qoosaku Moteki
doaj   +1 more source

Home - About - Disclaimer - Privacy