Results 51 to 60 of about 159,512 (193)
Stagnation pressure probe [PDF]
, 1974 A method and apparatus for measuring the stagnation pressure of supersonic velocity gas streams without the generation of shock waves which interfere with such measurements are given. The technique is insensitive to the type of gas and Mach number and is
Goodyer, M. J.
core +1 more source
Methane Cluster Fragmentation by Fast Electron Impact
Atoms, 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
A proposed correlation for critical flow rate of water flow
Nuclear 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
Stagnation Hugoniot Analysis for Steady Combustion Waves in Propulsion Systems [PDF]
, 2006 The combustion mode in a steady-flow propulsion system has a strong influence on the overall efficiency of the system. To evaluate the relative merits of different modes, we propose that it is most appropriate to keep the upstream stagnation state fixed ...
Shepherd, J. E., Wintenberger, E.
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Stagnation–saddle points and flow patterns in Stokes flow between contra-rotating cylinders [PDF]
, 1998 The steady flow is considered of a Newtonian fluid, of viscosity mu, between contra-rotating cylinders with peripheral speeds U-1 and U-2 The two-dimensional velocity field is determined correct to O(H-0/2R)(1/2), where 2H(0) is the minimum separation of
Gaskell, P.H. +2 more
core +1 more source
Plasma-Assisted Control of Supersonic Flow over a Compression Ramp
Aerospace, 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
Energies, 2022 This study aims to analyze the aerodynamic interaction between moving vehicles platooning with the change in the platooning conditions on a freeway. The effect of the vortex generated by the forward vehicle reduces the value of the stagnation pressure ...
Junik Jo, Chul-Ho Kim
doaj +1 more source
AN INVESTIGATION OF LIQUID METAL AND GAS FLOW CHARACTERISTICS IN CONFINED ATOMIZATION NOZZLE
Journal 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)]
AIP 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
Energy Reports, 2022 Particle Impact Drilling (PID) is a new technology to effectively improve the rate of penetration (ROP) for oil and gas drilling in hard and strongly abrasive formations.
Weidong Zhou +5 more
doaj +1 more source