搜索结果: 1-15 共查到“工学 jet”相关记录53条 . 查询时间(0.151 秒)
With the federal government planning to hold the largest sale of offshore wind farm leases in the nation’s history, a new Cornell study could help inform the development of offshore wind farms by prov...
High-speed camera captures a water jet’s splashy impact as it pierces a droplet（图）
高速摄像机 水射流 注射药物
2023/6/19
Squirting a jet of water through a drop of liquid may sound like idle fun, but if done precisely, and understood thoroughly, the splashy exercise could help scientists identify ways to inject fluids s...
Discovery could lead to jet engines that run hotter—and cleaner
jet engines run hotter cleaner
2017/2/16
Researchers here have made a discovery in materials science that sounds likesomething from the old Saturday morning cartoon Super Friends: They’ve found a way to deactivate “nano twins” to impro...
Vortex filament simulation of the turbulent coflowing jet
Vortex filament simulation turbulent coflowing jet
2016/5/18
A high resolution grid-free vortex filament scheme is applied to the prediction and simulation of coflowing round jets with a view to acquiring a new perspective on their physics and establishing the ...
High in the sky where the cirrus ice crystal clouds form, jet contrails draw their crisscross patterns. Now researchers have found that these elevated ice cloud trails can influence temperatures on th...
Topography of material made by the application of abrasive water jet technology
abrasive flow feed rate cutting by abrasive water jet
2015/5/5
Water jet cutting technology is widely applicable in all industrial areas in areas where the need for high
dimensional precision machined material. Quality of surface corresponds to the scale from m...
Experimental investigation on traversing hot jet ignition of lean hydrocarbon-air mixtures in a constant volume combustor
Jet Ignition Engine Wave Rotor Combustion
2015/1/12
A constant-volume combustor is used to investigate the ignition initiated by a
traversing jet of reactive hot gas, in support of combustion engine applications that include novel wave-rotor constant-...
Experimental Investigation into Combustion Torch Jet Ignition of Methane-Air, Ethylene-Air, and Propane-Air Mixtures
Torch Jet Hot Gas Jet Ignition Ethylene Methane Propane
2015/1/12
Ignitability and the ignition delay time of a combustible mixture in a long combustion chamber, ignited by a hot combustion torch jet generated in a pre-chamber was investigated experimentally in rela...
A University of Queensland researcher hopes to use a chemical found in lemons and other citrus fruits to make clean, renewable jet fuel.
I present recent results from jets and jet-like correlation measurements from STAR. The pp data are compared to those from Au-Au collisions to attempt to infer information on the medium produced and h...
Jet reconstruction and jet background classification with the ALICE experiment in PbPb collisions at the LHC
Jet reconstruction jet background classification PbPb collisions LHC
2011/7/21
For a quantitative interpretation of reconstructed jet properties in heavy-ion collisions it is paramount to characterize the contribution from the underlying event and the influence of background flu...
Full jet tomography of high-energy nuclear collisions
jet quenching reconstructed jet perturbative QCD
2011/10/11
Abstract: Parton energy loss in the hot QCD medium will manifest itself not only in leading hadron spectra but also in reconstructed jet productions in high-energy nucleus-nucleus collisions. In this ...
A study of the correlations between jet quenching observables at RHIC
Relativistic heavy-ion collisions Quark-gluon plasma Jet quenching, Jet Tomography
2011/10/11
Abstract: Focusing on four types of correlation plots, $R_{\rm AA}$ vs. $v_2$, $R_{\rm AA}$ vs. $I_{\rm AA}$, $I_{\rm AA}$ vs. $v_2^{I_{\rm AA}}$ and $v_2$ vs.\ $v_2^{I_{\rm AA}}$, we demonstrate how ...
Degradation of carbon-based materials under ablative conditions produced by a high enthalpy plasma jet
Graphite C/C Composite Ablation Plasma torch Calorimetric probe
2010/10/25
A stationary experiment was performed to study the degradation of carbon-based materials by immersion in a plasma jet. In the experiment, graphite and C/C composite were chosen as the target materials...
超磁致伸缩致动器式脉冲喷射开关阀性能研究（Performance of Pulsed Jet On-off Valve Based on Giant Magnetostrictive Actuator）
超磁致伸缩致动器 脉冲喷射开关阀 性能分析
2010/12/29
鉴于超磁致伸缩致动器(GMA)的脉冲喷射开关阀性能受致动器结构参数的影响，建立了基于GMA的脉冲喷射开关阀流量与驱动电流之间的物理模型，并采用Matlab进行系统仿真。对比分析了开关阀中不同驱动线圈匝数、涡流时间常数、等效质量对开关阀频响伯德图和时域阶跃响应的影响，从而得到不同参数引起的开关阀工作带宽、响应时间等性能的变化规律，试验表明致动器结构引起的涡流时间常数是影响开关阀工作性能的主要因素，通...