喷流

本文的主要结论如下：1.封闭空间内撞击火焰噪声主要由射流火焰噪声、喷流噪声及撞击区火焰噪声组成。

The conclusions are as follows : 1 . Impinging flame noise in enclosed space consists of jet flame noise , jet-flow noise and flame noise from impinging flame zone .

研究结果证明，饱和液体喷流冲击沸腾的临界热流密度取决于液体物性、滞止冲击速度和喷流直径。

The study results indicate that the critical flow-flux density of the saturated fluid jet-flow impingement boiling depends on the physical properties of the liquid , stagnation impingement speed and jet flow diameter .

射电星系X射线喷流的观测等。

The X-ray jets identified by Chandra observations .

COIL亚声速段横向喷流混合流场数值分析

Numerical simulation on the flow field of COIL mixing nozzle with injection from subsonic region

高Sc数下湍流喷流混合流的初步实验观测

A preliminary experimental investigation of turbulent jet mixing flow in high sc number

MPI燃料供给方式的天然气喷流计算模型

Calculating Model of Natural Gas Jet Used in MPI System

我们讨论了关于E，演化的各种辐射机制模型，包括伽玛暴的喷流进动。

We discuss the predictions of various radiation models regarding Ep evolution , as well as the possibility of a precession jet in GRBs .

河外天体喷流的观测研究&Ⅱ.在R和I波段观测到的三个河外天体延伸物的特性

Observational Investigations of Jets of Extragalactic Objects ⅱ . Properties of the Extended Media of Three Extragalactic Objects Observed in the R and 1 Bands

MPI方式压缩天然气喷流的研究

Research on compressed natural gas jet with MPI system

描述了用直流弧放电等离子体喷流CVD法来合成金刚石薄膜的过程。

After investigation of DC plasma jet CVD technique , we design the DC plasma jet array .

高频VLBI观测揭示出河外射电源在pc或者亚pc尺度上大都有核-喷流的内部结构。

VLBI observations at high frequencies show that most of extragalactic radio sources have a nucleus-jet structure on pc or sub-pc scales .

后缘喷流对三角翼绕流影响的N-S方程数值分析

Numerical Investigation of Trailing Edge Jet Effects on Flows Around Delta Wing Using Navier-Stokes Equations

在飞秒强激光与高密度Ar团簇喷流中相互作用的实验研究中，通过瑞利散射信号，我们观测到了非常显著的激光频谱的兰移和展宽。

Experiments have been done using Rayleigh scattering light to characterize femto-second laser pulse propagation in dense Argon cluster jet , including ionization induced spectral blue-shifting and defocusing .

本文用数值方法求解N-S方程，模拟了二种带侧向喷流控制的喷流与绕流的干扰流场。

In this paper , two kinds interaction flowfields with lateral control jet are studied numerically by solving N-S equations .

所得结果支持AGN的相对论喷流模型。

These results support the relativistic beaming model .

Hale-Bopp彗星喷流结构的周期变化

Periodic Variation in the Jet Structure of Comet Hale-Bopp

本文对喷流强声装置进行了研究，应用计算流体力学软件FLUENT模拟喷流湍流流场；

The dissertation mainly discussed the experiment on jet intensity sound device , in the dissertation , the author apply the CFD software & FLUENT to simulate jet turbulence field .

并用此模型，利用实验数据，进一步提出了计算起始喷流速度U（msf）和相间质量交换系数的经验关联式。

By using the model in combination of experimental data obtained , an empirical correlation for minimum spouting gas flow velocity and interphase mass exchange coefficient was obtained .

采用一种有限体积的TVD格式模拟喷流产生的启动激波在有限空间内的运动过程。

A kind of finite volume TVD Scheme is used to numerically simulate the motion of shock wave projecting into a confined space .

在IRS1南边发现的H2喷流暗示该区域有一个南北向的外流。

An H 2 jet feature emanating to the south of IRS 1 implies a N S outflow in the region .

c.攻角、喷流压比、喷流马赫数、来流边界层状态等内、外流参数变化对横向喷流干扰效应的影响分析。

Finally , the qualitative and quantitative effect of parameters such as attack angle , pressure ratio of jet , Mach number of jet and state of boundary layer on lateral jet interaction are analyzed in detail .

除了不寻常的喷流，NGC1097还有更多的有趣特征。

These unusual jets are not the galaxy 's only intriguing feature .

在本文中，我们主要关注讨论得最多的活动星系核，特别是blazar天体中的喷流过程。

In this present paper , we focus on the radiative processes of AGN , especially blazar 's jets mostly discussed yet .

利用TVD有限体积格式〔1〕数值模拟了弹体超声这绕流与底喷流相互干扰的复杂流场。

In this paper , the complex flowfield induced by the interaction between the supersonic flow around the body and base jet has been numerically simulated by TVD finite volume schemes .

其计算结果表明二阶迎风TVD格式较好地模拟了波系和涡系结构，为研究含侧喷流炮弹的增程机理以及参数设计提供了一定的参考价值。

Calculation result proved the better simulation of wave and vorticity by upwind TVD . It is of reference value to both the mechanism of extended range projectile with jet interaction and parameter design .

本文描述了一种新的声学整流效应现象，当Helmholtz共振腔内部声源以共振频率激振时，整流以一股湍流喷流形式发生。

This paper describes a new phenomenon of acoustic streaming , which ta-kes place when a Helmholtz resonator is excited by an inside sound source with resonant frequency , and takes the form of a turbulent jet .

如果Hale-Bopp彗星的自转周期为12h左右，根据27次测定得到喷流的平均速度为（599±34）m/s。

As the rotation period of Comet Hale-Bopp is about 12 hours , the average velocity of jets was determined at ( 599 ± 34 ) m / s according to 27 measurements .

随后介绍了大气层内的KKV关键技术问题，并重点分析讨论了光学窗口与气动光学、喷流干扰效应、复合力控制等技术研究内容。

The window and aero optical technology , jet interaction , composition control technology of varied forces and so on , are emphatically discussed .

利用非定常N-S方程数值求解技术，计算了大气层内高超音速拦截弹带多个横向喷流的瞬态干扰流场，为拦截弹瞬态多侧向喷流的精确控制力建模提供了理论参考依据。

Transient interaction flow field of the multi-lateral jet hypersonic interceptor in the aerosphere was calculated by means of unsteady Navier-Stokes equations . The calculation results can provide theoretical reference to building precise control force model of the multi-lateral jet interceptor .

第三章主要介绍了blazar天体中常用的几个理论模型，包括同步自康普顿模型、相对论喷流模型、统一模型和演化模型。

In chapter three we review the element theoretical models of blazar , which include the SSC model , the relativistic jet model , the unify scheme and the evolution model of blazar .