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对流燃烧     
相关语句
  convective burning
     NUMERICAL ANALYSIS OF CONVECTIVE BURNING FLOW FIELD IN PROPELLANT CRACK
     固体推进剂裂纹对流燃烧流场的数值模拟
短句来源
     A semi closed bomb with 100MPa pressure limits was designed to investigate the ignition transient,flame spreading,and pressure wave propagation in a packed bed of granular propellant charge. The influences of parameters such as propellant properties,porosity,and blow out diaphragm thickness on the convective burning characteristics were examined.
     设计了耐压值为1000MPa的半密闭爆发器,研究了单基发射药颗粒床中的点、传火过程和压力波动现象,考察了实验参数(推进剂特性、空隙率、剪切片厚度等)对多孔床中对流燃烧特性的影响。
短句来源
     The results indicate that the chamber pressurization has strong effects on the convective burning in the crack,crack initiation and fracture patterns.
     结果表明 ,燃烧室升压梯度对裂纹腔内对流燃烧流场、以及裂纹的开裂时间和开裂方式都有很大影响。
短句来源
  convective combustion
     A Model of Steady-State Convective Combustion of Micropore Propellants
     微孔推进剂稳态对流燃烧模型
短句来源
     Experimental studies of the convective combustion of granular propellant beds of 5/7,6/7,7/7 are carried out with ionization probes and piezoelectric transducers in a high pressure combustor.
     用离子探针和压电传感器在高压燃烧器中对5/7、6/7、7/7火药床的对流燃烧过程进行了实验研究。
短句来源
     EFFICTIVE FACTORS FOR CONVECTIVE COMBUSTION BEHAVIOR OF GAS-PERMEABLE PROPELLANTS
     透气性推进剂对流燃烧特性的影响因素
短句来源
     EXPERIMENTAL STUDIES OF CONVECTIVE COMBUSTION IN HIGH-PACKEDLY ENERGETIC GRANULAR BEDS
     高密实含能颗粒床对流燃烧过程的实验研究
短句来源
     AN INVESTIGATION ON CRACK PROPAGATION AND CONVECTIVE COMBUSTION IN SOLID PROPELLANTS
     固体推进剂裂纹对流燃烧和扩展的研究分析
短句来源
更多       
  convection combustion
     The author pointed out that the studies on the destruction of the stable burning of the porous explosives,the convection combustion and the low-velocity state of the explosions are important at present.
     当前尤其要重视研究多孔炸药的稳定燃烧的破坏以及对流燃烧和爆炸的低速状态。
短句来源
  convection burning
     Taking wedge crack in the solid rocket motor(SRM) grain as research object,the convection burning process in crack cavity at the ignition start-up stage was calculated by using 3D governing equations of fluid dynamics and finite volume method.
     以固体发动机药柱内存在的楔形裂纹为研究对象,采用三维流场控制方程,应用有限体积法计算了发动机点火启动阶段裂纹腔内的对流燃烧过程。
短句来源

 

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      convective burning
    Convective burning of pressed aluminum-ammonium perchlorate charges
          
    The convective burning of pressed aluminum-ammonium perchlorate (AP) charges with a porosity of 7 to 18% was studied.
          
    The calculations were performed using a program developed earlier based on a model of the convective burning of aluminum-AP mixtures.
          
    Hydrogen-deficiency can originate from mixing and subsequent convective burning of protons in the deeper layers during a thermal pulse on the post-AGB (VLTP).
          
    Results of numerical modeling of the convective burning of particulate explosive systems in the presence of increasing pressure
          
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      convective combustion
    Convective combustion of aerosuspensions in fuel that contains the oxidant
          
    The convective combustion of porous gunpowder and high explosives is an intermediate stage in the transition from layered combustion to detonation [1, 2].
          
    The theory of convective combustion of such systems is developed in [3-6].
          
    It has now become necessary to analyze the possibility of convective combustion of aerosuspensions.
          
    Necessary conditions for the transition from convective combustion to explosion are obtained.
          
    更多          
      convection combustion
    Heat transfer and convection combustion regimes of porous systems with filtration of heat carrier
          


    The transition from burning to detonation of solid explosives is reviewed in this paper.The author considers that it is a complex,multiple stage,unsteady process.The key point should be the separation of its stage and the physical nature of each stage as well as transitions from one stage to another.The author pointed out that the studies on the destruction of the stable burning of the porous explosives,the convection combustion and the low-velocity state of the explosions are important at present.

    本文对于固态炸药的燃烧转变成爆轰进行了综述。提出由于这是复杂的多阶段不定常过程,因此重点应该放在先分出各个阶段,研究每个阶段以及从一个阶段过渡到另一个阶段的物理实质上。当前尤其要重视研究多孔炸药的稳定燃烧的破坏以及对流燃烧和爆炸的低速状态。

    The convective combustion behaviors and the effective factors of gas-permeable propellants (GPP) on them have been studied. These factors include density of GPP., basic mass burning rates, burning pressure and pore parameters etc.

    研究了透气性推进剂(GPP)稳定对流燃速和对流燃烧转变压力的影响因素。这些因素包括:GPP密度、基础质量燃速、微孔参数及燃烧压力等。通过图象分析仪测定GPP的微孔参数,并用大容量密闭爆发器测定GPP的对流燃烧特性。获得了GPP对流燃烧转变压力主要与初始平均孔径和GPP密度有关的结论。对于所研究的体系,对流转变压力大致上与GPP密度的平方成正比,而与初始孔径成反比。稳定对流燃速的大小则随GPP密度的降低、基础质量燃速的增大、燃烧压力的增大以及平均孔径、孔密度的增大而增大。

    Representative combustion theories of porous permeable propellants of ultra-high burn rate were generalized.They are the convective combustion theory,the two phase flow combustion theory and the inhomogeneous combustion theory.Main viewpoints and results of the theories were introduced.

    概述了有关多孔透气性超高燃速推进剂的代表性燃烧理论,其包括对流燃烧理论、两相流燃烧理论和非均一燃烧理论,介绍了它们的基本观点和主要结果,指出了彼此间的差异。

     
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