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推进剂     
相关语句
  propellant
    HIGH-ENERGY STORABLE LIQUID PROPELLANT (AMINE HYDRAZINE-10 AND NITRIC ACID-40S)
    高能可贮性液体推进剂(胺肼-10与硝酸-40S)
短句来源
    THE APPLICATION OF HIGH NEW-TECHNIQUE IN THE DEVELOPMENT OF SOLID PROPELLANT(Ⅱ)
    高新技术在固体推进剂发展中的应用(Ⅱ)
短句来源
    Forming Technology for AP/CMDB Propellant
    AP/CMDB推进剂的成型工艺
短句来源
    Especially the difference is more obvious in the experiments of the high temperature. But the result is same as the "171" propellant around 100 centigrade. The article test the chemical stability through the different method and estimate the safety store age is more than 15 years of the new modified double-base propellant.
    新型高燃速改性双基推进剂由于配方中含有较多的硝化甘油和新型的燃烧催化剂,其化学安定性比一般双基推进剂安定性差一些,特别是试验温度较高时,这种差别更为明显,但是在100℃左右的温度下,其试验结果与171火药相似,本文通过采用不同的方法对这种推进剂的安定性进行了测试,预估这种新型的改性双基推进剂的安全贮存寿命可达15年以上。
    In the experimental research on several catalyst group,the burning rate of screw extrusion modified nitramine double base propellant reaches to 27mm/s(10MPa, + 20℃) While keeping high energy and high density. The plateau effect is also obtained over a wide range of pressure of 10-20MPa.
    通过对多个催化剂组合进行试验研究,在保持高能量及高密度的前提下,使螺压硝胺改性双基推进剂的燃速达到27mm/s(10MPa、+20℃)以上,并且在较宽的压力范围内(10-20MPa)获得了平台效应。
更多       
  propellants
    Review on the measuring methods for a static burning rate of composite solid propellants
    复合固体推进剂静态燃速测试方法述评
短句来源
    Study on Effect of Different Processing Conditions on Combustion Performance of Casting-CMDB Propellants
    工艺条件对浇铸 CMDB 推进剂燃烧性能的影响研究
短句来源
    The Assessment of Pressure Temperature Coefficient of Solid Rocket Propellants
    评估固体推进剂压强温度系数的方法
短句来源
    ,2003 International Autumn Seminar on Propellants, Explosives and Pyrotechnics
    “2003国际推进剂、炸药、烟火技术秋季研讨会”在桂召开
短句来源
    Progress in the Application of Nano Aluminum Powder in Solid Propellants
    纳米铝粉在固体推进剂中的应用进展
短句来源
更多       
  propellent
    Experimental Study of Structural Strength and Residual Life for Missile Propellent Tanks
    导弹推进剂贮箱结构强度及剩余寿命实验研究
短句来源
    A new type thermoplastic polyurethane elastomer for using as binder in solid propellent were prepared with melt prepolymerization method based on ethylene oxide tetrahydrofuran random copolyehter,isophorone diisocyanate and 1,4 butanediol.
    基于端羟环氧乙烷 -四氢呋喃无规共聚醚、异佛尔酮二异氰酸酯以及 1,4-丁二醇 ,采用熔融二步法合成了一系列新型的用于固体推进剂的热塑性聚氨酯弹性体。
短句来源
  propellant containing
    High Energy Composite Propellant Containing ADN and HNF at Abroad
    国外含ADN或HNF的高能复合推进剂
    Studies on Foundational Formulation of Composite Modified Double Base Propellant Containing RDX and its Burning Rate
    含RDX改性双基推进剂基础配方及其燃速探索
    The results show that the relative thermal stability of the propellant containing 1,3-dimethyl-1,3-diphenyl urea (C2) and CdO (A), the propellant containing resorcin (ReS), C2 and CdO (B) and the propellant containing C2 and Res (C) decreases in the order A>B>C.
    结果表明:含1,3 二甲基 1,3 二苯脲(C2)和CdO的推进剂(A)、含间苯二酚(ReS)、C2和CdO的推进剂(B)和含C2和ReS的推进剂(C)的相对热安定性的降低次序为:A>B>C。
短句来源
    The storage in closed environment is an effective way for improving the stability and extending the storage life of the propellant containing ReS.
    密闭储存是改善含ReS推进剂安定性和延长该推进剂储存寿命的有效途径。
短句来源

 

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      propellant
    Analysis and operational results show that the control system can meet all technical requirements for high energy composite solid propellant manufacturing.
          
    Comprehensive Substantiation of the Structure and Parameters of a Power-Propellant System for a Spacecraft
          
    The conceptual and methodological principles, as well as some results of the comprehensive substantiation of a technical approach at early stages of design of power-propellant systems (PPS), are presented.
          
    The time of turn is minimized, as well as the functional having a meaning of the propellant consumption.
          
    The estimations of the propellant consumption for a realization of the programmed turn are made.
          
    更多          
      propellants
    An experimental method for determination of critical conditions of condensation of metal propellants of electric jet engines (EJEs) on the surfaces of materials of spacecraft thermoregulating covers is presented.
          
    Mechanism of combustion of fire-extinguishing propellants based on potassium nitrate
          
    A study is made of one-dimensional nonstationary problems of the combustion and detonation of aerosuspensions of unitary fuels or propellants, which contain the oxidant as well as the combustible material (gunpowder, high explosives).
          
    The temperature of attainable superheating of rocket propellants is also calculated by the theory of homogeneous nucleation.
          
    It is demonstrated that the employed kinetic model of thermochemical processes provides an adequate description of the available experimental data on the rate of combustion of AP- and PBR-based solid propellants.
          
    更多          
      propellent
    It is verified that the constitutive model with damage proposed can more accurately estimate the stress response of a class of viscoelastic particle-reinforced composite, such as solid propellent, than the constitutive model without damage.
          
    The rheological behaviour of plastic propellent in rocket motor situations is simulated in an experimental technique.
          
    In this a differential gas pressure is applied across a plug of propellent in a rigid tube so as to deform it in an approximately telescopic shear fashion.
          
    The rheological properties of plastic propellent have been examined by means of a technique in which gas pressures are used to stress a plug of propellent pressed into a rigid tube.
          
    The application of these superposed results to predict propellent behaviour is discussed.
          
    更多          
      propellant containing
    Survivor curves forBacillus subtilis var.Niger spores were determined during cure within à solid propellant containing a saturated hydrocarbon binder.
          
    Using a scanning electron microscope and an x-ray microprobe analyzer, we investigated the structure and composition of the combustion surface of the N propellant containing catalysts (PbO2, CuO, PbO2+CuO) which was extinguished at various pressures.
          
    Attention is focused on the ignition delay and flame-propagation velocity for a flat sample of a solid propellant containing ammonium perchlorate and hydroxyl-terminated polybutadiene.
          
    The effect of gaseous combustion environment on particle size distribution and chemical compositions of condensed combustion products of a model propellant containing ammonium perchlorate, binder, and 23.4% aluminum was studied.
          
    A dose of propellant containing the suspended particles of drug enters the metering valve.
          
    更多          


    The long metal wires not only embedded in solid propellant grain by castingbut also by extruding. This paper reports (1) the method and principle of longmetal wires embedded in double-base propellant grains by continuous extruding,(2) the influence of bare metal wires embedded in double-base propellant grainon propellant combustibility and some problems of the charge produced by embed-ded bare metal wires, (3) the influence of coating metal wires embedded inpropellant grain on propellant combustibility, and...

    The long metal wires not only embedded in solid propellant grain by castingbut also by extruding. This paper reports (1) the method and principle of longmetal wires embedded in double-base propellant grains by continuous extruding,(2) the influence of bare metal wires embedded in double-base propellant grainon propellant combustibility and some problems of the charge produced by embed-ded bare metal wires, (3) the influence of coating metal wires embedded inpropellant grain on propellant combustibility, and (4) the ballistic performanceof the charge improved by embedded coating metal wires and so on.

    本文报导了用挤压法将长金属丝连续嵌入双基推进剂药柱中的原理和嵌入裸金属丝的这类推进剂燃烧性能及工艺问题对弹道性能的影响,以及涂层金属丝的性能规律,对解决裸金属丝所产生问题的效果。

    The present paper described the experimental equipment of the transparent window chamber and the method of data reduction in detail.Using the equipment, No.1 solid propellant is tested.By the regression analysis, the Curves of the burned propellant dimension VS.time are acquired. Further reducing, the experience equations of the erosive ratio VS the velocity of the gas flow are acquired.

    本文详细地叙述了视窗实验装置及数据处理方法。使用本装置,对No.1固体推进剂进行了实验。通过回归分析,得出一条已燃厚度对时间的曲线。进一步处理得出侵蚀此对流速的经验方程。

    In this paper a new erosive criterion--p~av criterion is presented,based on analgsis of five kinds of double base propellants. This new erosivecfiterion is universally applicable for all kinds of propellants. The crit-erions in common use, such as "velocity criterion", "mass flux criterion","Pobedonostsev number criteoion", are only applied to some propellantsrespectively. Moreover these criterions are a special condition of the p~avcriterion. In this paper, a discrimination method of erosive-burning-crit-erion...

    In this paper a new erosive criterion--p~av criterion is presented,based on analgsis of five kinds of double base propellants. This new erosivecfiterion is universally applicable for all kinds of propellants. The crit-erions in common use, such as "velocity criterion", "mass flux criterion","Pobedonostsev number criteoion", are only applied to some propellantsrespectively. Moreover these criterions are a special condition of the p~avcriterion. In this paper, a discrimination method of erosive-burning-crit-erion is also afforded and to which criterion a certain solid propellantwill be suitable. Finally, a calculation method of interior ballistics ofp~av. criterion is discussed, The result of calculalion is in satisfactoryagreement with the resuit of the test.

    本文在分析双石-2、双铅-2、双钴-2、PT-12、171-30五种双基推进剂侵蚀特性基础上,提出一个对各种推进剂普遍适用的p~αv侵蚀准则。常用的流速准则、密流准则、波别多诺斯切夫数准则,都只能适用于某些推进剂,而且它们仅仅是p~αv准则的一个特例。本文还提出了推进剂适用于什么侵蚀准则的判别方法。最后讨论了p~αv准则的内弹道计算方法、计算与实验结果吻合较好。

     
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