標題: Titlebook: Ram Accelerators; Proceedings of the T K. Takayama,A. Sasoh Conference proceedings 1998 Springer-Verlag Berlin Heidelberg 1998 Normal.compu [打印本頁] 作者: 風(fēng)俗習(xí)慣 時間: 2025-3-21 17:55
書目名稱Ram Accelerators影響因子(影響力)
書目名稱Ram Accelerators影響因子(影響力)學(xué)科排名
書目名稱Ram Accelerators網(wǎng)絡(luò)公開度
書目名稱Ram Accelerators網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Ram Accelerators被引頻次
書目名稱Ram Accelerators被引頻次學(xué)科排名
書目名稱Ram Accelerators年度引用
書目名稱Ram Accelerators年度引用學(xué)科排名
書目名稱Ram Accelerators讀者反饋
書目名稱Ram Accelerators讀者反饋學(xué)科排名
作者: 絕食 時間: 2025-3-21 23:13 作者: 大吃大喝 時間: 2025-3-22 01:06
Ignition study for low pressure combustible mixture in a ram acceleratorhe ram acceleration section, gas mixture colder (less-energetic) than it in the ignition tube is used to accelerate the projectile in sub-detonative mode. A 56 m/s velocity gain has been observed in a 2 m long ram acceleration section with 1.4CH.+2O.+4.3CO. mixture at 0.45 MPa.作者: Indicative 時間: 2025-3-22 05:13 作者: lattice 時間: 2025-3-22 10:44
On the optimization of thermally-choked ram accelerator systemsce of including existing practical, system-connected limitations in the optimization procedure is demonstrated using illustrative examples. It is concluded that significant performance gains can be achieved by applying optimization techniques at the preliminary design stage of such systems.作者: 易達到 時間: 2025-3-22 15:30 作者: 口味 時間: 2025-3-22 19:25
ed tools for generating fluid dynamcis data in supersonic reacting systems. They require the combined action of combustion, wave systems and turbulence and are still a serious challenge for physicists and engineers. This book will serve as an introductionary textbook on ram accelerators and gives a 作者: 小說 時間: 2025-3-23 01:05 作者: pessimism 時間: 2025-3-23 04:50
Ram accelerator performance modelinggenerated by the ram accelerator propulsive modes. Experimental results are predicted very well by assuming that the flow is thermally choked behind the projectile while its velocity is below about 90% Chapman-Jouguet detonation speed. The subsequent upsweep in thrust observed in experiments is anti作者: scotoma 時間: 2025-3-23 09:34 作者: 擁護者 時間: 2025-3-23 11:13
High acceleration experiments using a multi-stage ram accelerator50 gm) projectile geometry was developed that can be reliably accelerated up to the Chapman-Jouguet detonation speed of the propellant in a 38 mm bore ram accelerator. Experiments were performed in CH./O./He propellants wherein Mach number and heat release of combustion were varied to obtain very hi作者: 可商量 時間: 2025-3-23 15:34
RAMAC in subdetonative propulsion mode: State of the ISL studies ram tube is a smooth cylindrical bore, filled with a dense gaseous reactive mixture in which is injected a supersonic under-calibrated projectile. The mixture composition and projectile shape are two key-elements for the success of the ram process. Composed preferably by an axisymmetric biconical b作者: 琺瑯 時間: 2025-3-23 20:30
Presentation of the rail tube version II of ISL’s RAMAC 30ccelerator, has generated considerable interest over the last years in different countries. In Prance, ISL has performed among other experiments in a 30-mm-caliber ram accelerator, called RAMAC 30, mainly at superdetonative flight speeds. As accelerator tube a ram-tube equipped with rails for guidin作者: Radiation 時間: 2025-3-23 23:28
The behaviour of fin-guided projectiles superdetonative accelerated in ISL’s RAMAC 30ube closed at its ends by diaphragms, the ram accelerator, has generated considerable interest over the last years in different countries: especially in the United States, Israel, Japan, Prance and others. In Prance, the ISL performed, among others, experiments in a 30-mm-caliber ram accelerator, ca作者: cortex 時間: 2025-3-24 03:01 作者: fidelity 時間: 2025-3-24 08:44
Ignition study for low pressure combustible mixture in a ram acceleratoriversity to study the ignition process under a sub-detonative condition. Because of the low fill pressure (around 0.5MPa) in ram acceleration section, it’s hard to ignite the premixed combustible gas which has the appropriate mixing ratio to keep the combustion behind the projectile in thermal choki作者: homocysteine 時間: 2025-3-24 11:09
Thermally choked operation in a 25-mm-bore ram acceleratorotal length of the ram acceleration tube is 6 m. It uses a powder gun as a pre-accelerator. The propellant mixture is supplied through a system composed of mass flow controllers and backpressure regulators. Pressure signals are recorded through multiplexer systems, thereby saving the number of chann作者: 大范圍流行 時間: 2025-3-24 17:34
37-mm bore ram accelerator of CARDCly-choked mode) has been demonstrated, and projectiles are accelerated from 1,100 m/s to 1,450 m/s through a 4.8m-long accelerator, with averaged acceleration ranging from 7,000 to 11,000 g. Description of this 37-mm ram accelerator facility is given in this paper, together with typical results of c作者: 完成才會征服 時間: 2025-3-24 21:25 作者: Constrain 時間: 2025-3-25 00:55 作者: Spinal-Tap 時間: 2025-3-25 05:08
On the optimization of thermally-choked ram accelerator systemsstribution along the multistage launcher. Two different approaches to the problem are presented and demonstrated: a) the practical approach, in which the solution is based on a finite number of available mixtures whose thermo-ballistic properties are known, and b) the mathematical approach, in which作者: EXTOL 時間: 2025-3-25 07:34 作者: Colonnade 時間: 2025-3-25 14:06
Ram accelerator optimization and use of hydrogen core to increase projectile velocitydrogen core technique for ram accelerator operation between 3 and 7 km/s. Projectile structural design is studied; hollow, solid and two-material projectiles made of Mg, Al, Ti, steel, Ta and Re are analyzed to determine the maximum accelerations which can be reached. These projectiles are then anal作者: optional 時間: 2025-3-25 16:57
Ram accelerator performance modelingroat and that the aerodynamic drag can be determined independently. These propulsive mode models enable straight-forward evaluation of the performance potential of many different ram accelerator configurations.作者: Hiatal-Hernia 時間: 2025-3-25 21:23
Numerical investigation on subdetonative mode ramjet-in-tubelow and equilibrium chemical reaction computation was tested. The various theoretical and experimental results encountered in the available technical literature were confronted with the numerical modelling developed in the present paper and the results correlated well.作者: JOT 時間: 2025-3-26 02:35
Ram accelerator optimization and use of hydrogen core to increase projectile velocitye of a hydrogen core in the ram accelerator tube to reduce the heat flux to the projectile is studied. A new vortex technique is presented. With a projectile with a Ta or Re shell in a hydrogen core, one should be able to make the projectile survive up to launch velocities of 7 to 10 km/s.作者: Esophagus 時間: 2025-3-26 06:19
Presentation of the rail tube version II of ISL’s RAMAC 30g smooth cylindrical projectiles was in use. In 1993 and 1994 the rail tube version I with four rails and since beginning of 1997 the rail tube version II with five inner rails is tested. In 1995 and 1996 the smooth bore technique was proved and the results are presented by Patz et al. (1997).作者: 粗俗人 時間: 2025-3-26 09:45
High performance ram accelerator researchtrance velocity requirements and by eliminating unnecessary components such as vent sections. This paper summarizes these effects and presents continuing large caliber experimental efforts towards developing “high performance” ram accelerators.作者: 青春期 時間: 2025-3-26 12:39 作者: wreathe 時間: 2025-3-26 17:04 作者: 返老還童 時間: 2025-3-27 00:42 作者: CERE 時間: 2025-3-27 02:32
C. Knowlen,A. Sasohizes questions of power and expertise relating to education.This encyclopaedia is a dynamic reference and study place for students, teachers, researchers and professionals in the field of education, philosophy and social sciences, offering both short and long entries on topics of theoretical and pra作者: Chemotherapy 時間: 2025-3-27 05:51
P. Bauer,J. F. Legendre,M. Henner,M. Giraudizes questions of power and expertise relating to education.This encyclopaedia is a dynamic reference and study place for students, teachers, researchers and professionals in the field of education, philosophy and social sciences, offering both short and long entries on topics of theoretical and pra作者: compassion 時間: 2025-3-27 13:22
fields of research and study within the geosciences. It covers the fundamentals of geology and engineering where the two fields overlap and, in addition, highlights specialized topics that address principles, concepts and paradigms of the discipline, including operational terms, materials, tools, te作者: 婚姻生活 時間: 2025-3-27 15:57 作者: Urgency 時間: 2025-3-27 18:23
M. Giraud,J. F. Legendre,M. Hennerhe discipline.Comprehensive insights into the relevance and .This volume addresses the multi-disciplinary topic of engineering geology and the environment, one of the fastest growing, most relevant and applied fields of research and study within the geosciences. It covers the fundamentals of geology作者: Observe 時間: 2025-3-28 01:14
F. Seiler,G. Patz,G. Smeets,J. Srulijesfields of research and study within the geosciences. It covers the fundamentals of geology and engineering where the two fields overlap and, in addition, highlights specialized topics that address principles, concepts and paradigms of the discipline, including operational terms, materials, tools, te作者: 改變立場 時間: 2025-3-28 03:39 作者: ironic 時間: 2025-3-28 08:35
D. L. Kruczynskifields of research and study within the geosciences. It covers the fundamentals of geology and engineering where the two fields overlap and, in addition, highlights specialized topics that address principles, concepts and paradigms of the discipline, including operational terms, materials, tools, te作者: ostrish 時間: 2025-3-28 12:26 作者: Acquired 時間: 2025-3-28 16:20 作者: plasma-cells 時間: 2025-3-28 21:42
Liu Sen,Z. Y. Bai,H. X. Jian,X. H. Ping,S. Q. Bufields of research and study within the geosciences. It covers the fundamentals of geology and engineering where the two fields overlap and, in addition, highlights specialized topics that address principles, concepts and paradigms of the discipline, including operational terms, materials, tools, te作者: Highbrow 時間: 2025-3-29 02:30 作者: 集中營 時間: 2025-3-29 06:46
D. L. Buckwalter,C. Knowlen,A. P. Brucknerfields of research and study within the geosciences. It covers the fundamentals of geology and engineering where the two fields overlap and, in addition, highlights specialized topics that address principles, concepts and paradigms of the discipline, including operational terms, materials, tools, te作者: Compass 時間: 2025-3-29 08:10 作者: 持久 時間: 2025-3-29 12:29
X. J. Wang,E. Spiegler,Y. Timnatfields of research and study within the geosciences. It covers the fundamentals of geology and engineering where the two fields overlap and, in addition, highlights specialized topics that address principles, concepts and paradigms of the discipline, including operational terms, materials, tools, te作者: mosque 時間: 2025-3-29 16:13
F. Seiler,F. Gatau,G. Mathieuhe discipline.Comprehensive insights into the relevance and .This volume addresses the multi-disciplinary topic of engineering geology and the environment, one of the fastest growing, most relevant and applied fields of research and study within the geosciences. It covers the fundamentals of geology作者: nostrum 時間: 2025-3-29 22:13 作者: Hyperopia 時間: 2025-3-30 00:01 作者: 錫箔紙 時間: 2025-3-30 06:26 作者: 吸引力 時間: 2025-3-30 10:50
A. P. Bruckneriences. The encyclopaedia privileges the "theory of practice", recognizing that education as a discipline and activity is mainly a set of professional practicesthat inherently involves questions of power and expertise for the transmission, socialization and critical debate of competing norms and values.978-981-287-588-4作者: hypotension 時間: 2025-3-30 16:21 作者: 一窩小鳥 時間: 2025-3-30 19:53
P. Bauer,J. F. Legendre,M. Henner,M. Giraudiences. The encyclopaedia privileges the "theory of practice", recognizing that education as a discipline and activity is mainly a set of professional practicesthat inherently involves questions of power and expertise for the transmission, socialization and critical debate of competing norms and values.978-981-287-588-4作者: overreach 時間: 2025-3-30 23:20
M. Giraud,J. F. Legendre,M. Hennery defined contributions are broadly and clearly explained..The Encyclopedia of Engineering Geology provides a ready source of reference for several fields of study and practice including civil engineers, geolog978-3-319-73568-9Series ISSN 1388-4360 Series E-ISSN 1871-756X 作者: 因無茶而冷淡 時間: 2025-3-31 03:14 作者: 哪有黃油 時間: 2025-3-31 08:18 作者: HEW 時間: 2025-3-31 11:54 作者: 休戰(zhàn) 時間: 2025-3-31 14:56
Real gas effects in ram accelerator propellant mixtures: theoretical concepts and applied thermochem data provided through extensive ram accelerator experiments. It offers a large frame of calculations, based on several equations of state. Other codes were also used for this purpose, including simple methods of calculation. These codes are currently dealing with a variety of equations of state. Th作者: 松雞 時間: 2025-3-31 19:09
RAMAC in subdetonative propulsion mode: State of the ISL studies the same gas handling, gas chromatography and data acquisition system in order principally to study the scaling effects. These two ram facilities recently received some important modifications among which the installation of new preaccelerators allowing enhanced RAMAC entrance performances, i. e. t作者: neolith 時間: 2025-3-31 23:01
The behaviour of fin-guided projectiles superdetonative accelerated in ISL’s RAMAC 30dy with hydrogen and methane based gas mixtures. Unfortunately, the thrust has been very small and significant acceleration could not be obtained Damage of projectile was observed on x-ray pictures, especially of the fins, probably by melting and burning when magnesium, aluminum or titanium alloys h作者: pellagra 時間: 2025-4-1 02:50
