Ram Accelerators: Proceedings of the Third International Workshop on Ram Accelerators Held in Sendai, Japan, 16–18 July 1997

Front Matter....Pages I-XI
Front Matter....Pages 1-1
The ram accelerator: overview and state of the art....Pages 3-23
Ram accelerator performance modeling....Pages 25-37
Real gas effects in ram accelerator propellant mixtures: theoretical concepts and applied thermochemical codes....Pages 39-52
Front Matter....Pages 53-53
High acceleration experiments using a multi-stage ram accelerator....Pages 55-64
RAMAC in subdetonative propulsion mode: State of the ISL studies....Pages 65-77
Presentation of the rail tube version II of ISL’s RAMAC 30....Pages 79-87
The behaviour of fin-guided projectiles superdetonative accelerated in ISL’s RAMAC 30....Pages 89-95
High performance ram accelerator research....Pages 97-104
Ignition study for low pressure combustible mixture in a ram accelerator....Pages 105-109
Thermally choked operation in a 25-mm-bore ram accelerator....Pages 111-118
37-mm bore ram accelerator of CARDC....Pages 119-122
Front Matter....Pages 123-123
Real gas effects on thermally choked ram accelerator performance....Pages 125-134
Numerical investigation on subdetonative mode ramjet-in-tube....Pages 135-142
On the optimization of thermally-choked ram accelerator systems....Pages 143-150
Prediction of surface heating of a projectile flying in RAMAC 30 of ISL....Pages 151-158
Ram accelerator optimization and use of hydrogen core to increase projectile velocity....Pages 159-166
Analysis and experimental results of a fin stabilized subcaliber projectile with a blunt step in the external propulsion accelerator....Pages 167-178
Front Matter....Pages 179-179
Effects of launch tube shock dynamics on initiation of ram accelerator operation....Pages 181-188
Overview of the subdetonative ram accelerator starting process....Pages 189-203
Diaphragm rupturing processes by a ram accelerator projectile....Pages 205-213
Front Matter....Pages 179-179
Numerical simulation of the unsteady processes in starting period of ram accelerator....Pages 215-221
RAMAC 90: detonation initiation of insensitive dense methane-based mixtures by normal shock waves....Pages 223-231
Front Matter....Pages 233-233
Comparison of numerical simulations and PLIF imaging results of hypersonic inert and reactive flows around blunt projectiles....Pages 235-242
Comparisons of numerical methods for the analysis of unsteady shock-induced combustion....Pages 243-254
On the detonation initiation by a supersonic sphere....Pages 255-262
Experimental observation of oblique detonation waves around hypersonic free projectiles....Pages 263-270
Numerical prediction of envelope oscillation phenomena of shock-induced combustion....Pages 271-278
Front Matter....Pages 279-279
Experimental investigation of ram accelerator flow fields and combustion kinetics....Pages 281-294
Accelerating hydrogen/air mixtures to superdetonative speeds using an expansion tube....Pages 295-302
Front Matter....Pages 303-303
Numerical simulations of unsteady ram accelerator flow phenomena....Pages 305-312
Numerical investigation of ram accelerator flow field in expansion tube....Pages 313-323
CFD computations of steady and non-reactive flow around fin-guided ram projectiles....Pages 325-332
Ignition of a reactive gas by focusing of a shock wave....Pages 333-339
Back Matter....Pages 341-345