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Study on the Propagation Law of Explosion Shock Waves in Closed Variable-Section Tube Under High-Pressure Environment
PurposeThe combination of high-pressure air and TNT in shock tubes can effectively simulate real nuclear explosions and conventional weapon explosion...
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Numerical Analysis of Blast Behavior for Non-ideal Explosive ANFO in Shock-Tube Test
In an explosion test using a shock tube, the behavior of pressure waves can be reproduced with high reliability. However, the explosion in a shock...
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An experimental study of shock transmission from a detonation tube
An experimental evaluation of the transmission of shock waves from a detonating gas mixture in a 0.5-in-inner-diameter open-ended tube into an inert...
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Flame image velocimetry: seedless characterization of post-reflected-shock velocities in a shock-tube
AbstractThe use of a laser-ignited expanding flame as a virtual particle for seedless velocimetry of a flammable mixture is described and...
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Modeling and Simulation of a Shock Driving Gas Jet Laden with Dense Extinguishant Particles Through a Tube with a Tail Nozzle
In this study, we proposed a new concept of shock wave driving fire extinguishing system (SWDES), which works using a pulsed shock-induced...
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Interaction of Shock Tube Generated Blast Wave with a Rectangular Object at Two Pressure Ratios: Numerical Simulations and Their Comparison
The generation of blast waves and their interaction with different objects is an essential topic of research recently to minimize damages and...
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Design of Shock Absorber for Radioactive Coolant Tube Transportation Cask and Impact Analysis of Cask with Shock Absorber
Radioactive coolant tube transportation cask has been designed for in-house storing of full-length pressure tube of 220 MWe PHWR. The existing...
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Surface Pressure Reconstruction in Shock Tube Tests Using the Virtual Fields Method
This study investigates full-field, dynamic pressure reconstruction during shock-structure interactions using optical measurements and the virtual...
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Effect of operating temperature on the performance of expansion joints between tube and tube plate
The strength of the joint between the heat exchange tube and the tube plate affects the performance and operation cycle of the heat exchanger....
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Shock Characteristics and Protective Design of Equipment During Spacecraft Docking Process
The shock loads generated by spacecraft during docking can cause functional failure and structural damage to aerospace electronic equipment and even...
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Research on Intelligent Control of Tube Bender
With the rapid development of precision forming technology today, tube bending has become an important direction to maintain the steady development...
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Thermal Shock and Residual Strength Testing of SiC/SiC Composite Braided Tubes
BackgroundCeramic matrix composites are promising materials for high temperature application in aerospace and nuclear engineering. In these...
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Numerical Studies on the Temperature and Pressure Changes of a Maglev Train Surface Moving Dynamically in a Vacuum Tube
The existence of the vacuum tube train can improve the efficiency of transportation. However, the complex aerodynamic phenomena cause drastic...
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Formability and failure response of AA5052-H32 thin sheets with friction stir spot welds during the shock tube-based impact forming
In the present study, both the experimental and numerical investigations are carried out to understand the dynamic forming behavior of friction stir...
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Effect of Supersonic Shock Wave Loading on Thin Metallic Sheets: Experimental and Numerical Studies
Defence structures are under high threat of blast loading in recent years due to rising terrorist activities. Protection of defence structures...
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Design and characterization of the Sandia free-piston reflected shock tunnel
A new reflected shock tunnel capable of generating hypersonic environments at realistic flight enthalpies has been commissioned at Sandia. The tunnel...
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Vortex Ring Formation Following Shock Wave Diffraction in Low-Pressure Environments
Compressible vortex rings have been widely investigated for decades under ambient atmospheric conditions, and understanding this transient phenomenon...
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Numerical and experimental study on the refrigeration performance of a variable-section gas wave oscillation tube
This paper introduces the refrigeration cycle process of the gas wave oscillation tube (GWOT). Aiming at the problem that the strong reverse...
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Numerical simulation and experimental study on axial compression electromagnetic bulging of aluminum alloy tube
Aiming at the problem pertaining to small area at the end of the tube and the asynchronous rate of traditional mechanical forming and electromagnetic...
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Fundamental of Shock Waves and Shock Tube
A shock wave is a thin transitive area propagating at supersonic speed (Mach no., Ms > 1), and it is characterized by an abrupt change in flow...