Research on Shockwave Propagation in Hydrogen

2007 ◽  
Author(s):  
Masayuki Murakami ◽  
Yosuke Hemuki ◽  
Shigeru Itoh
Keyword(s):  
High Speed ◽  
High Explosive ◽  
High Speed Camera ◽  
Graph Method ◽  
Camera Image

This paper deals with the propagation of a shockwave in the hydrogen vessel. The aim of this research is the improvement of safety to store hydrogen. The shockwave is generated by the high explosive of the proper quantity and is controlled by a PMMA card gap. The shockwave propagation is visualized by using a high-speed camera image and movie. Shooting procedure is by a shadow graph method. We succeeded in photography of shockwave propagation and combustion phenomenon. Results are then compared with other medium.

Analysis of the High-Speed Camera Image from the Experiment of Space-Debris Impact

2018 ◽  
Vol 2018.54 (0) ◽  
pp. 303
Author(s):  
Michihiro FUJIWARA ◽  
Yoshiyuki UWAMINO ◽  
Honoka TOMIZAKI ◽  
Kanjuro MAKIHARA
Keyword(s):  
High Speed ◽  
Space Debris ◽  
High Speed Camera ◽  
Camera Image ◽  
Debris Impact

scholarly journals 911 Clarification of Characteristic of FRP Gear Meshing with High-speed Camera Image

2009 ◽  
Vol 2009.84 (0) ◽  
pp. _9-11_
Author(s):  
Tomoki OTAWA ◽  
Eiichi AOYAMA ◽  
Toshiki HIROGAKI ◽  
Takahiro KAWASAKI
Keyword(s):  
High Speed ◽  
High Speed Camera ◽  
Camera Image

Numerical and Experimental Study of Destruction of Metal Pipes Through Use of High Explosive

2006 ◽  
Author(s):  
Hideki Hamashima ◽  
Ian Owens Pericevic ◽  
Moji Moatamedi ◽  
Shigeru Itoh
Keyword(s):  
Experimental Study ◽  
Computer Simulation ◽  
Numerical Simulations ◽  
High Power ◽  
High Speed ◽  
High Explosive ◽  
Explosive Loading ◽  
Three Dimensions ◽  
High Speed Camera ◽  
Metal Pipes

Various liquids are commonly transported through metal pipes. For reasons of safety it is important to understand the behavior of pipes when subject to an explosive loading from within. This research paper is concerned with examining the expansion and destruction of metal pipes subjected to a high power explosion by high explosive. An experimental study was carried out for this research and visualized using high-speed camera images. Results were then compared to a computer simulation of the same problem. Numerical simulations are performed in three dimensions using the LS-DYNA code. Results obtained numerically compared well to those from experiment.

LED Traffic Light Detection Using High-speed-camera Image Processing for Visible Light Communication

2011 ◽  
Vol 65 (3) ◽  
pp. 354-360 ◽  
Author(s):  
H. Chinthaka N. Premachandra ◽  
Tomohiro Yendo ◽  
Mehrdad Panahpour Tehrani ◽  
Takaya Yamazato ◽  
Hiraku Okada ◽  
...  
Keyword(s):  
Image Processing ◽  
Visible Light ◽  
High Speed ◽  
Visible Light Communication ◽  
High Speed Camera ◽  
Traffic Light ◽  
Light Detection ◽  
Camera Image
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