Microtemporal Synchronization System for Ultra‐high‐Speed Photography

1965 ◽  
Vol 37 (6) ◽  
pp. 1216-1217
Author(s):  
Donald Dew ◽  
Paul Moore
Keyword(s):  
High Speed ◽  
High Speed Photography ◽  
Synchronization System ◽  
Ultra High Speed

Role of Fiber Optics in Ultra-High-Speed Photography

1962 ◽  
Vol 71 (2) ◽  
pp. 75-81 ◽  
Author(s):  
N. S. Kapany
Keyword(s):  
Fiber Optics ◽  
High Speed ◽  
High Speed Photography ◽  
Ultra High Speed

scholarly journals Flash! Seeing the Unseen by Ultra-High Speed Photography

1942 ◽  
Vol 32 (5) ◽  
pp. 596
Author(s):  
Paul V. Trovillo ◽  
Harold E. Edgerton ◽  
James R. Killian
Keyword(s):  
High Speed ◽  
High Speed Photography ◽  
Ultra High Speed

Capacitor Discharge Weld Modelling Using Ultra High Speed Photography

1993 ◽  
Vol 314 ◽  
Author(s):  
R. D. Wilson ◽  
J. A. Hawk ◽  
J. H. Devletian
Keyword(s):  
High Speed ◽  
Welding Process ◽  
Travel Speed ◽  
Analytical Models ◽  
High Speed Photography ◽  
Welding Time ◽  
Capacitor Discharge ◽  
Ultra High Speed ◽  
High Cooling Rates ◽  
Weld Area

AbstractCapacitor discharge welding (CDW) is a rapid solidification joining process where high cooling rates (106 K/s) are obtained as a result of the large weld surface area to small weld volume. The objective of this study, directed by the U.S. Bureau of Mines and the Oregon Graduate Institute of Science and Technology, was to use ultra-high speed photography to quantify transient arc behavior during the CDW cycle. The simple cylindrical geometries of the CD welds have been used to formulate analytical models which are compared to the high speed photographs of the welding process. The high speed photographs were analyzed with respect to welding time and process weld variables and compared to predicted values from the analytical model. The detailed photographic analyses revealed that material is continuously ejected as a plasma from the weld area due to induced magnetic forces, rather than having the liquid metal squeezed out of the weld upon contact. It was found that welding time was controlled by tip length and drop height. Results from high speed photographs found the arc travel speed around tube welds to be 109m/s. Finally, the high speed photographs revealed that the velocity of arc propagation during ignition was fast enough to allow the CDW process to be modelled as onedimensional heat flow.

Air spark fiducial for ultra‐high‐speed photography

1973 ◽  
Vol 44 (11) ◽  
pp. 1630-1632 ◽  
Author(s):  
H. M. Graham ◽  
G. A. Leavitt
Keyword(s):  
High Speed ◽  
High Speed Photography ◽  
Ultra High Speed

Evaluation of Characteristics of Transonic Interfacial Fracture Phenomena Using Ultra-high Speed Photography

2000 ◽  
Vol 2000 (0) ◽  
pp. 229-230
Author(s):  
Toshihisa NISHIOKA ◽  
Hidemi MIYAUCHI ◽  
Takehiro FUJIMOTO ◽  
Keigo SAKAKURA
Keyword(s):  
High Speed ◽  
Interfacial Fracture ◽  
High Speed Photography ◽  
Ultra High Speed

Numerical simulation on surface deformation for rotating mirrors of ultra-high-speed photography

2007 ◽  
Author(s):  
Hongbin Huang ◽  
Jingzhen Li ◽  
Xiangdong Gong ◽  
Fengshan Sun ◽  
Bin Hui
Keyword(s):  
Numerical Simulation ◽  
High Speed ◽  
Surface Deformation ◽  
High Speed Photography ◽  
Ultra High Speed

Ultra-high-speed photography

1963 ◽  
Vol 26 (1) ◽  
pp. 269-305 ◽  
Author(s):  
K R Coleman
Keyword(s):  
High Speed ◽  
High Speed Photography ◽  
Ultra High Speed
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