Flow Characterization of a Detonation Gun Facility and First Coating Experiments
Flow Characterization of a Detonation Gun Facility and First Coating Experiments
复制标题
爆轰枪设施的流动特性和首次涂层实验
DOI:
10.1007/s11666-014-0083-4
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发表时间:
2014
影响因子:
3.1
通讯作者:
H. Olivier
中科院分区:
文献类型:
--
作者:
C. Henkes;H. Olivier
A computer-controlled detonation gun based spraying device has been designed and tested to obtain particle velocities over 1200 m/s. The device is able to be operated in two modes based on different flow-physical principles. In one mode, the device functions like a conventional detonation gun in which the powder is accelerated in a blast wave. In the other mode, an extension of the facility with a nozzle uses the detonated gas for an intermittently operated shock tunnel process in which the particles are injected into and accelerated by a quasi-steady high enthalpy nozzle flow with high reservoir conditions. Presented are experimental results of the operation without nozzle in which the device generates moderate to high particle velocities in an intermittent process with a frequency of 5 Hz. A hydrogen/oxygen mixture and Cu and WC-Co (88/12) powders are used in the experiments. Operation performance and tube outflow are characterized by time-resolved Schlieren images and pressure measurements. The particle velocities in the outflow are obtained by laser Doppler anemometry. Different substrate/powder combinations (Al/Cu, Steel/Cu, Al/WC-Co, and Steel/WC-Co) have been investigated by light microscopy and measurements of microhardness.
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DOI:
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发表时间:
1994
期刊:
影响因子:
--
作者:
K. Hanjalic;I. Smajević
通讯作者:
I. Smajević
DOI:
--
发表时间:
1990
期刊:
影响因子:
--
作者:
A. Abe;K. Takayama
通讯作者:
K. Takayama
DOI:
--
发表时间:
2008
期刊:
International Thermal Spray Conference
影响因子:
--
作者:
Y. Kharlamov
通讯作者:
Y. Kharlamov
DOI:
--
发表时间:
2000
期刊:
影响因子:
--
作者:
Padmanapan Saravanan;V. Selvarajan;D. S. Rao;S. Joshi;G. Sundararajan
通讯作者:
G. Sundararajan
DOI:
--
发表时间:
1993
期刊:
影响因子:
--
作者:
J. Kim;K. Chang
通讯作者:
K. Chang