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《Acta Armamentarii》 2002-01
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Yang Qingwen Qu Yukun Zhang Xuehua (Artillery Academy, PLA)  
Experimental apparatus was established for the cutting of concrete with the premixed abrasive water jet in submerged and unsubmerged conditions. Parameters affecting the depth of cut, such as the driving pressure, stand off distance, traverse velocity of the jet and abrasive density were studied The cutting property in unsubmerged condition is compared with that under submerged condition It is found that the stand off distance of the jet has much influence on the depth of cut in submerged condition With an increase in the stand off distance, the depth of cut in submerged condition decreases faster than that in unsubmerged condition The driving pressure, traverse velocity and abrasive density have less variety in the two conditions for the depth of cut A guidance is thus provided in the development of new underwater cutting technology
【CateGory Index】: TU528
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