射流式O2（^1△）发生器射流破断长度测量  

Measurement of jet breakup length for jet O_ 2(~1Δ) generator

作　　者：吴宝根[1] 李旭昌[1] 卢锡年[1] 蒋筱筠[1] 李富岭[2] 陈文武[2] 桑凤亭[2] 杨伯龄[2] 

机构地区：[1]中国科学院力学研究所,北京100080 [2]中国科学院大连化学物理研究所,大连110信箱116023

出　　处：《强激光与粒子束》2000年第B11期10-14,共5页High Power Laser and Particle Beams

基　　金：国家863激光技术领域资助课题! (86 3-4 10 -4 -0 2;0 5 )

摘　　要：实验研究了甘油 -水溶液通过用不同加工方法和不同喷管长度 /直径比的喷管形成射流的破断长度。射流的行为与喷管内是层流还是湍流的流动状态关系极大。当射流速度比较大时 ,喷管的缺陷如进口出口的毛刺和流道壁的粗糙度是诱发湍流使射流破断的主要原因。这些结果对化学氧碘激光的射流式 O2 ( 1Δ)发生器的喷管设计和制造提供了有价值的参考。The breakup lengths of jets for glycerine and water solution emerged from the nozzles with the various passage/diameter ratio, and different manufacture methods, were experimentally investigated. The behavior of a jet depends dramatically on the flow state, laminar or turbulent, in the nozzle. The turbulence induced by the defects of nozzle, such as the burr at the inlet and outlet, and the roughness of the wall, is the main cause to decrease the length of intact jet. These results may be helpful to design and manufacture an appropriate nozzle of the jet O 2(1Δ) generators for COIL.

关 键 词：液体射流 射流破断长度 O2(^1△)发生器 

分 类 号：TN248.5[电子电信—物理电子学] O353.5[理学—流体力学]