針形噴嘴 的英文怎麼說
中文拼音 [zhēnxíngpēnzuǐ]
針形噴嘴
英文
needle nozzle-
As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面，首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質，然後結合撞針型高壓小孔徑離心式噴嘴的結構特點，將其霧化加濕過程分三個階段進行機理上的研究，這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。The influence of needle tip changes on the diesel engine performance
噴油嘴針閥頭形狀變化對柴油機性能的影響We designed five kinds of fluid pipeline and nozzle position and simulated the fluid field to make the bit clear. after comparing the simulation results we chose one better construction of fluid pipeline and nozzle position
為了分析鉆頭的井底流場特性，針對鉆頭的結構設計了五種流道形式和噴嘴組合方式，並分別進行了模擬和分析，最終選擇了一種比較理想的噴嘴布置方式。
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