jet tube 中文意思是什麼
jet tube
解釋
沖壓噴氣發動機-
Jet impingement cooling is an advantage method in heat transfer enhancement owing to its extremely high local heat transfer coefficient and simple structure. as regard as the combustor flame tube cooling structure is concerned, the impingement - converse convection - film composite cooling is an effective method, in this composite cooling structure, the impingement cooling problem could be modeled as impingement inside semi - confined channel
對于沖擊-逆向對流-氣膜復合冷卻的火焰筒結構而言，火焰筒壁面冷氣側的沖擊冷卻實質上是半封閉通道的沖擊冷卻，即沖擊射流從沖擊孔板噴出，沖擊到換熱靶面后形成壁面射流沿通道單方向流出。 -
The main object of this dissertation is to set up a temperature measurement system of thermochromatic liquid crystals. furthermore, a twisted tape is inserted into the tube to produce rotary jetting, and rotary jet impingement heat transfer is studied
本論文研究的目的是建立一套熱色液晶測溫系統，在管內插入扭轉帶，產生以二氧化碳為工質的旋轉射流，然後採用液晶測溫技術對旋轉射流沖擊冷卻換熱進行研究。 -
In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style
本文對脈動射流的型式及其對激波、管內流動及冷效應的影響進行了較系統的理論和實驗研究，主要包括:探討了脈動射流的型式對形成管內激波形成及激波強度的影響，給出了不同脈動射流的型式下振蕩管開口端初始間斷的類型，對初始間斷進行了分解，導出了包含進氣、排氣參數及工質物性參數的管內入射激波馬赫數mj的表達式，給出了管內激波形成的三種原因及其所對應的脈動射流型式和具體的工作狀態。 -
The coupling from the pulse jet in the nozzle to the unsteady flow in the tube was discussed. and the relations between the parameters of gas charge and discharge, structure, working, flowing in tube and ideal cooling efficiency were established. the theory foundation of the influence of pulse jet on the flowing in the tube and characteristic would be built
探討了脈動射流與管內非定常流動的耦合問題，建立了脈動射流有關參數如進、排氣參數、結構參數、運行參數等和振蕩管內流動參數及理想製冷效率之間的普遍聯系，為研究脈動射流參數對振蕩管內流動及其性能的影響打下了理論基礎。 -
For the velocity survey the pitot-static tube is moved around the jet, and the dynamic pressure is measured at numerous stations.
為了測量速度，可把皮托靜壓管放在試驗段內各個地方並測量多點上的動壓。 -
It shows that the network, affected by stream of water, superposes each other leading to the jet of detonator energy cavity and metal fragments which can break the nonel - tube without transmitting detonation yet, so as to make the detonation transmission in some local network break off and bring about misfire
結果表明，受紊亂水流影響，導爆管網路相互疊加，比較凌亂，致使傳爆雷管產生的聚能射流和碎片容易將尚未傳爆的導爆管切斷或打破，而使局部網路爆轟傳遞中斷，造成拒爆現象的發生。 -
The relations between the parameters of gas charging and exhausting, heat quantity through the shell of tube ( q ), the length of the tube ( l ), the ratio of gas charging time to gas exhausting time ( ), the frequency of the jet flow ( f ), the ratio of the expansion ( ), the nature of thermal separator and the unsteady flow in the tube were established
建立了進、排氣參數、管壁散熱量（ q ） 、管長（ l ） 、充、排氣時間比（ ） 、射流頻率（ f ） 、膨脹比（ ）等參數與熱分離機性能及管內非定常流動的關系，並分析了有關因素對熱分離機性能的影響。 -
The design of the pick - up tube accords to the research on the roto - jet pump by other people in china and a new type model is designed
集流管的設計參照了目前國內對集流管的研究並提出了一種改進型的集流管模型。 -
The pick - up tube is one of the most important overflowing parts, and its design result will directly influent the efficiency of the roto - jet pump
集流管是旋噴泵的重要的過流部件，它的設計的好壞直接影響到旋噴泵的效率。 -
And then, some improvements have been made on the old single tube pressure wave refrigerator experimental system. the experimental research, such as the ratio of gas charge time to gas exhaust time ( ), the frequency of the jet flow ( f ), the ratio of the expansion ( ), the length of the tube ( l ) and the heat transfer condition, has been carried out on the improved experimental system. the results were drawn as the following : the refrigerating efficiency will be heightened by augmenting when is in 0. 0405 to 0. 1842 ; the highest cooling efficiency will be
實驗考察了有關因素對製冷效率和最佳射流頻率（ fopt ）的影響並進行了理論分析，結果表明，在= 0 . 0405 ~ 0 . 1842范圍內，製冷效率（ ）隨的增大而提高;隨射流頻率（ f ）的變化出現多個峰值，在本文實驗參數范圍內下，第二個峰值點的效率比第一個峰值點高;隨著膨脹比（ ）的增大，和fopt都略有增大，且低下的增幅比高下的大;強化管外換熱，可使fopt降低、明顯提高。 -
When the pulsating jet was introduced in the heat exchanger, pulsating flow leads to the formation of an amount of vortices near the tube wall. the boundary layer was destroyed and the mixing of liquid was improved, so heat transfer enhancement was achieved
將自激振蕩脈沖射流引入換熱器后，流體的脈動導致了壁面處旋渦的大量生成，增加了流體的摻混，實現強化換熱的目的。 -
The influences of the inlet tube angle, backpressure and driving jet velocity on static pressure distribution in the gas - solid injector are calculated, and the effects of the inlet tube angle on particle bulk phase concentration and axial mean speed of particles in the gas - solid injector are analyzed firstly. the predicament caused by lack of measuring means on the particle velocity in experiments is solved
分析了收縮角、背壓和氣體噴嘴出口速度對氣固噴射器內靜壓分佈的影響，以及收縮角對氣固噴射器內固體顆粒體積濃度場和顆粒平均速度的影響，解決了噴射器內固體顆粒速度試驗測試手段缺乏的困境。 -
Experiment of the postmixed abrasive jet cleaning oil tube coating
后混式磨料射流清洗油管塗料的實驗研究 -
Then, a twisted tape is inserted the tube to produce rotary jetting, and rotary jet complex enhanced heat transfer for carbon dioxide jetting in air is studied by the thermochromatic liquid crystals temperature measurement system
在此基礎上，在管內插入扭轉帶產生旋轉射流，採用熱色液晶測溫系統對二氧化碳為工質的旋轉射流復合強化傳熱進行了研究。
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