orifice discharge 中文意思是什麼
orifice discharge
解釋
銳孔流出；銳孔流量-
( 6 ) according to the relation of pressure and discharge of different orifice aperture from the experiments. the largest available length of lateral pipes was calculated, and the combined method of varied orifice aperture and equal discharge in lateral line was discussed
（ 5 ）根據實測的不同孔徑的壓力流量關系，計算了允許最大毛管長度，並在理論上對變孔徑等流量毛管組合方法進行了探索。 -
Improvement of the orifice discharge coefficient may not result in stability improvement as illustrated in one test series.
由一系列的試驗說明，噴孔流量系數的改善並沒有導致穩定性的改進。 -
The paper described the building process of model that can identify the shock - absorber parameter of landing gear and at the same times optimize performance of system. in this paper, there are also some debate, it include identifying parameter which can not be measured, such as the air polytropic exponent and the orifice discharge coefficient of shock - absorber
本文利用復合形優化演算法建立了起落架緩沖系統參數識別與系統優化模型，對緩沖器空氣壓縮多變指數和油孔流量系數等不可測參數的識別和著陸、滑跑載荷多目標優化問題進行了討論。 -
( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air, it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole, major pressure - loss was occurred at the ahead part of half pipe. the pressure uniformity reduced with orifice aperture ? increasing, and the relationship between pressure uniformity and initial water pressure was poor. running under the initial water pressure of 1. 5 meter, the discharge uniformity reduced with orifice aperture ? increasing, and when the orifice aperture smaller than or equal 1. 0mm, irrigation uniformity could achieve above 0. 6
（ 3 ）通過對空氣介質中簡易地下滴灌的微孔毛管試驗研究發現： 60m管長的毛管平均壓力水頭的位置基本上在距第一孔口的有效管長40 - 45的地方；大部分水頭損失發生在毛管的前半部分；壓力均勻度隨孔徑的增大而減小，但與初始工作水頭關系不密切；在1 . 5m以下的工作壓力下運行，沿程出流均勻度隨孔徑的增大而降低，當孔徑不大於1 . 0mm時，灌水均勻度可以達到60以上；當孔徑大於等於1 . 2mm時，灌水均勻度低於50 。 -
Abstract : various measurement methods of the capacity of gas discharge forpiston type compressor are analized and compared. the orifice choke device that is suitable for measurement in site is recommended emphatically. in combination with the example of measurement in site, the matters needing attention of measurement in site on the capacity of gas discharge for compressor are point out
文摘:對活塞式壓縮機排氣量的各種測量方法進行了分析比較，著重介紹了比較適合於現場測量的孔板節流裝置，並結合現場測量實例指出了壓縮機排氣量現場測量應注意的問題。 -
Standard test method for measuring the rate of well discharge by circular orifice weir
圓孔口量水堰法測量井水排放速率的標準試驗方法 -
Considering of the problems exist in practice, large orifice discharge principle is employed to study the pressure distribution of ring runner system, the even ab lity for discharging of gates, the relationship of flow with the position of spr ue and the type of gates. a new design idea about circular runner system of cast is proposed
根據生產中存在的問題，用大孔出流理論研究了環形橫澆道系統的壓力分佈、內澆道出流均勻性及流量與直澆道引入位置和內澆道引入方式之間的關系，提出了圓形鑄件環形橫澆道系統新的設計思想。 -
Pressure discharge relation of the simple orifice is exponential in air and soil. the flow regime of simple emitter is situated between laminar and turbulent
簡易地下滴灌灌水器流量壓力關系在空氣和土壤介質中都呈現較好的冪函數關系，其流態介於層流和紊流之間。
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