throttling characteristics 中文意思是什麼
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Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too
本文的內容如下： 1對翅片管蒸發器的結構特點進行分析，選取適當的微元體，對于干、濕工況下每個微元分別進行傳熱傳質分析，通過適當的假設，利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型；對回熱器劃分微元建立了分佈參數數學模型；對氣體冷卻器建立了分佈參數數學模型；對壓縮機建立了數學模型；建立了節流閥的數學模型，為系統模擬奠定了基礎。 -
The spray processes of throttling and normal pintle nozzles are investigated in this paper. the test results show that the better spray characteristics and spray quality can be achieved when the throttling pintle nozzle is used in small diesel engines
本文對節流軸針式和普通軸針式噴油嘴的噴油過程進行實驗研究，試驗結果表明，節流軸針式噴油嘴應用在小缸徑柴油機上能取得良好的噴油特性和噴霧質量。 -
Optional disc configuration, where more linear throttling characteristics are required
備選閥瓣結構，適用於要求更好的線性節流特性的應用場合。
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