primary airflow 中文意思是什麼
primary airflow
解釋
第一股氣流-
Thermal performance analysis of indirect evaporative cooler with condensation in primary airflow
有冷凝和沒有冷凝的板式間接蒸發冷卻器性能分析比較 -
This paper described a cross - flow type of indirect evaporative cooler with condensation in primary airflow. according to the heat and mass transfer performance of indirect evaporative cooler, three - dimensional mathematical model had been established. with the preprocessor gambit, the geometry and mesh generation was completed
論文根據間接蒸發冷卻過程傳熱傳質的特點，對間接蒸發冷卻器進行了合理必要的簡化假設，應用計算流體力學（ cfd ）方法，建立了板式間接蒸發冷卻器的三維數學物理模型。 -
Thirdly, according to the conservation of energy principle, this paper analyzes the relationship between the hot ? ire and the airflow rate, establishes primary model of the hot ? ire. in this paper the simple mathematical model of pfras were given out
（ 3 ）利用能量守衡的原理，分析了傳感器敏感元件中的熱線與氣流速度之間的關系，建立了熱線的基本模型，從而給出壓電射流角速度傳感器的數學模型。 -
The impact on performance of wheat classified by horizontal airflow velocity, classifying baffle height and dropping time etc was studied, the orthogonal experiment was designed on the basis of single factor experiment, and the primary and secondary factors of impact on horizontal classification of the heavy wheat were educed : classifying baffle height, horizontal airflow velocity, dropping time ; the primary and secondary factors of impact on horizontal classification of the light wheat : horizontal airflow velocity, classifying baffle height, dropping time
摘要研究了水平氣流速度、分級隔板高度和落料時間等因素對小麥氣流分級的性能影響，並在單因素試驗的基礎上設計了正交試驗，得出影響重質小麥水平分級的主次因素為：分級隔板高度、水平氣流速度、落料時間；影響輕質小麥水平分級的主次因素為：水平氣流速度、分級隔板高度、落料時間。 -
Different disposal style for the reburning air & burning out air ( tangential or front and rear walls ) and their disposal heights. 2. different momentums of ofa ( under the condition of constant airflow of primary area and condition of constant flux inputted simulated boiler )
冷模試驗范圍包括： 1 、再燃風和燃盡風的不同布置方式（切向布置和對墻布置） 、布置高度； 2 、不同燃盡風動量（爐內總進風量不變和燃燒器主氣流不變兩種情況） ； 3 、再燃風、燃盡風的不同組合與主氣流之間的混合。 -
The effects of a wide variety of parameters such as the velocity, the temperature, the inlet moisture content of the primary and the secondary airflow, the channel width on basic thermodynamic criterion, such as thermal efficiency, exergy efficiency, exergy efficiency ratio, thermodynamics consummation, exergy destruction rate, exergy destruction coefficient, are simulated numerically
在此基礎上，通過一些基本的熱力學指標，如換熱效率、火用效率、熱力學完善度、火用損率、火用損系數等，對間接蒸發冷卻過程能量以及有用能的利用、損失情況進行了分析和研究。 -
Quality of wind tunnel relates not only to airflow shape and outside frame but also subjected to the control system of electromotor. the rotate speed of fans and the speed press of flow field at experimental segment are the primary parameters for control
風洞流場的品質除與風洞氣動外形及內部構造有關外，關鍵取決于風洞風扇電機控制系統，其調節的主要參數是風扇電機的轉速和試驗段流場的速壓。 -
Three - dimensional numerical simulation of indirect evaporative cooling process with condensation in primary airflow
一次空氣有冷凝的間接蒸發冷卻過程的三維數值模擬
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