theoretical throat 中文意思是什麼
theoretical throat
解釋
焊縫計算厚度- theoretical : adj. 1. 理論（上）的，學理上的 （opp. applied）。2. 假設（性）的；純理論的，推理的。3. 空論的 （opp. practical）。adv. -ly
- throat : n. 1. 【解剖學】咽喉，喉嚨；喉頭；頸前。2. 嗓子，嗓音。3. （器物的）咽喉狀部分；窄路，出入口。4. 【火箭】（噴管的）臨界截面。vt. 1. 用喉音說唱，沙啞地說唱。2. 掘（溝）；開槽。
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The calculation formulas for velocity coefficients 2 and 5 for the throat and throat inlet section were deduced from the theoretical research on the velocity coefficients in time - averaged basic equations by use of the unsteady momentum equation and time - averaged value calculation method
摘要運用非恆定的動量方程和時均值計算方法，對脈沖液體射流泵時均值基本方程中的流速系數進行了理論研究，推導出了喉管和喉管進口段流速系數2和5的計算式。 -
In the theoretical aspect, secondary combustion in ejectorjet and thermal throat was researched. theory of duct flow was conducted, the difference and homology between heat added flow and entropy fixed flow was described
在理論研究方面，本文對引射火箭二次加熱及熱力喉道進行了研究，推導並分析了一般的管流理論，闡述了加熱管流與變截面等熵管流之間的異同。
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