film-cooling flow 中文意思是什麼
film-cooling flow
解釋
薄膜冷卻氣流-
Understanding the three - dimensional nature of these flows and understanding the interactions between the ejected coolant and the endwall flow are the key to a successful endwall film - cooling design. results from this investigation enhance this understanding
揭示流場的三維特性以及噴射的冷空氣與端壁附近的外流場相互作用規律是渦輪葉柵端壁氣膜冷卻設計成功的關鍵，本文的研究成果增加了對此規律的更深入了解。 -
These measurements are complemented by measurements of the flow field downstream of the cascade. the integrated losses and locations of secondary flow features with and without endwall film - cooling are determined for variations of both coolant supply pressure and injection location
以無端壁氣膜冷卻和有端壁氣膜冷卻兩種情況進行研究，對比地獲得了兩者的綜合損耗和二次流特徵區域隨冷卻氣體供給壓力和注射位置的變化規律。 -
When there is no impingement, the investigation about flow extravasation effect form film cooling holes is carried out with different cross flow reynolds numbers and different density flow ratios of the film outflow to cross flow
在無沖擊射流時，通過改變來流雷諾數、氣膜出流與橫流密流比，對氣膜孔的「溢流效應」進行了研究。 -
Numerical simulation of flow field in a turbine stator with film cooling
渦輪靜葉前緣氣膜冷卻數值模擬 -
In the experiment, the infrared radiation and axial distribution of wall temperature and near wall flow pressure were measured with and without film cooling
得到了各冷卻方案噴管的壁面壓力分佈、壁溫分佈和紅外輻射特性。 -
On the application of evaporation & condensation, a new open cycle solar still, which is configured mainly by one kind of falling film evaporator, condenser, solar collector and some auxiliary devices, is proposed. parameters affecting system performance, i. e., temperatures and flow rates of moist air, seawater, and cooling water, are analyzed numerically and experimentally
最後，本文建立了一種以高效降膜蒸發器為核心部件的新型開放循環海水淡化系統，在降膜蒸發器、太陽能集熱器和冷凝器等部件數學模型基礎之上，建立了合理的系統模型，通過數值模擬對空氣、海水、冷卻水等有關參數對淡水產量的影響進行了分析。 -
The method of prediction the discharge coefficients of film cooling holes on the turbine blade suggested by d. a. rowbury et. al has been improved in this paper to fit the computations in the cases of low pressure ratios and the holes in leading edge region especially. the effects of external cross - flow, hole geometry and reynolds number in the hole were taken into account. an additive loss coefficient method is subsequently applied to the test data in order to assess the effect of the external cross - flow
Rowbury等提出的流量系數工程演算法進行了改進，計算結果和實驗數據的比較表明改進后的新模型使低吹風比和前緣駐點附近流量系數的計算得到了明顯的改進，而在高吹風比下仍能保持與實驗數據相符，這種演算法有可能成為低壓比情況下型面氣膜冷卻的一種通用設計方法。 -
Experimental study of flow characteristics in two - pass channel with ribs and cell film cooling
帶直肋及氣膜出流的回轉通道內冷氣流動特性 -
A numerical study is reported to investigate the flow and temperature fields for jet array impingement cooling, inclined multi - hole film cooling and impingement / effusion film cooling
運用數值計算的方法分別對陣列射流沖擊冷卻、多斜孔氣膜冷卻以及沖擊-發散復合冷卻方式的流動與傳熱特性進行了三維數值研究。 -
To satisfy the practical need of film cooling in turbine blades of aeroengine, some detailed experimental measurements on the flow field in the channel with the holes on the wall and in the holes had been completed within a wide range of aerodynamic parameters. and the interrelated numerical simulated compute had also been implemented
本文根據航空發動機中渦輪導向葉片氣膜冷卻的實際需要，在寬廣的氣流流動參數范圍內，對葉片內冷通道的流場進行了詳細的實驗測試，同時還進行了相應的數值模擬計算。
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