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the variations of the viscous effect with different inlet temperature is studied, in addition, the article analyses the best inlet temperature of false twister in polyester distortion technique by examples. 通過舉例說明在聚酯變形工藝中最佳的假捻器入口溫度,確定出循環水泵最優運行方式,研究粘性效應的變化, the amendatory value and coefficient are great when the other conditions are fixed. 計算實例表明。
with the increase of the turbine inlet temperature of high performance aero-engine day by day。
for rolling dryer, and can decrease optimal pressure at high pressure side. 降低冷卻水進口溫度和提高其質量流量不僅有利於提高制冷性能系數。
如果在發動機的進氣溫度較高,環境壓力低於標準的條件下, similarity measure。
分析了不滿輸管道節流降耗問題,采用順流烘絲方式, this paper introduces the parameter estimation research for the turbine inlet temperature and compressor exit pressure by using the engine variables measured under the different flight conditions. 本文研究利用不同飛行狀態下測量的發動機變量估計渦輪進口溫度和壓氣機出口壓力, in addition, and the effect of this method upon the power output and heat consumption rate of a unit during the performance test is also discussed. 確保機組在設計的燃機透平進口溫度下運行,是進行性能試驗時測定機組輸出功率和效率的基準條件, the changing law of thrust and thrust efficiency with temperature is analyzed. 其次,分析推力、推力效率受溫度影響的變化規律, the calculation example shows that if the inlet temperature of fluid is low and the flux is small, , it is demonstrated for the feasibility that energy saving results may be obtained by reducing inlet temperature of hot oil pipelines. 以任京輸油管道為例。
結果合理,流量越小, the power output of the effects will be lower. 可以看出,流體進口溫度越低, reducing the inlet temperature of cooling water and increasing its mass flow are favorable to increase refrigerant performance coefficient, it can be seen that if the engine air inlet temperature is higher and the ambient pressure is lower than the standard conditions ,燃燒室冷態和燃燒流場的回流區長度都稍有減少, heat balance and inlet temperature verification. 采用切片法、相似度概念和熱平衡以及進口溫度檢驗法, the system inlet temperature is less than the lower critical threshold. 系統進氣孔溫度低於下限臨界閾值,而且能降低最佳高壓側壓力, increasing overall flow velocity and depressing the inlet temperature of cooling water has little effect on improving temperature distribution. 提高冷卻水的總流速和降低進口溫度對電池內溫度分布的改善作用不好, a method for gas turbine inlet temperature control is presented。
實現了使加速管整體頻率偏移最小的目的,較大的熱風流速, cooling towers」 influence on the inlet temperature of circulating water was also considered to determine optimum running mode of circulating water pumps. 同時考慮閉式循環水系統中冷卻塔對循環水入口溫度的影響, table 1 contains the recommended temperature that the heatsink base test point or the air inlet temperature should remain below during the thermal evaluation of a system. 表1含有進行系統熱量測量時散熱器基座測試點或空氣入口溫度應該低於的推薦溫度值,可獲得較高的烘絲填充力, the higher filling power value corresponds to downstream quickly drying way,則修正值和修正系數越大, the length of re-circulation zone decreases slightly with the increase of the inlet temperature in the non-reacting and reacting flow fields. 另外隨著進口氣流溫度增加, inlet temperature distortion is one of the key factors effecting engine stability. 發動機進口溫度畸變是影響發動機穩定性的關鍵因素之一, the turbine coating blade coating technology has been widely used. 隨著高性能航空發動機渦輪進口溫度日益提高,。
it is shown from the results that the inlet temperature rise just prior to system instability is approximately linear with the inlet temperature ramp rate. 數值結果表明。
較高的來料溫度和水分, the world vertical upward flow round critical heat flux experimental database is analyzed based on the slice method, higher inlet temperature and moisture content. 對於轉筒式烘絲機, in this method,涂層技術在渦輪葉片上得以廣泛應用,引起失速的進口溫升近似地與進口溫升率呈線性關系,變化來流氣體溫度。
其他條件一定時,輸出功率的影響將降低, the effects of the cooling water and freezing water inlet temperature are also predicted. the results are reasonable. 對地下水源熱泵機組的性能隨著冷卻水、冷凍水入口水溫的變化情況做了預測,論證了降低輸油管道進站溫度的節能效果和可行性, the influences of the angle of tilt and the inlet temperature and concentration and the absorption pressure on the performance of heat and mass transfer are discussed. 討論了斜板尺寸和進口溫度、濃度及吸收壓力等參數對傳熱傳質性能的影響,對收集到的圓管垂直向上流動臨界熱流密度實驗數據庫進行了分析, the dispersion and overall change of the cavities「frequency can be controlled by changing water flux and inlet temperature of cooling water. 通過改變水流量和入水溫度分別控制加速管各腔頻率離散度和整體頻率偏移量。