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        evacuated
        相關語句
          真空
            Research on test method of vacuum of all-glass evacuated solar collector tubes
            太陽能真空集熱管真空度測量方法的探討
        短句來源
            The Study of the Flow Field and Temperature Field in the All-glass Evacuated Solar Collector Tube
            全玻璃太陽能真空集熱管流場和溫度場的研究
        短句來源
            Research on CPC Heat Pipe Evacuated Tubular Solar Thermal Collector
            CPC型熱管式真空集熱器的研究
        短句來源
            These solar thermal parameters of all-glass evacuated collector tube were adopted by China national standard GB/T 17049-1997.
            上述全玻璃真空太陽集熱管的光 熱性能參數已經被國家標準《全玻璃真空太陽集熱管》(GB/T 170 49- 1997)采用。
        短句來源
            The daily average efficiency of solar absorbency for the vacuum glass-cover board heat pipe solar water heater is 13.3% and 6.5% higher than that of all-glass evacuated tubular water heater and cellular heat pipe solar water heater respectively with the coefficient of heat loss 52.5% and 21.5% lower.
            實測得到,真空玻璃蓋板熱管平板式熱水器的日平均效率比后兩者分別大1 3 .3 %和6.5 % ,平均熱損系數比后兩者分別小5 2 .5 %和2 1 .5 %。
        短句來源
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          “evacuated”譯為未確定詞的雙語例句
            Theoretical Analyses and Experimental Study on Thermal Performances of Evacuated Bottle Solar Water Heater
            真空瓶太陽熱水器熱性能分析及實驗研究
        短句來源
            Analysis on the optimum mass area ratio(MAR) of all-glass evacuated tubular solar water heaters
            全玻璃真空管式太陽熱水器水量配比MAR的優化分析
        短句來源
            Thermal Performance Study on All-Glass Evacuated Tubular Water Heaters(一 ) ——model of calculation and results of calculation
            全玻璃真空管式太陽熱水器熱性能研究(一)——計算模型及計算結果
        短句來源
            Thermal Performance Study on Evacuated Tubular Water Heaters(Ⅱ)——Comparing and analyzing of instantaneous efficiency and daily average efficiency
            真空管式太陽熱水器熱性能研究(二)——瞬時效率、日平均效率的比較分析
        短句來源
            Thermal Performance Study on the All-glass Evacuated Tubular Water Heaters(Ⅲ)——Analysis of accessible factors on the daily average efficiency
            全玻璃真空管式太陽熱水器熱性能研究(三)——日平均效率的影響因素分析
        短句來源
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          evacuated
        The gas forces acting on spherical and disc rotors revolving in evacuated cavities
              
        Hydrogenated nanocrystalline silicon (nc-Si:H) thin films were deposited on Si wafers at room temperature by plasma-enhanced chemical vapor deposition (PECVD): a mixture of SiH4 and H2 was introduced into the evacuated reaction chamber.
              
        The radiation-chemical discoloration of evacuated alcoholic solutions of the azo dye 1-(2-pyridylazo)-2-naphthol was studied using a pulse radiolysis technique.
              
        The RFR-4 X-ray streak camera with a slit scan designed on the basis of an X-ray sensitive evacuated image tube is described.
              
        We discuss the physical phenomena that arise in the scattering of acoustic waves from fluid-immersed elastic (metal) shells which may be either evacuated or filled with the same or with a different fluid.
              
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        In this paper,the construction and the performance of all-glass evacuated tubular collector are introduced.The collector panel is composed of thermal collection vacuum tubes,manifold,frame and V-shaped specular reflectors.An evaporated black chromium selective film is coated on the outside of the inner absorber element.It is shown that as a result of optimizing geometric parameters and design of V-shaped mirror reflector,the collector performans well in solar thermal conversion.With the improvements of...

        In this paper,the construction and the performance of all-glass evacuated tubular collector are introduced.The collector panel is composed of thermal collection vacuum tubes,manifold,frame and V-shaped specular reflectors.An evaporated black chromium selective film is coated on the outside of the inner absorber element.It is shown that as a result of optimizing geometric parameters and design of V-shaped mirror reflector,the collector performans well in solar thermal conversion.With the improvements of the manufacture of manifold and fixation of thermal collection tube,the collector possessses such excellent advantages as lower cost and ease of maintenance.These collectors have the potential application in solar industrial processing heat.

        本文報道了非跟蹤V型鏡反射全玻璃黑鉻真空管集熱器的結構和設計。該集熱器集熱效率高,綜合性能好,在我國許多地區可全年運行。

        Heat loss from an evacuated tube collector and results of its experimental investigation are presented in this paper.The variation of heat loss rate with the vacuum degree,the effect of vacuum degree on the heat loss,the variation of overall heat loss coefficient with the temperature difference are found.Heat loss from the vacuum tube can be reduced when the vacuum gap is filled with some kind of the low thermal conductivity gas within the range of 1-10 torr.

        本文介紹了真空集熱管熱損過程的實驗結果。得出了熱損速率隨真空度的變化規律和總熱損系數隨溫差的變化關系。在傳導區內,向真空隔層填充低熱導率氣體可降低熱損失。

        Heat loss coefficient is one of the most important parameters in the solar-thermal conversion of evacuated tubular collectors. Based on transient calorimetric theory a formula for measuring heat loss coefficient can be reduced.The heat loss coefficients for several evacuated tubular collectors with four different selective absorptive coatings are measured and agree well with those calculated by the thermal network method. On the basis of experimental data, a simple emperical formula for calculating...

        Heat loss coefficient is one of the most important parameters in the solar-thermal conversion of evacuated tubular collectors. Based on transient calorimetric theory a formula for measuring heat loss coefficient can be reduced.The heat loss coefficients for several evacuated tubular collectors with four different selective absorptive coatings are measured and agree well with those calculated by the thermal network method. On the basis of experimental data, a simple emperical formula for calculating the heat loss coefficient is presented. Thus effects of the solar-thermal conversion efficincy of collectors can be evaluated and predicted.

        應用非穩態卡計法理論導出了真空集熱管熱損系數公式,并對四種真空集熱管進行了實測,其結果與網絡法理論計算值相符,在實測的基礎上歸納得到計算真空集熱管熱損系數的經驗公式。

         
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