CAJ | 학술논문

测定了不同流速下的各种传热数据，用实验法和理论计算法给出管内热膜系数a测、a计、Nu测、Nu计及总传热系数K测、K计的值，分析了实际法和理论法得到的传热系数的区别．在传热管中加入螺旋弹簧作为强化元件后，对各种数据的计算及与理论值之间的差别进行了分析．
측정료불동류속하적각충전열수거，용실험법화이론계산법급출관내열막계수a측、a계、Nu측、Nu계급총전열계수K측、K계적치，분석료실제법화이론법득도적전열계수적구별．재전열관중가입라선탄황작위강화원건후，대각충수거적계산급여이론치지간적차별진행료분석．
Analysis on experimental method and theoretical calculation method of giving the heat transfer coefficient of α测, α计, Nu测, Nu计 and the total heat transfer coefficient K测, K计, and analysis on the difference of the results by a more practical method and the theory method. Key words： convective heat transfer; Reynolds number; heat transfer coefficient