论文部分内容阅读
以两种不同构造的钢筋混凝土试块为研究对象,在恒温环境舱空气温度分别保持36℃和31℃两种工况下进行蓄热实验,得到了72h内两个试块内部各测点的逐时温度场。结果显示,试块与空气的传热过程可近似为一维传热;相同工况下换热面上安装钢制肋片的试块与无肋片试块相比,蓄热容量比提高8%左右;试块与空气的换热温差越大,肋片对增大试块72h内蓄热量的作用越强。
Taking two kinds of reinforced concrete test blocks with different structures as the research object, the heat storage experiments were carried out under the conditions of air temperature of 36 ℃ and 31 ℃ kept in constant temperature environment, respectively. Hourly temperature field. The results show that the heat transfer between the test block and the air can be approximated as one-dimensional heat transfer. Compared with the non-finned block, the heat transfer capacity of the test piece with steel fins installed on the heat transfer surface under the same working condition increases by 8% ; The greater the temperature difference between the test block and the air, the stronger the effect of the fins on increasing the heat storage in the test block 72h.