Extensive experiments of steam-water two-phase flow and boiling heat transfer in a vertical helically-coiled tube were carried out in high pressure water test loop of Xi an JiaotongUniversity. 报导了在西安交通大学高压汽水实验回路上进行的垂直螺旋管内汽水两相流传热试验研究。
Boiling water and water vapour etching test 沸水和水蒸汽侵蚀试验
In order to understand flash boiling injection, the drop velocity distribution in steady spray of freon R12 as test liquid was investigated by using LDA technique. 为探索闪急沸腾喷雾的形成机理,以氟里昂R12为试验掖体,采用激光多普勒测速仪(LDA)测量了稳定流动条件下粒子的速度分布。
The boiling curve hysteresis phenomena from thin particle porous layers in a vacum state are experimentally researched, using Ethyl alcohol as test liquid. 以乙醇为工质,实验探索了颗粒多孔层在真空状态下的沸腾滞后现象,以及系统真空度、液体过冷度和多孔层结构参数对它的影响。
Effect of MgO, f-CaO, FeO, RO phase and metal Fe in steel-making slag powder on soundness of cement is investigated by boiling test, steam test and autoclave test. 采用沸煮、高温长时间蒸养及压蒸方法研究了钢渣粉中的f-CaO、MgO、FeO、RO相及金属铁对水泥安定性的影响。
And experimental verification has also been made for the two models in a subcooled boiling test loop. 在自行设计的过冷沸腾实验台上对两种计算模型进行了验证。
The water vapor generated by the subcooled boiling will increase the heat loss of exhaust gases, thus influencing the boiler thermal balance calculation and measurement/ test results. 过冷沸腾所产生的水蒸气使排烟热损失加大,影响了锅炉热平衡的计算与测试结果。
There is correspondence in evaluating sulfate resistance of cement paste by three test methods such as rapid boiling, gypsum mixing and wet-dry test. 外掺石膏法、干湿交替法以及快速沸煮法三种实验方法对评价水泥砂浆的抗硫酸盐侵蚀性能有较好的一致性;
The study focuses on the effect of surface aging and liquid subcooling on the pool boiling heat transfer curves and incipient boiling point. Three abnormal phenomena have been observed during the test. 具体研究了表面老化和液体过冷度对池沸腾传热曲线及起沸点的影响,实验中观察到了三个反常现象。
In high pressure kettle experiments, sudden boiling, leakage and removing deposit in coupons seriously hindered test. 高压釜腐蚀试验中遇到的炉水暴沸、泄漏以及试片腐蚀产物的清除等问题严重地阻碍了高压釜腐蚀试验的顺利进行。
Moisture stability uses water boiling method and Immersion Marshall Test. 水稳定性能采用水煮法和浸水马歇尔试验。