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| 1 | 降膜蒸发研究进展显示文摘降膜蒸发广泛用于工业过程的各个领域,如海水淡化、食品加工、造纸等。分析了水平管式、竖直管式以及板式降膜蒸发器中的各种流型,综述了国内外降膜蒸发的研究现状,重点介绍了降膜蒸发器中的传热、传质、干壁现象、波动现象以及分布器对传热的影响,并对现有研究成果进行了总结。全面阐述了降膜蒸发的研究成果,以期有效指导实验研究及生产实践工作。 | 赵婵 许松林 | 2013 | 石油化工设备2013，42，6： | 7 |
| 2 | 溴化锂溶液竖管内降膜蒸发传热性能分析显示文摘为了直接高效利用低温烟气余热驱动制冷,对不同热流密度、不同浓度溴化锂水溶液竖管内层流降膜蒸发的传热性能进行了实验研究。结果表明,降膜传热系数随溶液进口浓度升高而减小,随热流密度增加而显著增大。对实验数据进行多元线性回归计算,得到实验范围内降膜传热系数关联式。用该关联式设计降膜蒸发传热的降膜式发生器,并对相同传热量的沉浸式发生器进行设计,性能对比表明,降膜式发生器在传热系数、换热组件重量和体积上有十分显著的优势。 | 石程名 王洋 宫世吉 | 2010 | 重庆大学学报(自然科学版)2010，33，9： | 4 |
| 3 | Experimental Investigation on an Absorption Heat Transformer for Production of Hot Water or Steam Generation显示文摘The absorption heat transformer is widely used to utilize low-temperature waste heat in the field of distributed energy,industrial processing,and long-distance indoor heating,because it can upgrade energy level and deliver heat to heated medium.In this work,an experimental system of a vertical single-stage LiBr/H2O absorption heat transformer was established to study its performance in the case of producing high-temperature water or low-pressure steam generation under different heating water flow rates.The useful output heat,coefficient of performance,exergy coefficient of performance,and gross temperature lift of the single-stage heat transformer have all been tested.The results show that the absorber cannot directly generate low-pressure steam under the condition of counter-flow heat exchange but can obtain more useful output heat.The largest useful output heat is 20.3 kW,which is higher than that in the case of parallel-flow heat exchange.The generation of low-pressure steam has certain requirements on the mode of heat transfer.The largest internal gross temperature lift of 28.1℃corresponds to the smallest coefficient of performance of 0.22 when the heating water flow rate is 2.1 m3/h.The performance of the single-stage absorption heat transformer can be improved to some extent by increasing the heating water flow rate. | LIU Feng JING Yang LIU Taixiu SUI Jun XU Yujie | 2021 | Journal of Thermal Science2021，30，2： | 0 |
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