Steady-state and dynamic simulation of horizontal tube absorbers

被引：0

作者：

Hackner, M ^{[1
]}

Stephan, K ^{[1
]}

Weimer, T ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Thermodynam & Thermal Proc Engn, D-70550 Stuttgart, Germany

来源：

PROCEEDINGS OF THE INTERNATIONAL SORPTION HEAT PUMP CONFERENCE | 2002年

关键词：

simulation; model; falling film; horizontal tube; ammonia-water; water-LiBr; absorption;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The efficiency of absorption systems strongly depends on the absorber itself It should be as compact as possible but nevertheless be equipped with the necessary heat and mass transfer area. The strive for compact apparatus requires the prediction of absorber performance and visualization of state variables at different locations. In this paper a model for a horizontal tube falling film absorber is presented. The model is formulated for the working pairs ammonia-water and water-LiBr including the presence of non-absorbable gases. A validation for derived model is carried out for both working pairs. For the transient case the measured temperature profile of solution and coolant over the absorber height is compared with simulation results.

引用

页码：157 / 162

页数：6

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