Abstract: This report summarizes the results and efforts for the development of an absorber for a gas-fired generator/absorber heat exchange
cycle heat pump. The two key components of the generator/absorber heat exchanger (GAX) heat pump, the generator and absorber, were the subjects of two
parallel, mutually supporting development projects. Each project focused on the development of one of these key components. The objectives of the absorber project were:
- Define a good basic GAX cycle as the basis for development and testing of key cycle components, especially the absorber.
- Design and build the absorber for this cycle.
- Design and build an absorber test loop for testing GAX cycle absorbers, whether designed on this project or in other projects.
- Conduct testing and further development of the selected absorber.
The approach for this project was to focus on the development of critical cycle components to an acceptable level so that they can later be assembled
into a system, tested, and optimized for cost, weight, and reliability.
The specific scope for this project was the development of an absorber for a gas-fired GAX cycle heat pump. The successful development of an absorber
for a GAX cycle heat pump will be a significant step toward the development of such a heat pump, even though other key component developments will
also be needed. Specifically, the burner/generator, pumps, controls, and materials/inhibitor developments are needed before breadboard system testing
can be conducted. The develoment of these other key components is the scope of the parallel Gas Research Institute (GRI) project.
Keywords: absorption cycle, absorption heat pump, generator absorber heat exchange, GAX, absorber, thermally activated technology, TAT
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