Abstract
This paper presents the performance of a single effect absorption cooling system under three different climates in Saudi Arabia. The considered system capacity is 10.5 kW and uses LiBr/ water pair. The study results indicated that considering the dynamic response of the cooling cycle significantly increases (close to 30%) the time taken to reach steady-state operations and that the sensitivity of the system to form precipitation of LiBr also increases. Also, the dynamic performance was investigated under different heat inputs and resulted in shorter transient period with increasing the heat input. In addition, the performance of the solar absorption system was investigated for a representative summer day in different climatic regions in Saudi Arabia. The results indicated the requirement of different areas of collectors to meet the absorber heating demand from 09:00 a.m. to 04:00 p.m. if there is no auxiliary heating. Auxiliary heating is required from 04:00 p. m. to 09:00 a.m. Finally, the results indicated that the system performs better in Riyadh city than in Dhahran and Jeddah. This study emphasizes the importance of taking into consideration the thermal inertia of the system components when analyzing the performance of such systems.
| Original language | English |
|---|---|
| Article number | 2050026 |
| Journal | International Journal of Air-Conditioning and Refrigeration |
| Volume | 28 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1 Sep 2020 |
Bibliographical note
Publisher Copyright:© World Scientific Publishing Company
Keywords
- Absorption system
- Crystallization
- Dynamic model
- Solar cooling
- Thermal inertia
ASJC Scopus subject areas
- Control and Systems Engineering
- Renewable Energy, Sustainability and the Environment
- Fluid Flow and Transfer Processes
