The ejector assisted compression-absorption-resorption (ECAR) cooling cycle presents an innovative solution to address the escalating energy demand and CO2 emissions from traditional refrigeration and air conditioning systems. By utilizing low-grade energy sources such as waste heat or renewable heat, this cycle offers higher efficiency and reduced electricity consumption compared to conventional vapor compression systems.
Type of IP
Faculty
Category of Patent
Department
The ECAR cooling cycle has the potential to significantly reduce energy consumption and CO2 emissions associated with cooling systems, contributing to sustainability goals and reducing environmental impact. It also offers economic benefits through energy savings and potential utilization of waste heat in industries.
- Enables dual refrigerating effects at different temperatures, suitable for both space cooling and cold storage/refrigeration
- Utilizes a zeotropic mixture as the refrigerant for enhanced flexibility in operating pressures and temperatures
- Integrates an ejector in the absorption circuit to improve efficiency by replacing certain components like expansion valves
- Ability to operate at lower cycle pressures and achieve higher coefficient of performance (COP) compared to conventional systems
- Significant energy savings of 30% to 60% achievable, particularly when utilizing industrial waste heat
- Compact design and lower heat source temperature requirements compared to double-effect vapour absorption-resorption cycle (VARC) systems which optimizes performance
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The ejector assisted compression-absorption-resorption (ECAR) cooling cycle is a conceptual innovation and research and development are ongoing to refine the design and optimize performance parameters.
HVAC (Heating, Ventilation, and Air Conditioning) industry, Industrial cooling and refrigeration
- Commercial, and industrial refrigeration for space cooling and thermal processes
- Cold storage and refrigeration applications.
- Utilization of waste heat in various industries for cooling purposes.