Energy benefits of organic Rankine cycle in a liquid desiccant and evaporative cooling-assisted air conditioning system

2020 ◽  
Vol 147 ◽  
pp. 2358-2373 ◽  
Author(s):  
Hye-Won Dong ◽  
Jae-Weon Jeong
Keyword(s):  
Air Conditioning ◽  
Evaporative Cooling ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Liquid Desiccant ◽  
Air Conditioning System

Analysis of Solar Organic Rankine Cycle for a Building in Hot and Humid Climate

2011 ◽  
Author(s):  
Rambod Rayegan ◽  
Yong X. Tao
Keyword(s):  
Air Conditioning ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Geothermal System ◽  
Commercial Building ◽  
Humid Climate ◽  
Medium Temperature ◽  
Air Conditioning System ◽  
System Requirements ◽  
Hot And Humid Climate

The objective of this paper is to model and analyze the solar Organic Rankine Cycle (ORC) engine for a geothermal air-conditioned net zero-energy building (NZEB) in a hot and humid climate. In the authors’ previous work, 11 fluids have been suggested to be employed in solar ORCs that use low or medium temperature solar collectors. In this paper, the system requirements needed to maintain the electricity demand of a commercial building have been compared for the 11 suggested fluids. The solar collector loop, building, and geothermal air conditioning system are modeled using TRNSYS with the required input for the ORC system derived from the previous study. The commercial building is located in Pensacola of Florida and is served by grid power. The building has been equipped with two geothermal heat pump units and a vertical closed loop system. The performance of the geothermal system has been monitored for 3 weeks. Monitoring data and available electricity bills of the building have been employed to calibrate the building and geothermal air conditioning system simulation. Simulation has been repeated for Miami and Houston in order to evaluate the effect of the different solar radiations on the system requirements.

Optimal Collector Type and Temperature in a Solar Organic Rankine Cycle System for Building-Scale Power Generation in Hot and Humid Climate

2012 ◽  
Vol 135 (1) ◽  
Author(s):  
Rambod Rayegan ◽  
Yong X. Tao
Keyword(s):  
Power Generation ◽  
Solar Collector ◽  
Air Conditioning ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Commercial Building ◽  
Humid Climate ◽  
Air Conditioning System ◽  
System Requirements ◽  
Hot And Humid Climate

The objective of this paper is to determine the optimal solar collector type and temperature of a building-scale power generation system employing solar organic Rankine cycle (ORC) engine for a geothermal air-conditioned net zero-energy building (NZEB) in a hot and humid climate. In the authors' previous work, 11 fluids have been suggested to be employed in solar ORCs that use low-temperature or medium-temperature solar collectors. In this paper, the system requirements needed to maintain the electricity demand of a commercial building have been compared for the 11 suggested fluids. The solar collector loop, building, and geothermal air conditioning system are modeled using TRNSYS with the required input for the ORC system derived from the previous study. The commercial building is located in Pensacola of Florida and is served by grid power. The building has been equipped with two geothermal heat pump units and a vertical closed loop system. The performance of the geothermal system has been monitored for 3 weeks. Monitoring data and available electricity bills of the building have been employed to calibrate the building and geothermal air conditioning system simulation. Simulation has been repeated for Miami and Houston in order to evaluate the effect of the different solar radiations on the system requirements.

Performance assessment and multi objective optimization of an Organic Rankine Cycle driven cooling air conditioning system

2019 ◽  
Vol 191 ◽  
pp. 13-30 ◽  
Author(s):  
Muhammad Tauseef Nasir ◽  
Muhammad Ansab Ali ◽  
Tariq S. Khan ◽  
Ebrahim Al-Hajri ◽  
Muhammad Bilal Kadri ◽  
...  
Keyword(s):  
Performance Assessment ◽  
Air Conditioning ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Multi Objective Optimization ◽  
Air Conditioning System ◽  
Multi Objective ◽  
Cooling Air

Research Progress of Liquid Desiccant Evaporative Cooling Air Conditioning System

2013 ◽  
Vol 732-733 ◽  
pp. 531-536
Author(s):  
Tong Hua Zou ◽  
Min Wang ◽  
Sai Feng Deng ◽  
Yong Li
Keyword(s):  
Air Conditioning ◽  
Cooling System ◽  
Evaporative Cooling ◽  
Research Progress ◽  
Low Grade ◽  
Liquid Desiccant ◽  
Air Conditioning System ◽  
Evaporative Cooling System ◽  
Cooling Technology ◽  
Cooling Air

Evaporative cooling technology is a refrigeration technology by water evaporating endothermic, with zero-pollution, environmental-friendly, energy saving, and other advantages, which makes it widely used. Nevertheless, due to its working characteristic, the application of evaporative cooling technology is limited, particularly in some areas with high humidity. Using the liquid desiccant dehumidification and evaporative cooling technology leads to a solution, named liquid desiccant evaporative cooling air conditioning system extends the application of evaporative cooling technology. This article on liquid desiccant evaporative cooling system provides a brief overview about research status, full usage of the low grade thermal energy, the practical application and new development of the system.

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