Energy Saving through Personal Air Conditioning by Means of Indirect Evaporative Cooling using Desiccant Dehumidification

2014 ◽  
Vol 40 (4) ◽  
pp. 313-319
Author(s):  
Motoyuki Osada ◽  
Hideo Kameyama ◽  
Makoto Sakurai ◽  
Kenji Watanabe
Keyword(s):  
Energy Saving ◽  
Air Conditioning ◽  
Evaporative Cooling ◽  
Indirect Evaporative Cooling

Research on Raising Load Potentials Using MPCM Slurry Storage

2014 ◽  
Vol 568-570 ◽  
pp. 1770-1773
Author(s):  
Guang Wei Zhao
Keyword(s):  
Energy Saving ◽  
Air Conditioning ◽  
Design Method ◽  
Evaporative Cooling ◽  
Simulation Code ◽  
Air Conditioning System ◽  
Energy Saving Potential ◽  
Microencapsulated Phase Change Material ◽  
Slurry Storage ◽  
Change Material

Evaporative cooling is able to generate the cooling medium at a temperature approaching to the ambient wet bulb temperature. In this paper, a low-energy air-conditioning strategy is proposed, which is a combination of cooled ceiling (CC),microencapsulated phase change material (MPCM) slurry storage and evaporative cooling technologies. The assessment of evaporative cooling availability and utilization is done for five representative climatic cities, including Hong Kong, Shanghai, Beijing, Lanzhou and Urumqi in China, and the energy saving potential of the proposed air-conditioning system is analyzed by using a well validated building simulation code. The results indicate that the new system offers energy saving potential up to 80% under northwestern Chinese climate and up to 10% under southeastern Chinese climate. The optimal design method of the slurry storage tank is also proposed based on the slurry cooling storage behaviors and cooling demand variations of the ceiling panels.

Indirect Evaporative Cooling – An Energy Efficient Way for Air Conditioning

2012 ◽  
Vol 608-609 ◽  
pp. 1198-1203
Author(s):  
Min Lei Chen ◽  
Xiao Long Liu ◽  
Eric Hu
Keyword(s):  
Total Energy ◽  
Minimum Temperature ◽  
Energy Efficient ◽  
Air Conditioning ◽  
Evaporative Cooling ◽  
Living Conditions ◽  
Direct Evaporative Cooling ◽  
Energy Accounting ◽  
Indirect Evaporative Cooling ◽  
Working And Living Conditions

Invention and the widely use of air conditioning has improved people’s working and living conditions. However, it also consumes significant amount of energy, accounting for over 40% of total energy used in the buildings. Indirect evaporative cooling (IEC) is a relatively new kind of air conditioning mechanism developed. It is not only uses less energy comparing with traditional air conditioning, but also overcomes the weaknesses of a direct evaporative cooling (DEC) system. The weaknesses of DEC include humidifying the supply air and minimum temperature of supply air is not lower than wet bulb temperature.

Energy saving analysis of evaporative cooling composite air conditioning system for data centers

2021 ◽  
Vol 186 ◽  
pp. 116506
Author(s):  
Zongwei Han ◽  
Xiaoqing Sun ◽  
Haotian Wei ◽  
Qiang Ji ◽  
Da Xue
Keyword(s):  
Energy Saving ◽  
Air Conditioning ◽  
Data Centers ◽  
Evaporative Cooling ◽  
Air Conditioning System

scholarly journals A hybrid indirect evaporative cooling-mechanical vapor compression process for energy-efficient air conditioning

2021 ◽  
Vol 248 ◽  
pp. 114798
Author(s):  
Qian Chen ◽  
M. Kum Ja ◽  
Muhammad Burhan ◽  
Faheem Hassan Akhtar ◽  
Muhammad Wakil Shahzad ◽  
...  
Keyword(s):  
Energy Efficient ◽  
Air Conditioning ◽  
Evaporative Cooling ◽  
Vapor Compression ◽  
Compression Process ◽  
Indirect Evaporative Cooling

scholarly journals Performance Enhancement of Evaporative Cooling by using Bamboo

2019 ◽  
Vol 8 (6S) ◽  
pp. 856-860 ◽  
Keyword(s):  
Water Consumption ◽  
Air Conditioning ◽  
Performance Enhancement ◽  
Evaporative Cooling ◽  
Flow Simulation ◽  
Human Thermal Comfort ◽  
Water Vapors ◽  
Evaporative Cooler ◽  
Indirect Evaporative Cooling ◽  
Comfort Condition

In daily life Air-conditioning plays an essential role in ensuring human thermal comfort. The commercially used cooling systems are intensively power consuming. So that it is necessary to save the energy in air conditioning. Among all of them the evaporative cooling techniques is well known which gives better result in saving energy and it is environmental friendly techniques. Evaporative cooling uses the fact that the water will absorb a relatively large amount of heat in order to evapor ate. The temperature of dry air will dropped because of phase change water into water vapors. Evaporative cooling requires abundant water and it works best when relative humidity is low. Evaporative cooling will be done using three methods direct evaporativ e cooling, Indirect Evaporative cooling, combined direct-indirect evaporative cooling. The main aim of this paper is to make comfort condition in terms of Temperature and Humidity and to minimize the water consumption. In this paper at a place of dry grass or cooling pads we are using hollow bamboo as fluid conduit. In hollow bamboo water continuously flows without any restriction. Some slits or holes are provided on the bamboo to enable the water and air contact and ease the evaporative action after CFD flow simulation. After providing such geometry of contact the evaporation comes to optimism and the water consumption as well as humidity is reduced, the continuous flow of water inside hollow bamboo reduce the contact time of water with air. Due to this effect the humidity of air is comparatively less than direct contact evaporative cooler, also reduces the water consumption. This type of evaporative cooler is designed to facilitate efficient evaporation of the water and circulation of cooled air

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