50kw precision air conditioning unit
Differences Between Precision Air and Comfort Air Conditioning
1- Sensible Heat Ratio A heat load has two separate components: sensible heat and latent heat. Sensible heat is the increase or decrease in air-dry bulb temperature. Latent heat is the increase or decrease in the moisture content of the air. The total cooling capacity of an air conditioner is the sum of the sensible heat removed and the latent heat removed. Total Cooling Capacity = Sensible Cooling + Latent Cooling The Sensible Heat Ratio is the percentage of the total cooling that is sensible. Sensible Heat Ratio (SHR) = Sensible Cooling Total Cooling In a technology room, the cooling load is made up almost entirely of sensible heat coming from IT hardware, lights, support equipment, and motors. There is very little latent load since there are few people, limited outside air, and usually a vapor barrier. The required SHR of an air conditioner to match this heat load profile is very high, 0.95-0.99. Precision air conditioning is designed to meet these very high sensible heat ratios. In contrast, a comfort air conditioner typically has a SHR of 0.65-0.70, and provides too little sensible cooling and too much latent cooling. The excess latent cooling means that too much moisture is continually being removed from the air and an energy-expensive humidifier is required to replace moisture.
Carrie Mak
GuangDong Head-Power Air Conditioning Co.,Ltd.
Add: Shiling Chenbian Section, 321 National Highway, Shishan Town,
Nanhai District, Foshan,Guangdong,China.
Mobile or whatsapp:86-15024293999 Skype:mak.carrie
Fax:86-757-86688063
Email:[email protected]
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