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Design Development and Performance Evaluation of Phase Change Material (PCM) based Chiller for Raw Milk Cooling

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Title Design Development and Performance Evaluation of Phase Change Material (PCM) based Chiller for Raw Milk Cooling
Not Available
 
Creator Surendra Poonia
A.K. Singh
 
Subject Phase change material (PCM)
milk cooling
energy saving
rural areas
 
Description Not Available
The phase change material (PCM) based milk chiller was designed and developed at ICAR-Central Arid Zone Research Institute (CAZRI), Jodhpur, India. The performance evaluation of the developed box type well insulated chiller made of stainless steel 304 (SS 304) was carried out experimentally for different eutectic solutions and salt hydrate viz. potable water (PW), propylene glycol, diethylene glycol, triethylene glycol, and ammonium chloride (NH4Cl) at different concentrations (5-30%) are used for cooling energy storage. The initial temperatures of PW and propylene glycol at different concentrations were 25.8°C. The final temperatures of PW and propylene glycol at various concentration (5-30%) varies from -4.2°C to -14.9°C. The initial temperatures of PW and diethylene glycol at different concentrations were 25.9°C. After freezing for 12 hrs the final temperatures at various concentration (5-30%) varies from -4.1°C to -17.8°C. The initial temperatures of PW and triethylene glycol at different concentrations were 25.8°C. After freezing for 12 hrs the final temperatures at various concentration (5-30%) varies from -3.9°C to -17.2°C. Similarly, the initial temperatures of PW and NH4Cl at different concentrations were 25.8°C. After freezing for 12 hrs the final temperatures at various concentration (5-30%) varies from -3.7°C to -16.0°C. The chiller reduced milk temperature from 32.7°C to 11.4°C in about 120 minutes in case of PCM as potable water, 32.6°C to 9.1°C in case of PW with 10% propylene glycol, 32.5°C to 8.5°C in case of PW with 10% diethylene glycol, 32.6 to 8.8°C in case of PW with 10% triethylene glycol and 32.5 to 9.3°C in case of PW with 10% NH4Cl concentration. The highest drop for PCM (PW+10% diethylene glycol) came to 9.9°C in 100 min followed by 8.7°C in the next 40 min. The final temperature 10°C varied for about 2.5 hrs.
Not Available
 
Date 2023-04-07T06:19:31Z
2023-04-07T06:19:31Z
2023-02-15
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/76755
 
Language English
 
Relation Not Available;
 
Publisher Arid Zone Research Association of India, CAZRI, Jodhpur