研究目的
To test and evaluate the performance of solar milk pasteurisation system.
研究成果
The solar milk pasteurization system was successfully tested and evaluated, with the optimal flow rates for hot water and milk identified as 5 litres/minute and 0.5 litres/minute, respectively. The system demonstrated effective heat transfer and pasteurization performance under the tested conditions.
研究不足
The study was conducted under specific weather and solar radiation conditions during March and April 2018, which may not represent all possible operational conditions.
1：Experimental Design and Method Selection:
The study involved the construction and evaluation of a flat plate solar collector system for milk pasteurization. The system included a solar hot water system, a concentric tube type heat exchanger, and a cooling tank.
2：Sample Selection and Data Sources:
Cow milk from Jaipur Village was used as raw milk.
3：List of Experimental Equipment and Materials:
Flat plate collector, fresh milk tank, cooling unit, thermocouples, and concentric tube heat exchanger.
4：Experimental Procedures and Operational Workflow:
The milk was passed through the heat exchanger and solar collector to reach pasteurization temperature, then cooled.
5：Data Analysis Methods:
The performance was analyzed based on heat transfer rates, logarithmic mean temperature difference, and overall heat transfer coefficients.
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