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Adsorption Refrigeration

Adsorption Refrigeration. Orange Team B. Customer Needs. Market. 80% of world’s population lives in developing countries. In 1996 only 33% of the refrigerators went to meet their refrigeration needs. 31% of food in developing countries is perishable (only 1/5 th of which is refrigerated)

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Adsorption Refrigeration

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  1. Adsorption Refrigeration Orange Team B

  2. Customer Needs

  3. Market • 80% of world’s population lives in developing countries. In 1996 only 33% of the refrigerators went to meet their refrigeration needs. • 31% of food in developing countries is perishable (only 1/5th of which is refrigerated) • NGOs spend millions of dollars on refrigeration projects (Montreal Protocol spent $780 million) • UNDP, UNEP, and IIR have great interest • No significant competition

  4. Adsorption Fridge Concept

  5. Actual Product Appearance

  6. Scaling Calculations A spread sheet was constructed to determine the parameters needed to make a scale model of the system. To convert a given mass of water into ice, it calculates: • the amount of methanol • the amount of charcoal • the minimum system volume • the length of the condenser

  7. Testing the Concept Feasibility

  8. Critical Issues and Solutions • methanol degeneration to formaldehyde within 12-18 months • flush the system once a year and replace methanol • formaldehyde oxidizes to water and carbon dioxide • disposal of formaldehyde relatively easy • Not all the methanol adsorbs into the charcoal • seal the system better

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