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Contenido archivado el 2024-06-16

The Development of an environmentally friendly absorbtion refridgeration system for automotive applications that is powered by vehicle exhaust waste thermal energy to reduce transportation energy cost


27 million tonnes of refrigerated food with an estimated value of gt 100 Billion is currently stored within the EU at anytime 45 of all refrigerated food transported within the EU is transported by road a total annual distance of 1395 Bn Tonne km. This enormous transportation of refrigerated food leads to large environmental and economic costs due to emissions of CO2 carbon monoxide CO Volatile Organic Compounds VOC nitrogen oxides NOx and other particles In addition refrigeration systems use refrigerants that have ozone depleting properties Automotive refrigeration systems are based on traditional vapour compression technology driven directly from the vehicles engine. These units lead to problems due to excessive power draw from the engine that can affect the vehicles performance and long term behaviour. These units are also heavy gt 100kg which affects vehicles styling and aerodynamics.

The proposed Co operative project Cool Van will develop an automotive refrigeration technology that will use water as the working refrigeration fluid and will be driven by the vehicles waste exhaust heat to power the refrigeration unit that will not draw any parasitic power from the engine. The refrigeration system will not affect the engine coolant system and will not require any under bonnet work to be undertaken.

Technological Objectives:
The Cool Van project aims to develop an adsorption refrigeration system for automotive refrigeration applications weighing less than 80kg. This will be powered by waste exhaust heat with an average power input of 15kW. The refrigeration system will have a Coefficient of Performance gt 0 5 and an average cooling power of 7 5kW. In addition thermodynamic available energy will be stored during normal operation that will be used to rapidly cool the refrigeration compartment when required.

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