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Cooling system URE05 : design of a cooling system for the University Racing Eindhoven : racecar 2008-2009

Rechten: Alle rechten voorbehouden

Cooling system URE05 : design of a cooling system for the University Racing Eindhoven : racecar 2008-2009

Rechten: Alle rechten voorbehouden

Samenvatting

The goal of this graduate project is to design a cooling system for the race car of University
Racing Eindhoven for 2008-2009. The radiator will be produced by a sponsor of University
Racing Eindhoven which is ERF (Eindhoven manufacturer of radiators). In consultation with
ERF an aluminium type of radiator will be used which is very suitable for this automotive
application. The specifications of this radiator are arranged below.
• Material: aluminium
• Thickness: 40mm
• Time of delivery: 2 months
The position and the required area of the radiator should be determined. The radiator should
be kept as small as possible because this reduces weight. The additional parts comprising a
potential fan, water pump, of the cooling should be determined also.
Several measurements have been carried out to determine the efficiency of the radiator. Hence
the required area can be calculated based on an average speed of the car during the toughest
prove the cooling system has to stand which is the endurance event. The required area
amounts 0,108m2 . The dimensions of the radiator which will be used are arranged below.
• Frontal area: 0,108m2
• Thickness: 40mm
• Length: 410mm
• Width: 300mm
In this dimensions the dimensions of the connections and some packaging space is included.
The radiator will be mounted at an angle of 40° . This will not harm the efficiency of the
radiator. Mounting the radiator at an angle lowers the centre of gravity and reduces the height
necessary for building-in.
To ensure sufficient cooling while standing still an driving with low speed a electrical fan will
be mounted which is available from a previous year. The capacity of the fan is abundantly
enough to ensure the same air flow which is will be generated during the endurance event (at
average speed). The fan will be mounted behind the radiator and will pull the air trough the
radiator since this is more efficient than pushing the air through the radiator.
The fan will be mounted at a certain distance of the radiator and will be ducted. By ducting
the fan it will cover the complete area of the radiator which benefits the efficiency of the fan.
The fan will be ducted by carbon plates which will mounted by aluminium profiles mutually
since these materials are very light. The leakages will be finished off by using a suitable glue.
The water pump which will be used is an electrical water pump since the amount of
revolutions per minute of the electrical pump does not depend on the amount of revolutions
per minute of the engine. Therefore sufficient cooling is ensured during standing still and
driving with low speed. The used pump is comparable to the pump of last year.
Where possible the pipes will be made of aluminium since the thermal conductivity of
aluminium is very high. Close to the engine there are some narrow spaces. Therefore several
narrow corners cannot be avoided. The flexible material which will be used in this case is heat
resistant rubber.

Toon meer
OrganisatieHogeschool Windesheim
AfdelingEngineering & Design
PartnersUniversity Racing Eindhoven
Jaar2008
TypeBachelor
TaalEngels

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