The aftercooler

Tuesday, August 20, 2013
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It is an inescapable fact that pressure charging the intake air of an internal combustion engine invariably increases the temperature of that charge. The degree to which the temperature increases is essentially a function of the type of compression t... read more
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The end of the hose?

Thursday, July 04, 2013
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Next to the failure of vehicle electrics, leaks associated with the plumbing of the oil circuit were at one time the largest reason for a DNF (did not finish) on the motor racing scene. I well remember a time when vehicle under-bonnets were regularly... read more
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The fan club

Thursday, May 16, 2013
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Most engineers these days might consider a vehicle fan as that placed either in front or behind the radiator, pushing or pulling air through it and therefore cooling a heat transfer fluid and indirectly cooling the engine. While this may be ubiquitou... read more
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The water pump

Friday, April 05, 2013
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It is a sad indictment of the spark-ignition engine that, even in its most efficient form, for every horsepower or kilowatt generated, the thermal equivalent of at least two more are lost as heat. And although up to half of this can be conveniently d... read more
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Radiators

Thursday, February 21, 2013
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The design of the vehicle cooling system on a racecar is a comparatively simple task, provided a number of basic facts are truly understood. So after the positioning of all the other major components in the vehicle, the engine, the gearbox – an... read more
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Heat Exchangers

Thursday, January 03, 2013
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It may have escaped the notice of the casual observer but the emphasis of modern vehicle design/development is not so much about style or performance (these are very much a given today) but in the management of engine heat. Thus turbochargers, once t... read more
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The intercooler

Thursday, November 08, 2012
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Practitioners of engineering design will be familiar with the concept of compromise and the trade-off of one engineering parameter against another. A good best example of this - the 'art' of design as it were - must be the task of cooling the intake ... read more
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The silicone hose

Thursday, September 27, 2012
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When I think back to when I was first introduced to competitive motorsport - rather more years ago now than I care to remember - I wince now at some the things we used to do. At the time, it was very much a 'make do and mend' attitude, and the amateu... read more
Tags :  coolant-system

The cooling fan

Monday, August 13, 2012
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Although a car properly designed for speed should never have any problems with cooling, there are times when the lack of forward motion can limit the amount of heat dissipated through its radiator. In earlier times, simple two- or four-blade fans wou... read more
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Coolant system efficiency

Tuesday, July 03, 2012
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As the specific power of engines continues to increase over time, so does the demand on their cooling systems. And if an engine is delivering, say, 200 kW at any one time then roughly an equivalent amount of heat will also be rejected into the coolin... read more
Tags :  coolant-system
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