Download An Introduction to Engine Testing and Development by Richard D. Atkins PDF
By Richard D. Atkins
This e-book provides the fundamental rules required for the trying out and improvement of inner combustion engine powertrain platforms, supplying the recent automobile engineer with the fundamental instruments required to successfully perform significant assessments.
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Extra info for An Introduction to Engine Testing and Development
As a general rule, internal combustion engines are considered to be air pumps, in that they breathe in air for combustion purposes. Therefore, it follows that the quality of that air with regard to its temperature, pressure, humidity, and condition will affect the performance of the engine. To illustrate the point, consider this scenario. Have you ever noticed that the engine of your own vehicle, be it car or motorcycle, seems to be more responsive during cold and damp weather conditions than on hot, dry days?
Fuel, oil, or coolant is passed into the casing and imparts its heat to the raw cooling water flow in the tubes, which run from end to end. The raw cooling water runs through tubes absorbing heat from the fuel, oil, or coolant flowing around them. Air Services In dealing with air services to the engine test cell, there are two primary functions that the air provides for the engine: cooling and breathing. The control of one of them (cooling) may be critical to the effects that the other (breathing) will have on the engine.
6 Tube coring. Cooling medium Tube wall near zero flow in tube Cooling medium In-Cell Services 27 In testing engines, an infinite variety of temperature conditions may be required, ranging from continuous hot or cold running to rapidly changing running temperatures. 7). 7 Position of a heat exchanger in a torque converter system. 1 presents the oil and coolant flow required for the cooling of an automatic gearbox oil system. 91 200 200 Although generally reliable, heat exchangers can break down.