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Abstract

The aims of automobile heating and ventilating are summarized qualitatively. Objective acceptance tests for these aspects are outlined and quantitative targets stated as far as possible.

Possible means of achieving the aims are discussed under the headings of heat supply, heat transfer, control, air movement and air distribution.

Certain research and development tests used to supplement the objective acceptance tests are discussed including rig tests, velocity surveys and cold-room and hot-room tests.

Mention is made of tests in territory and of quality control tests.

It is concluded that the conventional system, using the engine waste heat rejected to a liquid coolant as the heat source, forced convection as the mode of heat transfer and ram plus an electrically driven fan to propel the fully fresh air for both heating and ventilating, has proved best able to meet most of the conditions encountered.

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Paper 7: Selection and Testing of Automobile Heating and Ventilating Systems

Abstract

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References