JB/T 12333-2015Reciprocating internal combustion engines - Measurement method for noise of cooling fans (English PDF)

JB/T 12333-2015 is the English-translated version of 往复式内燃机 冷却风扇噪声测量方法.

JB/T 12333-2015 is a recommended standard of the Chinese machinery industry laying down how the noise of the cooling fans of reciprocating internal combustion engines is to be measured. The methods it sets out are laboratory measurement, by an engineering method and by a simplified method, and field measurement by a simplified method. It applies to the cooling fans of engines falling within the scope of GB/T 6072.1, and it may serve other cooling fans for which no suitable standard exists. Its Chinese classification is J96 and its international classification 27.020. It quotes GB/T 1236-2000 and JB/T 12332-2015.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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