FIELD: chemistry.
SUBSTANCE: invention can be applied for the estimation of a washing ability of petrol and diesel fuel and influence of their washing abilities on technical-economic and ecological (TE) characteristics of an engine (E). The method consists in the preliminarily "pollution" of E with an etalon pollution mixture (EPM) of fuel and oil, which ensures its working in a fixed mode. Upon use of 20-40 l EPM the E is stopped, cooled, dissembled and pollutions (P) are registered. Then E works on the test fuel at standard modes (SM). Its TE characteristics are measured. Then P is registered again. Parameters of SM are given.
EFFECT: increased degree of reliability and objectivity of determining the washing ability of petrol and diesel fuel.
9 cl, 4 tbl
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