FIELD: engines and pumps.
SUBSTANCE: diesel engine (2) includes piston (3) that is moved in cylinder (4) along sliding surface (5) between lower dead point (UT) and upper dead point (OT). Fuel is supplied to cylinder (4) of diesel engine (2) with a spraying nozzle. At the inlet zone of cylinder (4) there provided are blow-down slots (6) for supply of scavenging air (7). There is outlet valve (8) at cover plate (9) of a head of cylinder (4). When in working state, fresh air (11) is taken by turbosupercharger (12) and supplied through blow-down slots (6) to cylinder (4) as scavenging air (7). At least one first oxygen sensor (131) and one second oxygen sensor (132) are provided at sliding surface (5) of cylinder (4) to evaluate blow-down characteristics in cylinder (4). Method for optimisation of a process blow-down mode of a two-stroke diesel engine is described.
EFFECT: preventing damages to an engine.
15 cl, 3 dwg
