Keywords: diesel engines.

Results are described on investigations of the fuel torch temperatures when acting with hot nitrogen and a flat wall. It is also shown that the heat-and mass exchange is going in all the fuel torch volume.

Keywords: diesel engines.

Engineering calculating technique is described of the heat release in the diesel engine with the combustion chamber in the piston. Experimental data, received at CNIDI, are given on the heat piston and cover conditions of boosted diesel engines with the volumetri-film mixing.

Keywords: diesel engines.

Main dependences of the flow theory are given for the axial symmetrical task of the thermal plasticity. Distribution of thermoplastic stresses in the low speed marine diesel engine piston head is determined using the method of final elements.

Keywords: diesel engines.

Regression models are given, providing prediction on the first inspection and up to the overhaul on the heat engineering and constructive engine parameters at the first stage of designing.

Keywords: diesel engines.

The method of investigation of strength increase of casted engine blocks is described. Results are given of investigation of the reliability improvement of boosted engine blocks PD1M (6ChN31.8/33) installed on locomotives TEM1 and TEM2.

Keywords: diesel engines.

Results are given of evaluation of the air excess coefficient of the fuel combustion effectiveness, mean temperature of heater walls at the operation on different kinds of fuels, and also number, length and diameter of heater tubes and air heaters on the effectiveness of the heat delivery to the operating body of the Stirling engine.

Keywords: diesel engines.

Imitation operating conditions for automotive engines are theoretically proved for their operation in fields and on brake benches, based on the analysis of three-dimensional structures under non-steady state conditions. Given three- dimensional structures show the relation between components of the movement equation, which is necessary for modelling of operating conditions, close to field conditions, when testing engines.

Keywords: diesel engines.

The definition is considered of boundary points of the transient curve intersection with the involute and the tooth thickness in the facing area at cutting of straight- tooth cylindrical tooth wheels by hob cutters without a prominence. Calculation technique is developed and tables are made both for sharp and round-off rack.

Keywords: diesel engines.

The task of the optimum fast action is considered for adjustment of the disturbance effect on the gas-turbochar- ged diesel-generator fitted with the electro-hydraulic heat supply system with the additional air supply. Control algorithms are given for the maximum fast action for adjustment of load increase and drop.

Keywords: diesel engines.

The fuel delivery system is described for the engine 8ChN26/26, and also the electro-hydraulic nozzle, its main characteristics and some results of the engine tests.

Keywords: diesel engines.

Effect of the endogene strength by nitride of zirconium and cerium on the high alloy strength on the chrome base is shown in comparison with the soluble and inter- metal alloys.

Keywords: diesel engines.

Results are given of roentgenograph ic investigations of a thin cristal structure, and residual microstresses in surface layers of the engine GAS-52-04 crankpins are defined after a vehicle has run and crankpin machined by different methods of the mechanical treatment.

Keywords: diesel engines.

The method for the increase of the detail form precision is considered at the external centreless grinding. The technique is offered to define the optimum static adjustment of the centreless grinding machine, its use for the machine of model VSH-615, provided the decrease of the non- ronud value of injector nozzle needles more than four times.

Keywords: diesel engines.

The main point of the atmospheric pressure effect on parameters of the air supply to cylinders, speed and pressure ratio in a supercharger are described, considering the engine communication with the supercharger, nominal boosting and operating conditions. Analysis results are given of experimental investigations of engines 12ChN18/20, carried out at simulating test beds and in fields at high altitude.

Keywords: diesel engines.

Correlation connection is considered between main parameters of a main marine diesel engine, their evaluation is given by means of possible characteristics. Investigation results can be used for evaluation of linearity of load control channels and the engine control, and also to study their dynamic features.

Keywords: diesel engines.

Results are given of a summary of main marine engine characteristics in a similarity criterion. Received dependences are used for an approaching analysis of the speed governor setting effect on the safety against buckling variation on the main engine supercharger surging when main marine engines are operating at swinging conditions.

Keywords: diesel engines.

Results are given of experimental investigations on the rod mass effect, the spring rigidity and pressure at the injection start on the atomizer coking. The mass decrease of moving parts leads to the decrease of the atomizer tendency for coking when the pressure at the injection start s decreased.

Keywords: diesel engines.

The starting properties of the engine 12ChN 18/20 are investigated in the diesel-generator set at low temperature.

Keywords: diesel engines.

Amendments of reliability data of low-speed national diesel engines are considered in dependence on their production time. It is shown that the long experience in the engine production and ^their service lead to the engine improvement from year to year, and the engine modifications increase their reliability data. Standard numerical data of the engine reliability and their main units are shown.

Keywords: diesel engines.

Classification is offered for drive mechanisms of the drum type engines, considering structure, kinematic and dynamic differencies of mechanisms, which determine main engine properties. This classification allows to formulate main requirements of the drive mechanism structure for drum type engines, and it seems necessary when developing algorithms of their kinematic and dynamic calculation, and also at their new construction synthesis.

Keywords: diesel engines.

Dependence of oil consumption economy and national automobile diesel engine reliability on the motor oil evaporativity is defined. Oils of wide range of viscosity, viscosity index and oil evaporativity were investigated.

Keywords: diesel engines.

Production tendencies and high-speed diesel engine application abroad are described on the base of published news and problems of their lubrication, methods of evaluation of motor oils used in very severe conditions.

Keywords: diesel engines.

The formula is offered for the approximation of experimental data on boundary condition distribution of heat exchange on the piston-or cover bottom.