Keywords: engine.

Diagnostics effect on the engine reliability data is considered, and a new method is described on how to define the recovery number at any service life distribution before the first failure.

Keywords: diesel engines.

Experience of mastering of 4-stroke medium speed high supercharged engine 6ChN40/46 production is described. The part of the technological level of high supercarged modern diesel engines on individual examples during mastering of main engine parts.

Keywords: diesel engines.

The modern theory of the engine combustion is analysed. The definite part of the mixture process is shown. Main decisions for the engine combustion calculation method being developed.

Keywords: diesel engines.

The high speed diesel engine vibration is considered with in the frequence range 100 to 300 Hz, in some cases it is defined by forced crankshaft bending vibrations. The analytical technique is described to evaluate these vibrations effect on the engine vibration, and an example is given of its use on engines 6??5/18 and 6ChN21/21. It is shown that one way to eliminate this vibration is to change the shape of the normal force diagram acting crankpin and increasing the crankshaft stiffness.

Keywords: diesel engines.

Calculation results are given of the ideal gas onedimensional flow in the system cylinder-pipeline, using the method of decay-breakage, considering non-similarity of flow parameters along the cylinder. Calculation results are compared with the experiment data

Keywords: diesel engines.

Analytical investigation of calculation of the additional dynamic loading, effecting the high speed engine Chl0,5/13 crank and connecting rod assembly during the high pressure increase at the fuel combustion, considering damping of a pair piston-liner.

Keywords: diesel engines.

The locomotive engine effect on the crankshaft fatigue strength is investigated (6ChN31,8/33) of lengthwise macrostructure def?cts as linear sulphide accumulation, they being located on shaft necks and fillets. Methods of shaft strengthening by the fillet rolling are developed.

Keywords: engines.

Necessary application of a precise dynamic connecting rod model is considered for calculation of a star-engine dynamics. Dynamic criteria of the connecting rod evaluation are given, and also the need of its balancing.

Keywords: engines.

Results are given of automated design of air supply systems for KDVS, calculation examples are given on individual programs, and comparison with experimental data.

Keywords: engines.

Recommendations are given on the selection of parameters for all speed governor adjustment for low speed marine engines, meaning the operation process optimization when a ship is swinging.

Keywords: engines.

Problems are considered of joint function of predetermined and fine stages of dry air filter cleaning with filter-cartridges for tractor engines. Main data are shown of such a cleaning on tractors, and also characteristics of dispersion dust composition in filter-car-tridges. Effect of median particle size on operation air cleaner characteristics is shown, formulas are given for calculation of the initial dust capacity and its decrease at each maintenance of filter-cart-tridges.

Keywords: diesel engines.

Investigation results are considered of the axial turbine wheel heat condition of the turbocharger TK18B-12 on steady and non-steady operation heat conditions. The technique of the experiment procedure is described.

Keywords: engines.

Technique of the master form profile calculation is given, considering kinematic errors of the unit 5UK for a universal lathe.

Keywords: engines.

The service experience at tractor Charkov Works named after Lenin is summarized on the decrease of wear in the pair seat-valve of the gas timing mechanism by selection of materials and hardening by high-frequency current. Data on materials, used both in national and foreign diesel engine industry. Quality and numerical evalution are given of the cylinder head and valve wear at different kinds of strengthening.

Keywords: engines.

Results are given of road tests of the tractor T-150 ? with the pneumatic smoke limiting device. Feul characteristics of the tractor T-150 ? are considered with a drive at steady and non-steady movement, exhaust gas smoke, dynamic properties of a tractor.

Keywords: engines.

Necessary conditions are considered to accept operating oil parameters as diagnostic parameters. Values of diagnostic parameters are given for the diagnostics of marine engines G70-5, M400 and M401, calculated using spline-functions.

Keywords: engines.

Problems of toxical exhaust components of engines for wide field of application are described.

Keywords: engines.

Investigation results are given of gas and electric fuel heaters, ensuring reliability of the heater PZhD-30 starting and its operation at different negative temperatures. Recommendations are given on how to use these devices on other heater models.

Keywords: engines.

Mechanization of storing shops development is considered at plants of energomachine-building industry.

Keywords: engines.

The method of calculation of parameters of the engine heat recovery systems is offered, based on the problem of optimization, using the exergetic efficiency as a final function. Developed algorythm of the problem solution is applied to the optimum parameter system calculation for the complex heat recovery of the stationary diesel engine plants.

Keywords: engines.

Main features are described of the engineering method to evaluate variation of the engine parts heat condition at the engine supercharging and variable operating conditions.