Keywords: engine.

Requirements are formulated to find an optimum locomotive characteristic, meaning the maximum efficiency of a transport diesel-generator. The limiting characteristic location is defined mathematically. Examples show the use of this method in practice.

Keywords: diesel engines.

Calculation and theoretical investigation is shown of the effect of combustion chamber sizes, air excess coefficient, compression ratio and the law of fuel combustion on heat losses in an engine.

Keywords: diesel engines.

Analytical expression is given for the fuel combustion period in a diesel engine.

Keywords: diesel engines.

Evaluation of the calorific intensity is considered for high speed transport diesel engines, of dimensions 15/15 and 15/18, given by a closed thermocouple, located in a fixed point of the combustion chamber volume. Reading dependence of this thermocouple is traced, showing mean effective heat flow, chosen on calorific intensity criterion from the operating parameters, pressure ratio and coefficient of the air use. Method of control is offered for the engine heat load and uniformity of the cylinder operation under experimental adjusting-and-service conditions.

Keywords: diesel engines.

Method of the stress calculation is given on crankcase post port profile of modern casted-welded engine blocks. Investigation results are given of strain and fatigue strength in radius transition of crankcase post port profile of the casted-welded engine block for a new in-line diesel engine 6ChN26/26 and methods to increase its supporting power.

Keywords: diesel engines.

The original calculation technique for thickness of the oil film made by the piston ring 6mL is offered, its main difference from all concerned published reports is the opportunity to consider both alteration of the ring profile during the calculation, heat condition of friction parts, lubricating oil and the engine operating parameters.

Keywords: diesel engines.

Effect of marine shaft lines with propellers on resonance unit vibrations are taken under consideration. Recommendations are given to ensure safety of unit vibrations in diesel engine reduction gear units at their design.

Keywords: engines.

The use of Poincaret method is considered to solve equations, describing torsional vibrations in the system, the inertia moment change in KLM is taken into account.

Keywords: engines.

Theoretical and experimental investions are considered of factors most important for the problem of the main engine details wear at non-steady operating conditions. Analytical relations between the piston stroke and adjusted moment of inertia are defined, and also the details wear rate proves to be determined by the dynamic characteristic of the engine torque. Technique of the experimental determination of the details wear rate is given, and a blockcircuit of the brake test bed is shown.

Keywords: engines.

The method to describe dynamic properties of an automatic control system for internal combustion engines is offered, by means of differential equations with variable coefficients, pro- biding the higher analysis accuracy.

Keywords: engines.

Operating conditions are considered of the friction pair: cam shaft- cam follower, necessary at developing of new materials for these parts of supercharged engines.

Keywords: diesel engines.

The fuel supply system classification is given with the starting pressure control (RND), on provoking and control of this pressure. Main principle diagrams of the system with RND are given. Investigation results are shown of RND effect on the fuel equipment operation and a diesel engine in the whole. It is shown that the system with RND should be implemented into the national economy to increase efficiency, power output and service life of above said diesel engines.

Keywords: engines.

An installation is described, provided for arising and measuring of non-stationary, periodical and non-periodical heat flows and contact pressure between contact surfaces. It allows to deffine the separate effect on non-stationary heat exchange intensity through the contact area of important characteristics, defining intensity of this process. This installation can be used at investigation of the contact heat exchange process in the heat-and-power equipment.

Keywords: engines.

Results are given of torsional vibration harmonic analysis for the shaft line of a power plant with the engine 8NVD-36, fulfilled using the tracking analyzer of vibration spectrum, and also the analyzer construction diagram.

Keywords: engines.

Main strength characteristics are considered of a group of heat resistanl casted titanium alloys al normal and elevated temperatures.

Keywords: engines.

Production control is considered as a construction-information graph. Each process function is given as a sum of works, which be automatic, meaning their cost reducing. The algorithm for selection of the best system of automated works is offered, considering their interrelation and location on the construction-information graph.

Keywords: engines.

Problems are considered of the efficiency increase when using machine tools with numerical control, taken as an example the Penza plant, producing diesel engines and turbochargers, to treat parts for diesel engines and turbochargers Analysis is given ot the economical reason to treat the tnrbocharger casing on the machine tool of ?? type.

Keywords: engines.

Complex control system is considered of the shaft group condition and results of its application. Recommendations are given for its practical realisation at technical maintenance of marine diesel engines.

Keywords: engines.

Allowance calculation is considered for the operative-calendar .planning, o. g. for calculation of engineer working time needed for the technological preparation of a new item production. Correlation models are-developed to define the labor cost for design and normalization of technological processes for original details manufacturing. In order to decrease the labor cost of the normalization process the method is offered to solve the problem, using the computer on the basis of a design-technological classifier.

Keywords: engines.

Investigation results are given of injection main characteristics in a given nozzle, and also diagrams of characteristic alteration on period of lowering and lifting, dependent on return spring stiffness.

Keywords: engines.

Study of this course at colleges for diesel engine specialists is proved to be necessary, on the basis of analysis of main trends in the diesel engine industry. Main philosophy and draft course program are described.

Keywords: engines.

Some investigation results are given of the problem of use a camshaft, mechanism in the diesel engine industry. Possible advantages of the engine are mentioned, where a roller piston, moved on a profile surface, makes reciprocating movement in rotating block rectangular cylinders.