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The feature of offered algorithm is that it allows, without record and analysis of the display diagram, to estimate a running cycle of a diesel engine parameters which characterize ecological and economic performances. The mathematical model described in report allows to determine connection of coefficient of filling, pressure and temperature of air boost, factor of excess of air with effectiveness ratio of combustion and contents of soot in exhaust gas and to take into account this connection at a choice initial data for control fuel feed or for elaboration of diesel engine dynamic model. The algorithm incorporated, for example, in the microcontroller of an electronic fuel feed controller allows analyzing the sensors data and theoretically determine of smoke amount in the exhaust gases for chosen cycle of fuel feed. The restriction of smoke is possible by criterion dD/dGT, where D - contents of soot in exhaust gas and GT - fuel cycle submission under the program-adaptive schema.

The influence of the operation discrete nature upon the dynamic and static properties of the diesel are considered. The dynamic model of the diesel taking into account four operation cycles was used for investigation. In constructing the diesel dynamic model the method of Gonchar [1] based on the energy and mass balance equations as well as on that of the operating body state was applied. The process of fuel combustion was calculated by Vibe's method [2]. The model of the one-cylinder diesel with the ideal electronic rotation frequency controller was used to demonstrate the influence of the discrete nature of the diesel operation upon the dynamic characteristics of the rotation frequency controllers. The diagram of the point-by-point transformations was constructed on the phase plane.

The problems of calculating non-steady temperature fields, in complex shaped axi-symmetric bodies in the processes of plastic forming as well as in working processes of ICE are concerned. A mixed method of solving this problem is proposed. According to this method, an axis section region of a complex shaped body is mapped conformally into a rectangle. A reduced boundary value problem for heat transfer is solved in this rectangle. The numerical method of a time-depending heat transfer modelling at the forming processes of impeller disk of a gas turbine is concerned.

The actuator is the essential part of the automatic control system of the diesel crankshaft rotation frequency. The actuator on base of the linear electromagnet is considered. The purpose of this paper is to determine the conditions of receiving minimum of the weight and to optimize the parameters of the actuator. The exact calculation of the leakage of the magnetic flux and the parameters of magnetic circuit allows to find the characterisctics of the actuator precisely. In order to investigate the magnetic field in the axi-simmetric and planar complex shaped bodies such a stator and rotor of the electrical machines we have to solve Maxwell equations in these bodies. In this paper we use the Finite element method to calculate the magnetic field because it makes possible to avoid the dificulties connected with the complex shape of the system. The results of this paper allows to choose the material, configuration and parameters of the actuator optimally.