Vol 3, No 1 (2009)

The work examines starting devices for an internal combustion engine of the automobile URAL-432031, their structure and characteristics of their component, results of the tests conducted in the Ryazan military automobile institute.

The article deals with the results of the numerical research of the engine exhaust noise reduction by means of coaxial arrangement of muffler exhaust pipes. This method provides significant exhaust noise reduction. The optimal ratios of pipe cross sections are determined.

The article is about study of influence of steerable wheels disbalance and manufacturing inaccuracy of brake disks on and local vibration. There is the method of dynamic absorbing of resonance oscillations. The author suggests a principle design of a dynamic absorber of oscillations.

This paper deals with principles of realisation of algorithms of antilock brake system (ABS) in modern vehicles and their further developement.

This article considers the method of experimental estimation of automotive friction clutch slipping work and power. The authors give the theoretical basis of the proposing method and estimate its precision. In this case the research time and expenses are reduced and decreasing of explored processes precision should not exceed 10 % which is acceptable for many engineering investigations.

This article presents a mathematical model of tire cornering coefficient for wheeled vehicles and suggests a method of the coefficient calculation

The paper examines the problem of mathematic description of partial characteristics of the internal combustion engine. It is the most advisable to describe the experimental speed performance of engine by means of the multidimensional spline approximation. This method provides creating the surface which copies the experimental speed performance with rather range of accuracy.

Results of experimental researches structured noisereduced materials and the details that have been lead with use of specialized laboratory - bench installations (Cabin Alpha, Tower Pisa, RTC-3, Oberst) are submitted. Illustrative examples of constructive - technological structurization of details (linings, panels and upholsteries), providing decrease in noise of vehicle are resulted. Results of the researches lead by authors testify to essential reserve increase in acoustic efficiency noisereduced materials and details.

The article considers results of analytical study on optimization of power distribution in multiaxis all-wheel drive vehicles. On the basis of multicriterion optimization methods the authors conducted the research influence of interaxial and cross-axle power distribution on vehicle controllability, stability and fuel efficiency.

The article considers experimental investigation of influence of tungsten alloying by transitive metals of IV A - VI A groups on its thermoemission properties. It is established that at temperatures of test 1500 and 2400 С almost monotonous reduction of electron work function of pure tungsten is observed after additing of the given alloying elements. It is shown that at a certain temperature on surface of the sample the layer of atoms of zirconium adsorbed from internal volumes is formed that essentially increases alloy thermoemission.

The rolling process of titanium and nickel alloy-based round and hexagonal rods using the «280-380» mill is considered. The technical specification of the rolling mill and straitening machine is given. The paper considers power data calculation which is important for forming tool correction. The above mentioned equipment makes possible to roll the rods of required shape and provide high mechanical properties of rolled materials.

Photoprocesses in a plastic scintillator irradiated by UV-laser were studied. The spectral properties and structure of photoproducts in irradiated plastic scintillator were found. The mechanism of photochemical processes leading to radioluminescence signal decrease in the scintillator during its usage has been suggested

The article considers monitoring of the microarc oxidation process via PC. A series of computer programs is developed. The obtained results allow to assess the sustainability of the process in various modes and at different stages of the process of oxidation and to determine the time of transition to a dangerous regime.

In modern machine-tool industry welded base constructions are rather widely used. The calculation is realized, as a rule, without the consideration of weld joints and the change of material properties in heat-affected area. In this project the task of development and check of effective simulation of base details on the basis of Finite elements method is solved.

The article is about peculiarities and principle of operative information analysis in the system of decision making support for industrial testing of devices are considered. The main goal of the device assessment is to select devices capable of utilization. The information analysis orientates on detection and consequent tracking of the joint tendency of device parameter changing. The vector autoregression which connects current and past values of parameters is used to model the devices during their industrial testing.

Abrasive-polymeric brushes have been known since 80s. They were successfully applied at internal surface machining for deflashing of leading edges in hydraulic distributor bores. Authors conducted operation of deflashing on milled crown of caps by means of brushes with abrasive polymeric fibres. Selected operation modes ensured high quality and reduced time of treatment.

There were introduced and analyzed such concepts as reduction of risk (including relative risk), and residual risk, that depends on removal from working medium ferroimpurities. There were found functional relatives with argument as efficiency of ferroimpurities removal and residual fraction of ferroimpurities in the working medium.

Proposed kinetic analysis of the processes of dissolution is based on use of principles of synergetics, fractal geometry, heterogeneous kinetics, using probabilistic approaches to the description of the interaction of oxide with a solution. The authors investigated in details the mechanisms of dissolution of magnetite and other oxides of iron in sour environments with the purpose to determine the mathematical equations that describe the kinetic curves of dissolution and leaching of magnetite.

The problems of the high-precision and automated control are actual for all branches of modern mechanical engineering. Modern trends dictate necessity to create the highly effective computerized information-measuring systems. One of the most effective means of establishing computerized systems of gathering and data processing is the software LabVIEW. The program of gathering and data processing from laser measuring system (LMS) with module application of data gathering PCI-1202H created by ICP DAS is described in Lab VIEW.There are modules of the program, created in the graphical programming language G (J). The methods of programming of computerized measuring systems are described. The results of experimental studies of created LMS with the computerized system of gathering and data processing are shown.

This paper describes the theoretical and practical components of formation of cross-cultural competence for students-economists by using a role-playing game. There are conditions that ensure the maximum efficiency of this kind of student's speech activity. Analysis of the procedural part of the linguistic interactions in role-playing games are provided. The characteristic of language material taking into account features of foreign language teaching in the conditions of technical university is given.

The questions focused on optimum use of innovative potential at integration processes of universities with manufacture and research organizations. Proposed to strengthen the role of Academic Boards and Councils for the Protection of doctoral and master's theses in the field of scientific expertise and innovative management functions, as well as advance training. Attention focuses on the distribution of system of confidential management in institutions and formation of the management of innovation development.

It is obvious that during the intensive process of informatization of education, new approaches, methods, new teaching materials are developed. The objective of this article focus on such methods as training in collaboration, project method, learning problems, notably : discussion, role-play problem orientation, etc. Because they're the most effective methods for the formation of linguistic and communicative competence of students at not language universities on material of socio-technical issues of the Internet, which is a priority today.

The necessity for a modern market economy to use government regulation of national economy are revealed. Especially, the necessity increases with the development of crisis situations in the national economy.

This paper deals with economic preconditions of creation of cars with a hybrid power installation. The results of the tests confirming decrease of the expense of fuel and toxicity of fulfilled gases of experimental car MAMI with a hybrid power installation on fuel profitability and toxicity of fulfilled gases are resulted.

The article analyses the level of mathematical preparation of graduates from the Russian schools. Problems of students' adaptation to the university education are considered. Problems of the transition to the two-level system of professional training are discussed.

In the article questions of prospects and possible trends in development of domestic highest professional education are discussed. The wide use of modern information and distant technologies in the educational process is proposed.

This article discusses the possibility of combining traditional and modern information technologies in educational process. A program of the course «Modern technologies of training» for the professional development of teachers is offered. Necessity of introduction on faculty of improvement of professional skill teachers of a rate "Information networks and telecommunications" is proved.

The questions of the organization of the educational process of improving teaching work at the present reform of higher education are considered.