Nº 2 (2009)

Articles

Research of influence of tangential fluctuations of the cutter on the roughness of the processed surface

Abdallch Alaa -.

Resumo

In clause influence of tangential fluctuations on a roughness of the processed surface is investigated. It is shown, that application combined державки a cutter leads to decrease in a roughness.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):5-10
pages 5-10 views

Design technique system of automatic control tent-bed test

Dubrovskiy R.

Resumo

A design technique system of automatic control is presented. And the example of application of this method is described on creation of the system of automatic control on a stand.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):11-15
pages 11-15 views

Research correlation of vibrations at cutting with quality of received surface

Kozochkin M., Solis N.

Resumo

The article is devoted to research of vibration mechanism that has influence in cutting process. This publication is dedicated to ultrasonic machining as means of amplitude regulation of cutting tool autooscillations by means of relaxation with high frequency of potential energy, being accumulated in elastic system while cutting chip. Some examples of oscillation were given by mechanical working of different materials.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):16-23
pages 16-23 views

Research micro-and nanoroughnesses of the surface after machining

Kopylov V.

Resumo

In clause importance of normalization of a roughness of a surface is analyzed and comparison of results of definition micro-and nanoroughnesses is made.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):24-32
pages 24-32 views

Research of the is intense-deformed condition in a design of knot of fastening of a cutting plate using method of photo elasticity

Popikov A., Rogov V.

Resumo

On poljarizatsionno-optical models the is intense-deformed condition of knot of fastening of a cutting plate is studied. Fields of pressure depending on a material and geometry of the basic plate, arising are modelled at cutting in the field of contact of a cutting plate to a basic and basic plate with the cutter case.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):33-41
pages 33-41 views

. The assembling size chain optimization on the designing stage

Rastorguev G.

Resumo

Calculation procedure of assembling size chains on the designing stage is considered. Variants of optimization of the concluding link limit deviation using principle of equal accuracy are suggested.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):42-47
pages 42-47 views

Recent Advances in Friction Stir Welding Process

Rogov V., Walid Mahmoud Shewakh -.

Resumo

Friction stir welding is a refreshing approach to the joining of metals. Although originally intended for aluminum alloys, reach of FSW has now extended to a variety of materials including steels and Polymers. This review deals with the fundamental understanding of the process.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):48-51
pages 48-51 views

The effect of the strength of tool clamping in the chuck on the process of glass ceramics drilling

Rogow V., Shkarupa M.

Resumo

The results of the investigations of glass ceramics diamond drilling are given in the paper. The diagrams of radial drill deflection for a chuck drill with a different number of clamping elements are plotted. The dependence of radial strength of the chuck-drill system on the number of clamping elements in the chuck is shown.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):52-58
pages 52-58 views

Research of working capacity of the drilling-milling cartridge

Hasan Al Dabbas -.

Resumo

In work the description of a design and results of research of characteristics a drilling- milling cartridge is resulted.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):59-66
pages 59-66 views

Discrete noise approximation of axial compressor and centrifugal fans

Alekseev A.

Resumo

Equations for discrete noise approximation of axial compressor and centrifugal fans depending upon number of geometrical and operating parameters are obtained.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):67-70
pages 67-70 views

Output and rotation frequency of single-shaft gas turbine

Antipov Y., Barsky I., Shatalov I.

Resumo

The equation (7) gives dependence between single-shaft gas turbine output and rotation frequency.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):71-74
pages 71-74 views

Improvement of gas turbine performance at high temperatures of ambient air

Antipov J., Barsky I., Shatalov I., Terekhov D.

Resumo

Different ways of increasing gas turbine power at high temperatures of ambient air are analysed.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):75-79
pages 75-79 views

Design of a head of small-sized diesel engine with in view of thermal stress level condition

Vallejo Maldonado P., Grishin D., Lodnya V., Sigay E.

Resumo

On an example of designing a head of small-sized diesel engine MD-8 the technique and results of the analysis of a thermal condition of a design with use of toolkit Solid Works and COSMOS Works are resulted. It is shown, that existing in Autodesk Inventor the concept of the organization and construction of assembly units is most convenient in internal-combustion engine design in view of great volume of changing analyzed parameters.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):80-86
pages 80-86 views

A compressor blade profile

Vinogradov L.

Resumo

An article presents a method for calculating the coordinates of a compressor blade profile based of circle.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):87-91
pages 87-91 views

Research brake stands for testing small sized ice

Gusakov S., Epifanov I., Ukleikin V., Mahmoud Mohamed El Ghobashy El Hagar -.

Resumo

The urgency of a problem of creation of research stands for testing small sized IСE is defined by a wide circulation of engines of such type for mechanization of the manual skills, intended for use in structure of mobile vehicles and means of mechanization of auxiliary operations. During too time carrying out of tests of such type of engines at typical brake stands with the maximal rated power tested ICE 50-100 kW unfairly neither from the economic point of view, nor from the point of view of maintenance of comprehensible metrological characteristics. In article the basic approaches to create of the small sized stand basis of serially let out devices and known technological decisions are considered.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):92-98
pages 92-98 views

Research the assembling process of the piston rings of ice on the piston

Zhed O., Kazakova A., Koshelenko A.

Resumo

In this research the method of photomechanics used to investigate stress condition in piston rings of the internal combustion engine (ICE) due to their deformation in assembling process on the piston.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):99-105
pages 99-105 views

The analysis of dependences for the estimation of centrifugal blad's machines noise

Mamaev V., Vlasov E.

Resumo

The analysis of dependences of an estimation of a level of the sound power, offered by various authors, with reference to two inlet radial fans and to one-stage radial compressors with blade's diffuser is given. The new formula for an estimation of a level of the sound power, taking into account, as aerodynamic characteristics, so geometrical parameters of radial machines is offered.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):106-113
pages 106-113 views

Problem questions of development of manufacture and consumption of biofuels in Russia

Ponomarev E., Gusakov S., Ponomarev A.

Resumo

Three basic problems facing to mankind in the 21st century are designated in the article: power engineering, foodstuffs and ecology. Limited nature of fossil energy sources, in particular for use as motor fuels for internal combustion engines, promotes expansion of different works in many countries on search, manufacture and application of alternative sources of energy, received from vegetative raw materials. The authors consider the situation concerning this problem in the Russian Federation, and offer actions for technologies delay liquidation efforts in bioenergetics area.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):114-118
pages 114-118 views

Refrigerant influence on performance of heat pump

Frolov M., Shatalov I., Antipov J., Terekhov D.

Resumo

Analysis of refrigerant influence on heat pump performance is given in this paper. Advantages of alternative refrigerants are shown.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):119-123
pages 119-123 views

Creation of laboratory «nanosystems in mechanical engineering»

Rogov V., Kopylov V., Soloviev V.

Resumo

In clause importance of normalization of a roughness of a surface is analyzed and comparison of results of definition micro-and nanoroughnesses is made.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):124-127
pages 124-127 views

The information about study-scientific laboratory «energy-saving up technologies»

Gusakov S.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):128-129
pages 128-129 views

Review to the monograph V.A. Rogov «Nanotechnologies in mechanical engineering»

Itbaev V., Migranov M.
Bulletin of Peoples' Friendship University of Russia. Series Engineering researches. 2009;(2):130-131
pages 130-131 views

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