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Результаты исследовательских испытаний нового типа привода…

5

The results of research tests of a new type actuator based on

the effect of “Ultimate pneumatic hammer” in the radial

gas-static bearing

© Yu.V. Peshti, I.S. Tkachev

Bauman Moscow State Technical University, Moscow, 105005, Russia

The article considers a possibility of creating a drive based on the effect of “Ultimate

pneumatic hammer” in the radial gas-static bearing. It summarizes the conditions of oc-

currence of the effect of “limiting pneumatic hammer”. We

draw up recommendations

on the application of the drive in the air conditioning systems of modern aviation air-

craft, refrigeration. The prospects of the use of the drive as the rotating mechanism of

intrinsically safe shut-off valve are shown

. The

first results of theoretical studies of gas-

static bearings operating in the “limit pneumatic hammer” mode were obtained in a

three-dimensional mapping

. For the first time we present a stand for investigation of

driving performance, as well as the first results on the basis of which we defined

features

of occurrence of the “limiting pneumatic hammer” mode. Also we

found equations and

the structure of the phase diagram, corresponding the regimes “pneumatic hammer” and

“limiting pneumatic hammer”. Basic conditions for the appearance of the “limiting

pneumatic hammer” mode were established.

Also for the first time we clarified depend-

ence, which leads to the effect of “limiting pneumatic hammer”. The basic design and

operational requirements of the developed drive were determined. Analysis of the ob-

tained results allowed to put forward further steps of development and the shape of a new

drive.

Ключевые слова:

limiting pneumatic hammer, gas-static bearing, drive, air condition-

ing systems, aviation.

REFERENCES

[1]

Peshti Yu.V.

Gazovaya smazka

[Gas lubrication]

.

Moscow, BMSTU Publ., 1993,

381 p.

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Trippet R.J., Oh K.P., Rohde S.M. Theoretical and Experimental Load-

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Studies of a Multileaf Journal Bearing. Tipies in Fluid Film Bearing

Design and Optimization: Presented of the Design Engineering Conference,

Chicago

. Illinois, 1978, April, рр. 130–156.

[3]

Design Gas bearings

. N.Y., Mechanical Technology Incorporated, 1969, 673 p.

[4]

Kunina V.V., Peshti Yu.V.

Vestnik MGTU im. N.E. Baumana, Ser. Mashi-

nostroenie — Herald of the Bauman Moscow State Technical University. Series

Mechanical Engineering

, 1998, pp. 151–159.

[5]

Certificate of authorship

no. 824714.

Sposob sozdaniya vrashchatel'nogo

dvizheniya vala

[A method for creating a rotational movement of a shaft].

[6]

Vygodsky

M.Ya

.

Spravochnik po vysshey matematike

[Handbook on higher

mathematics]. Moscow, AST: Astrel, 2006, 246 p.

[7]

Idelchik I.E.

Spravochnik po gidravlicheskim soprotivleniyam

[Handbook on

hydraulic resistance]. Moscow, Mashinostroenie, 1992, 672 p.