Results of the Study Rotor Wheels Supersonic Microturbines with a Large Angle of Rotation of the Flow

Fershalov, Andrey Yu.; Fershalov, Mikhail Yu.; Fershalov, Yuriy Ya.; Sazonov, Timofey V.

doi:10.4028/www.scientific.net/amm.752-753.884

Cited by 2 publications

(1 citation statement)

References 10 publications

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“…Nonautonomous pneumatic drive (hereinafter referred as the drive) operating from external source of compressed air is widely applied in mechanisms of ship and aircraft power plants as well as in machinery spindles and manual pneumatic tools [1,2,3,4,5,6,7]. Compressed air can be generated by individual compressor, air can be tapped from compressor stage of aircraft gas turbine engine or plant compressor station.…”

Section: Introductionmentioning

confidence: 99%

Coordination of Variables of Nonautonomous Pneumatic Drive with Hydraulic Properties of Supply System

Kuznetsov¹,

Zakharov²,

Mironov³

et al. 2018

IJET

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This article discusses the issues of operability of nonautonomous pneumatic drive under workshop conditions. It is mentioned that in order to provide efficient operation and achievement of rated modes by nonautonomous pneumatic drive, it is required to coordinate its variables with variables of air supply system. On the basis of one-dimensional equation of adiabatic gas frictional flow in cylindrical pipe, the problem of determination of maximum achievable power by nonautonomous pneumatic drive at fixed hydraulic properties of supply system has been solved. The obtained dependences make it possible to calculate minimum allowed pipeline diameter of supply system providing preset maximum power of pneumatic drive. It is proved that the coefficient of total pressure conservation corresponding to maximum drive power is precisely determined by available pressure drop and does not depend on hydraulic properties of the system, and in order to achieve maximum drive power, strictly determined portion of available flow energy should be consumed for overcoming of the system hydraulic resistance not depending of reduced pipeline length.

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