Research Data of Microturbine Nozzles with Outlet Angles Under 9 Degree

Ibragimov, Damir I.; Mochalov, Aleksandr; Ilinskiy, Yu.

doi:10.1016/j.proeng.2017.10.506

Cited by 2 publications

(1 citation statement)

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“…5 demonstrate that 𝜂𝜂 𝑠𝑠𝑠𝑠 increases with pressure loss 𝜋𝜋 −1 despite that 𝜎𝜎 𝜕𝜕 𝑚𝑚𝑚𝑚𝑚𝑚 decreases with increase in 𝜋𝜋 −1 . In workshop system it is assumed to apply standard pressure of 0.63 MPa [18,19,20,21,22]. Analyzing the plots in Fig.…”

Section: Discussionmentioning

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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Section: Discussionmentioning

confidence: 99%