Results 21 to 30 of about 33,160 (211)

GAS-DYNAMIC EFFECT BY ANNULAR BLOWING ON FLOW IN AXIAL COMPRESSOR STAGE

Авіаційно-космічна техніка та технологія, 2017
The paper presents the results of an evaluation of the efficiency of the gas-dynamic effect by annular blowing on the flow in the axial compressor stage.
Ю. М. Терещенко, Е. В. Дорошенко, И. А. Ластивка, И. П. Кудзиновская   +3 more
doaj   +1 more source

Quasi-2D Performance Analysis for Axial Compressors Based on Time-Marching Method

Xibei Gongye Daxue Xuebao, 2020
In order to get a fast performance analysis tool for multi-stage axial compressors, a quasi-two dimensional analysis model based on time-marching method is developed in this paper.

doaj   +1 more source

An Evaluation of Passive Wall Treatment with Circumferential Grooves at the Casing of the First and Second Blade Rotor Rows of a High-Performance Multi-Stage Axial Compressor

Aerospace
The internal losses in the tip clearance region strongly influence the compressor performance and its operational range. Previous research proved that passive wall treatments with circumferential grooves in axial compressors effectively increase the ...
Ruben Bruno Diaz, Jesuino Takachi Tomita, Cleverson Bringhenti, Franco Jefferds dos Santos Silva, Diogo Ferraz Cavalca   +4 more
doaj   +1 more source

Stability management of high speed axial flow compressor stage through axial extensions of bend skewed casing treatment

Propulsion and Power Research, 2016
This paper presents the experimental results to understand the performance of moderately loaded high speed single stage transonic axial flow compressor subjected to various configurations of axial extensions of bend skewed casing treatment with moderate ...
DilipkumarBhanudasji Alone, S. Satish Kumar, Shobhavathy M. Thimmaiah, Janaki Rami Reddy Mudipalli, A.M. Pradeep, Srinivasan Ramamurthy, Venkat S. Iyengar   +6 more
doaj   +1 more source

A comprehensive review of numerical and experimental techniques for enhancing axial flow compressor performance under various flow conditions

Cogent Engineering
The fan, compressors and turbines are the main rotating components of a modern aircraft turbofan engine. The stable and safe performance of the propulsion system always depends on the inlet and engine compatibility.
Vishwaretha K. R., Sudheendra Prabhu K., Anand S. N., Srinivas G   +3 more
doaj   +1 more source

Numerical Investigation on a Axial Slot Casing Treatment of a Large Circumferential Interval and Small Opening Area

Energies, 2021
Axial slot casing treatment is a common method to extend the stall margin of a compressor. Based on the mechanism of unsteady flow control, this paper redesigns axial slots with large circumferential interval and small opening area. To test the effect of
Zepeng Liu, Guoping Huang, Omer Musa
doaj   +1 more source

The investigation of absolute flow non-uniform velocity distributions influence at the centrifugal compressor axial radial impeller inlet using numerical calculation methods in ANSYS CFX [PDF]

E3S Web of Conferences, 2019
Currently, methods of numerical modelling are widely used. They are especially widely used in the design of turbo compressors. For the specific task of designing new flowing parts of a centrifugal compressor, it is not recommended to deviate from the ...
Rakhmanina L.A., Zuev A.V., Petrov A. Yu., Aksenov A.A., Nguyen Minh Hai   +4 more
doaj   +1 more source

Determining the influence of roughness and tip clearance on the axial multistage compressor characteristics

Авіаційно-космічна техніка та технологія
The operation of gas turbine engines inevitably increases the blade roughness and tip clearance in multistage axial compressors. The result is an increase in its thermogasodynamic parameters. The reason for the increase in the roughness of the blades and
Vadym Datsenko
doaj   +1 more source

TO THE OPTIMUM DESIGN OF THE AXIAL MULTI-STAGE COMPRESSOR

Авіаційно-космічна техніка та технологія, 2017
The work is devoted to the development of an integrated approach to the aerodynamic improvement of the blade vanes of multistage axial compressors of gas turbine engines.
Владимир Петрович Герасименко, Михаил Юрьевич Шелковский   +1 more
doaj   +1 more source

Investigation of Different Rotational Speed Characteristics of Multistage Axial Compressor in CAES System

Energies, 2023
An axial compressor has high efficiency under design conditions, but its stable working range is narrow. Adjusting the rotational speed can effectively expand the stable working range.
Pengfei Li, Zhitao Zuo, Xin Zhou, Jingxin Li, Haisheng Chen   +4 more
doaj   +1 more source