Influence of blade installation angle spanwise distribution on the energy characteristics of mining contra-rotating axial flow fan [PDF]
Scientific ReportsAs the global demand for energy conservation increases, achieving efficient energy conversion in fans has become a significant challenge in the field of mine ventilation.
Yongping Chen +7 more
doaj +4 more sources
Experimental and numerical investigation of endwall flow control through air injection in a contra rotating fan [PDF]
Scientific ReportsThis study reports on an experimental and numerical investigation of tip leakage flow control and its effects on the endwall flow structure and stall evolution of a contra-rotating fan.
Maryam Sadoddin, Hossein Khaleghi
doaj +2 more sources
Flow Characteristics and Loss Mechanism of Tip Leakage Flow in Mining Contra-Rotating Axial Flow Fan
Applied SciencesTip leakage flow interacts with the mainstream, impacting the energy transmission process within the impeller of the fan and causing a significant flow loss.
Yongping Chen +3 more
doaj +2 more sources
Frontiers in Physics, 2023 Introduction: In the present paper, experiments for a contra-rotating axial fan have been conducted to investigate the influences of the fan parameters including axial distance, blade number, blade pattern and blade thickness on the performance and noise
Yanjie Zhao +4 more
doaj +1 more source
Internal Flow Condition of High Power Contra-Rotating Small-Sized Axial Fan [PDF]
International Journal of Fluid Machinery and Systems, 2013 Data centers have been built with spread of cloud computing. Further, electric power consumption of it is growing rapidly. High power cooling small-sized fans; high pressure and large flow rate small-sized fan, are used for servers in the data centers and there is a strong demand to increase power of it because of increase of quantity of heat from the ...
Toru Shigemitsu +2 more
openaire +1 more source
Experimental study of the instationary flow between two ducted Counter-rotating rotors [PDF]
, 2013 The purpose of this work is to study experimentally the aerodynamic characteristics of a subsonic counter-rotating axial-flow fans system operating in a ducted configuration.
BAKIR, Farid +4 more
core +6 more sources
Time-domain harmonic balance method for aerodynamic and aeroelastic simulations of turbomachinery flows [PDF]
, 2013 A time-domain Harmonic Balance method is applied to simulate the blade row interactions and vibrations of state- of-the-art industrial turbomachinery configurations. The present harmonic balance approach is a time-integration scheme that turns a periodic
Besicovitch A.S. +5 more
core +1 more source
Influence of design parameters on the global performances of low-speed counter-rotating axial-flow fans [PDF]
, 2014 The present work aims at experimentally investigating the effects of some parameters on the performances of a counter-rotating stage, and on the instationary flow between the rotors.
BAKIR, Farid +2 more
core +4 more sources
Experimental study on performance of contra-rotating axial flow fan [PDF]
International Journal of Coal Science & Technology, 2015 Contra-rotating axial flow fan is a kind of the vital equipment in coal mines. Their work conditions directly affect the safety of staff and production. In the paper, the performance of the contra-rotating axial flow fan is experimentally investigated. The study is focused on the fan performance, the shaft power and the match between the motor and fan ...
openaire +1 more source
Design and Experimental Validation of a Ducted Counter-rotating Axial-flow Fans System [PDF]
, 2012 An experimental study on the design of counter-rotating axial-flow fans was carried out. The fans were designed using an inverse method. In particular, the system is designed to have a pure axial discharge flow.
Bakir +21 more
core +8 more sources