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Design optimization of contra-rotating axial flow fan using a SHADE-based approach
Aerospace Science and TechnologyContra-rotating fans are known to offer an efficient solution for applications requiring high pressure and low energy consumption. This study introduces a novel approach utilizing a metaheuristic algorithm for the optimal design of a contra-rotating axial flow fan.
HACHEMI Madjid +2 more
exaly +4 more sources
Experimental study on performance of contra-rotating axial flow fan [PDF]
International Journal of Coal Science and 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 ...
exaly +2 more sources
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Effect of Tandem Blading in Contra-Rotating Axial Flow Fans
Volume 2A: Turbomachinery, 2018With the ever-increasing demand for improved fuel efficiency and lower emissions, there is a significant emphasis on finding innovative design solutions that can replace or significantly improve the present-day turbomachinery designs. The concepts of contra-rotation and tandem blade configuration are two different methods of achieving better ...
Manas Madasseri Payyappalli +1 more
openaire +1 more source
Unsteady flow condition of contra-rotating small-sized axial fan
Journal of Thermal Science, 2011Small-sized axial fans are used as air cooler for electric equipments. But there is a strong demand for higher power of fans according to the increase of quantity of heat from electric devices. Therefore, higher rotational speed design is conducted, although, it causes the deterioration of efficiency and the increase of noise.
T. Shigemitsu +4 more
exaly +2 more sources
Performance and flow condition of small-sized axial fan and adoption of contra-rotating rotors
Journal of Thermal Science, 2010Small-sized axial fans are used as air coolers for electric equipments. But there is a strong demand for higher power of fans according to the increase of quantity of heat from electric devices. Therefore, higher rotational speed design is conducted, although it causes the deterioration of the efficiency and the increase of noise.
Toru Shigemitsu
exaly +2 more sources
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, Junichiro Fukutomi
exaly +2 more sources
Performance and Flow Condition of Contra-rotating Small-sized Axial Fan at Partial Flow Rate [PDF]
International Journal of Fluid Machinery and Systems, 2010 Small-sized axial fans are used as air cooler for electric equipments. But there is a strong demand for higher power of fans according to the increase of quantity of heat from electric devices. Therefore, higher rotational speed design is conducted, although, it causes the deterioration of efficiency and the increase of noise.
Toru Shigemitsu, Junichiro Fukutomi
exaly +2 more sources
Internal Flow Conditions of Contra-Rotating Small-Sized Axial Fan
ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2011Small-sized axial fans are used as air cooler for electric equipments. But there is a strong demand for higher power of fans according to the increase of quantity of heat from electric devices. Therefore, higher rotational speed design is conducted, although, it causes the deterioration of efficiency and the increase of noise.
Toru Shigemitsu +3 more
openaire +1 more source