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http://dx.doi.org/10.7316/KHNES.2014.25.5.509

The Study of the Design and Control for the Hydrogen Recirculation Blower Noise and Vibration Reduction  

Bae, Ho June (Hyundai Motors Company)
Ban, Hyeon Seok (Hyundai Motors Company)
Noh, Yong Gyu (Hyundai Motors Company)
Jang, Seok Yeong (Hyundai Mobis)
Lee, Hyun Joon (Hyundai Motors Company)
Kim, Chi Myung (Hyundai Motors Company)
Park, Yong Sun (Hyundai Motors Company)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.25, no.5, 2014 , pp. 509-515 More about this Journal
Abstract
At the fuel processing system (FPS) of fuel cell vehicle, hydrogen recirculation blower (HRB) is used for the recirculation of remained hydrogen after reaction. In this paper, noise and vibration improvement of HRB is studied by changing design and control. It is checked the campbell diagram and critical speed for stability of rotor, and housing stiffness is improved using simulation of frequency response function (FRF). A method is suggested that can decrease the unbalance amount of the rotor and impeller which main source of noise and vibration. In order to reduce the noise during deceleration of blower, electrical braking is applied and tested the risk impact of durability. Founded the optimum switching frequency of the motor control, and reduced the idle rpm by increasing of aerodynamic performance. The superiority of paper is proved by measurement of the improved product's noise and vibration.
Keywords
Hydrogen Recirculation Blower; Noise and Vibration; Campbell Diagram; Critical Speed; FRF; Balancing; Braking; Switching Frequency; Idle rpm;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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