Results 251 to 260 of about 50,603 (296)
Some of the next articles are maybe not open access.
Static Balancing of Centrifugal Fan
IOSR Journal of Mechanical and Civil EngineeringCentrifugal fans are critical in cement manufacturing for airflow regulation and dust management but often suffer from vibration-related faults due to harsh operational conditions. Excessive vibration, commonly caused by rotor unbalance and misalignment, can lead to premature component failure.
Ekpenyong Ekpenyong Ekpo +3 more
openaire +1 more source
Investigation of a miniature centrifugal fan
Applied Thermal Engineering, 2007Abstract A centrifugal fan was designed with a matching centrifugal volute flow channel in order to investigate a numerical simulation with prototype manufacturing, and to compare with experimental results. The fan configuration was developed according to a fan-design theorem.
B.J. Tsai, C.L. Wu
openaire +1 more source
Parameterized Design of Centrifugal Fan's Impeller
2010 International Conference on Measuring Technology and Mechatronics Automation, 2010On the base of the study on the selecting method and regularity of a large number of existing high performance centrifugal fans’ main parameters, the corresponding relations between specific speed and specific diameter, as well as between specific speed and exit width of blade, were found.
Yan Gui, Dilin Pan, Lixiang Zhang
openaire +1 more source
Axial fan, centrifugal fan, and electronic equipment employing one of these fans
The Journal of the Acoustical Society of America, 2003A low-noise axial fan is provided with whirring sound minimized. The axial fan includes a plurality of blades arranged around a rotation axis at predetermined layout pitches. The blades are arranged at varied layout pitches. For instance, the layout pitch between the two adjacent blades may be different from the layout pitch between the remaining ...
openaire +1 more source
Time delay based noise control in centrifugal fans
Noise Notes, 2008The most common noise control systems are already based on passive and active techniques. Passive noise control is a typical technique for high frequency noise and active noise control also for low frequency noise. In this paper, a simple and cheap method is proposed to determine the difference between sound waves of two centrifugal fans based on time
Rostam Golmohammadi +3 more
openaire +1 more source
Centrifugal fan with noise suppressing arrangement
The Journal of the Acoustical Society of America, 1993A centrifugal fan with a noise suppressing arrangement includes a fan, a motor for rotating the fan and a scroll casing for accommodating the fan, the scroll casing is formed of a first scroll casing member covering the fan and a second scroll casing member forming the bottom part of the scroll casing, the second scroll casing member being provided ...
openaire +1 more source
Centrifugal Fan Performance With Inlet Clearance
Journal of Engineering for Gas Turbines and Power, 1984This paper describes a systematic study of the influence of the inlet clearance gap on the performance of a centrifugal fan. Overall fan performance in terms of volume flow rate, pressure rise, stall margin, and efficiency were measured over a range of values of the radial clearance between the impeller and the stationary inlet cone.
openaire +1 more source
Aerodynamic Sound from Centrifugal-Fan Rotors
Journal of Occupational and Environmental Medicine, 1965The sound powers of small uncased centrifugal-fan rotors were measured at low-tip Mach numbers. Correlation of the data by use of a similarity relationship derived from theory has shown that the broad-band rotor sound is a result of randomly oriented dipole sources caused by fluctuations in fluid momentum. Deviations of the dependence of sound power on
openaire +1 more source
Aerodynamic noise prediction of a high-speed centrifugal fan considering impeller-eccentric effect
Engineering Applications of Computational Fluid Mechanics, 2022Ke-Xin Ren, Zhi-Jun Shuai, Tao Yu
exaly