Results 251 to 260 of about 142,021 (310)

Primary cerebellar angiosarcoma: a rare case report and literature review. [PDF]

BMC Surg
Wu F, Xu Z, Sun T, Xiao F, Zhang L, Yu S, Zhu Y, Yu J, Zhan R.   +8 more
europepmc   +1 more source

A Tangentially Sensitive Tactile Sensor Reveals the Stick-Slip Mechanism and Enhances Robotic Tactile Sensing. [PDF]

Adv Sci (Weinh)
Wang J, Liu X, Du Y, Chen Y, Guo J, Fan L, Tang M, Qiao X, Zhu Y, Zhang Z, Dong C, Wang L, Fan Y.   +12 more
europepmc   +1 more source

Virtual Reality-Based Vision Therapy for Intermittent Exotropia: A Randomized Clinical Trial.

JAMA Netw Open
Jing Y, Li L, Li Z, Zhou T, Zhu X, Shen S, Guo W, Leng Z, Fan Y, Guo K, Zhang L, Lang L, Xu L, Liu H, Zhu H.   +14 more
europepmc   +1 more source

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Axial flow fan

The Journal of the Acoustical Society of America, 2010
An axial flow fan of high efficiency and low noise level is provided. The fan includes a motor, an impeller having a plurality of blades around a hub fitted to the motor, and a fan casing having an air inlet on one side and an air outlet on the other, wherein a radial position with a maximum setting angle in a blade section, and a radial position with ...
openaire   +1 more source

Optimization design of axial fan blade

Journal of the Chinese Institute of Engineers, 2019
ABSTRACTA series airfoil was obtained through optimization design which aimed to promote lift–drag ratio, and the new airfoil series was used to construct a blade.
Yujing Wu, Diangui Huang
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Axial fan for computer

The Journal of the Acoustical Society of America, 2007
The axial fan for a computer comprises a rotatable fan blade unit and a motor unit. The fan blade unit comprises a fan head and a plurality of fan blades arranged radially thereto. The motor unit is held by supports passing through the airflow. The supports have a distance of at least 7.5 mm from the fan blades measured in axial direction.
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Acoustic analysis of an axial fan

2017 16th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), 2017
Axial fans are often used in cooling electronic enclosures where low noise levels are highly demanded. Therefore, methods for predicting the noise emitted by an application including single or multiple fans are desirable to improve, stimulate and reduce the cost of low-noise design.
Hashım, Hafız Muhammad, Dogruoz, M. B., Arık, Mehmet   +2 more
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Axial Fan at Reversal Flow

Volume 5: Turbo Expo 2004, Parts A and B, 2004
Flow reversal in axial fans is usually performed by the change of revolution direction and by stator vanes turning. Derived relations express the relative position of characteristics curves for reverse and normal flows. The ratio of volume flow rates at these conditions decreases with rotor blade profiles camber (aerodynamic loading) and with flow ...
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Axial fan, centrifugal fan, and electronic equipment employing one of these fans

The Journal of the Acoustical Society of America, 2003
A 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 ...
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Modeling Electronic Cooling Axial Fan Flows

Journal of Electronic Packaging, 2000
To address the requirement for prediction and understanding of airflow in forced convection cooled electronic systems, a detailed experimental investigation of the outlet flow of typical axial cooling fans has been performed. The flow is shown to be complex over much of the fans operational range, with significant radial and tangential velocities and ...
R. Grimes, M. Davies, J. Punch, T. Dalton, R. Cole   +4 more
openaire   +1 more source