Results 251 to 260 of about 93,869 (311)

Utility of 18F-FDG PET/CT for diagnosing and staging solitary malignant tumors of the spleen. [PDF]

Front Med (Lausanne)
Shao M, Xu R, Fan S, Qi W.
europepmc   +1 more source

An experimental evaluation of vibration patterns arising from vortex flow in mixed flow pumps a case study in Upper Egypt. [PDF]

Sci Rep
El-Gazzar DMS, Abo-Elnil AHI, Elsayed MEA.   +2 more
europepmc   +1 more source

Retinal and Choriocapillaris Thickness and Age in Macaques in Development and Aging. [PDF]

Invest Ophthalmol Vis Sci
Zhou L, Cao Y, Ibukun FA, Yi W, Ri K, Lu H, Xu M, Fan S, Liang S, Shi L, Yang Z, Kong X, Eberhart C, Liu X, Duh EJ.   +14 more
europepmc   +1 more source

Effects of repeated low-level red light therapy on myopia progression in children: a systematic review and meta-analysis. [PDF]

Front Med (Lausanne)
Fan H, Yu J, Jiang A, Wei Q, Zhang X, Xie A, Duan J.   +6 more
europepmc   +1 more source

Effects of modified vertebral bone quality score and paravertebral muscle mass on multiple osteoporotic vertebral compression fractures: a retrospective multicenter cohort study. [PDF]

J Orthop Surg Res
Fan Y, Chen S, Li J, Chen Z, Jiang L, Wang C.   +5 more
europepmc   +1 more source

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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

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

Noise Radiation from Axial Flow Fans

SAE Technical Paper Series, 1997
<div class="htmlview paragraph">A semi-empirical formula [<span class="xref">1</span>] for predicting noise spectra of an engine cooling fan assembly is developed. In deriving this formulation it is assumed that sound radiation from an axial flow fan is primarily due to fluctuating forces exerted on the fan blade surface.
Shigong Su, Sean F. Wu, Hemant Shah
openaire   +1 more source

Reynolds Number Scaling of Axial Flow Fans [PDF]

, 2022
There exists uncertainty about the accuracy with which the fan scaling laws can predict the performance characteristics of a full scale prototype fan from model testing. This uncertainty stems from the large difference in the value for Reynolds number that typically exists between the prototype and model fan.
Steenkamp, Gerhardus Marthinus, Meyer, Chris, Spuy, Johan van der   +2 more
openaire   +1 more source

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 ...
openaire   +1 more source