Journal ArticleDOI
Numerical simulation of the flow field near an axial flow fan operating under distorted inflow conditions
G.D. Thiart,T.W. von Backström +1 more
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TLDR
In this paper, the results of numerical solutions of the Navier-Stokes equations, augmented by the k-ϵ model of turbulence, for an axial flow fan operating under distorted inflow conditions are presented.About:
This article is published in Journal of Wind Engineering and Industrial Aerodynamics.The article was published on 1993-05-01. It has received 48 citations till now. The article focuses on the topics: Prandtl–Meyer expansion fan & Inflow.read more
Citations
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Journal ArticleDOI
Numerical investigation of fan performance in a forced draft air-cooled steam condenser
TL;DR: In this article, the effect of inlet flow distortions on the flow rate through the fans in an ACSC is numerically investigated by modelling the flow field in a section of such a system using the computational fluid dynamics code, FLUENT.
Journal ArticleDOI
The influence of wind on the performance of forced draught air-cooled heat exchangers
K. Duvenhage,D.G. Kröger +1 more
TL;DR: In this paper, the influence of wind on fan performance and recirculation in a forced draught air-cooled heat exchanger (ACHE) bank is investigated numerically.
Journal ArticleDOI
A novel layout of air-cooled condensers to improve thermo-flow performances
TL;DR: In this paper, a vertical arrangement of air-cooled condensers is proposed on the basis of a 2 × 600 MW direct dry cooling power plant, which can weaken the adverse wind effects and utilize the wind power to improve the cooling capacity of aircooled Condensers.
Journal ArticleDOI
Numerical simulation of the flow field in the vicinity of an axial flow fan
Chris J. Meyer,Detlev G. Kröger +1 more
TL;DR: In this article, the effect of an axial flow fan on the velocity field in the vicinity of the fan blades is modeled as an actuator disc and the calculated disc forces are expressed as sources/sinks of momentum in the Navier-Stokes equations solved by a commercially available computational fluid dynamic (CFD) code, Flo + + +, which is used to determine the fan performance characteristics.
Journal ArticleDOI
Flow distortions at the fan inlet of forced-draught air-cooled heat exchangers
TL;DR: In this article, the effect of inlet flow distortions on fan performance in forced-draught air-cooled heat exchangers (ACHEs) is investigated numerically and experimentally.
References
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Some Aspects of Non-Stationary Airfoil Theory and Its Practical Application
TL;DR: In this paper, the lift and moment of a rigid airfoil passing through a vertical-gust pattern having a sinusoidal distribution of intensity were derived for two-dimensional thin airfoils in non-uniform motion.
Journal ArticleDOI
Smoothing, filtering, and boundary effects
TL;DR: A general procedure is outlined for the construction of an ‘ideal’ low-pass filter, a filter that removes the shortest resolvable wave component but restores all other wave components as close to their original amplitudes without amplifying or changing the phase of any wave component.
Related Papers (5)
Numerical investigation of fan performance in a forced draft air-cooled steam condenser
Effect of inlet flow distortions on fan performance in forced draught air-cooled heat exchangers
C.A. Salta,D.G. Kröger +1 more