Computational fluid dynamics simulations of aerodynamic performance of low-pressure axial fans with small hub-to-tip diameter ratio

J Wang, NP Kruyt - Journal of Fluids Engineering, 2020 - asmedigitalcollection.asme.org
Rotor-only ducted axial fans with small hub-to-tip diameter ratio are widely used in many
branches of industry, especially for cooling and ventilation purposes. For such fans …

Experimental and numerical analysis of axial flow fans

OPH Augustyn - 2013 - scholar.sun.ac.za
The majority of power stations in South Africa are located in coal rich, but arid regions where
wet-cooled condenser systems are not feasible from an environmental and economic …

Assessment of MULTALL as computational fluid dynamics code for the analysis of tube-axial fans

P Danieli, M Masi, G Delibra… - Journal of …, 2021 - asmedigitalcollection.asme.org
This work deals with the application of the open-source computational fluid dynamics (CFD)
code MULTALL to the analysis of tube-axial fans. The code has been widely validated in the …

Design guidelines to increase the performance of a rotor-only axial fan with constant-swirl blading

M Masi, M Piva, A Lazzaretto - … Expo: Power for …, 2014 - asmedigitalcollection.asme.org
The controlled vortex design is a common criterion to distribute circulation along the blade
span for high total pressure axial fan rotors when diameter and/or rotational speed …

Fan blade design methods: cascade versus isolated airfoil approach—experimental and numerical comparison

S Castegnaro - Turbo Expo: Power for Land, Sea …, 2016 - asmedigitalcollection.asme.org
Both cascade and isolated airfoil methods are considered valid in axial fan blade design, for
high (σ≳ 1) and low (σ≲ 0.7) solidities respectively. For bladings that feature intermediate …

Numerical and experimental investigation into the accuracy of the fan scaling laws applied to large diameter axial flow fans

OPH Augustyn, SJ van der Spuy… - Proceedings of the …, 2016 - journals.sagepub.com
The cooling effectiveness of air-cooled steam condenser units is impacted by the
performance of the large diameter axial flow cooling fans, which ultimately affects the overall …

Effects of NACA 65-blade's trailing edge modifications on the performance of a low-speed tube-axial fan

S Castegnaro - Energy Procedia, 2015 - Elsevier
NACA 65-series airfoilsfeature a cusped trailing edge impractical for mass-production
manufacturing processes. The effects of two different trailing edge modifications on NACA …

Preliminary investigation on the effect of the modification of the sweep angle at the blade tip of forward swept axial fans

M Masi, A Lazzaretto - … Power for Land, Sea, and Air, 2017 - asmedigitalcollection.asme.org
The flow path close to the suction side of fan rotor blades mostly affects the overall drag of
the blading. The blade lift is affected as well because of the separation of the low energy …

A Critical Analysis of the Differences Among Design Methods for Low-Speed Axial Fans

S Castegnaro - Turbo Expo: Power for Land, Sea …, 2017 - asmedigitalcollection.asme.org
Some methodological differences exist among the design methods for axial-flow fans. These
differences generate confusion in the mind of the unexperienced fan designer, who is …

Design for high efficiency of low-pressure axial fans: use of blade sweep and vortex distribution

J Wang - 2021 - research.utwente.nl
Rotor-only low-pressure axial fans with small hub-to-tip diameter ratio (HTR in short) are
widely used in many branches of industry, especially for cooling and ventilation purposes …