Evaluation of CFD model predictions of local dispersion from an area source on a complex industrial site

2011 ◽  
Vol 44 (1/2/3/4) ◽  
pp. 173 ◽  
Author(s):  
Richard Hill ◽  
Alistair Arnott ◽  
Paul Hayden ◽  
Tom Lawton ◽  
Alan Robins ◽  
...  
Keyword(s):  
Industrial Site ◽  
Cfd Model ◽  
Area Source ◽  
Local Dispersion ◽  
Model Predictions

A computational fluid dynamic and experimental study of an ozone contactor

2002 ◽  
Vol 46 (9) ◽  
pp. 87-93 ◽  
Author(s):  
T. Huang ◽  
C.J. Brouckaert ◽  
M. Docrat ◽  
M. Pryor
Keyword(s):  
Experimental Study ◽  
Computational Fluid Dynamic ◽  
Fluid Dynamic ◽  
Gas Injection ◽  
Tracer Tests ◽  
Cfd Model ◽  
Reactor Inlet ◽  
Model Predictions ◽  
Set Up ◽  
Ozone Contactor

A computational fluid dynamic (CFD) model of an ozone contacting chamber in the Umgeni Water Wiggins Waterworks in Durban, South Africa, has been set up and verified by experimental tracer tests, as part of an investigation to optimise the control and disinfection efficiency of the contactor. The effect of gas injection was modelled by increasing the turbulent intensity at the reactor inlet. Experimental tracer responses which were used as partial verification of the model correspond very closely to model predictions.

scholarly journals On the subsonic and low transonic aerodynamic performance of the land speed record car, Bloodhound LSR

2021 ◽  
pp. 095441002110461
Author(s):  
Ben Evans ◽  
Jack Townsend ◽  
Oubay Hassan ◽  
Kenneth Morgan ◽  
Ron Ayers ◽  
...  
Keyword(s):  
High Speed ◽  
Aerodynamic Performance ◽  
Navier Stokes ◽  
Cfd Model ◽  
Cfd Modelling ◽  
Vehicle Performance ◽  
Pressure Distributions ◽  
Model Predictions ◽  
High Degree ◽  
Measured Pressure

The land speed record vehicle, Bloodhound, undertook testing at subsonic and low transonic speeds (up to Mach 0.8) at Hakskeen Pan, South Africa, during October and November of 2019. A decade of CFD-led aerodynamic design had been undertaken to produce a vehicle with the aim of minimised Mach number aerodynamic dependencies and minimised overall drag. This paper sets out and explains the measured pressure distributions with a focus on the highest speed run of Bloodhound up to a peak speed of 628 mile/h. It compares the measured aerodynamic performance with the various CFD model predictions used throughout the design process showing that, whilst localised discrepancies between CFD model and real behaviour exist, overall the Reynolds-averaged Navier–Stokes (RANS)-based CFD tools used to design the car did result in sufficiently accurate aerodynamic data to predict the overall vehicle performance to a high degree of accuracy. The work outlined in this paper, and the conclusions and recommendations drawn, form the basis for a future record attempt and the understanding of what will be required in principle to extend the World Land Speed Record to 1000 mile/h. It also provides guidance on how to effectively make use of RANS-based CFD modelling predictions for other complex, ground-interacting high-speed applications.

PRELIMINARY ASSESSMENT OF THE CURRENT POLLUTION STATUS OF THE RIVER ATUWARA, NIGERIA, WITHIN AN INDUSTRIAL SITE: A BIVARIATE APPROACH

2019 ◽  
Author(s):  
OGBIYE A. SAMUEL ◽  
IMOKHAI T. TENEBE ◽  
PRAISEGOD C. EMENIKE ◽  
DIWA I. DANIEL ◽  
DAVID O. OMOLE ◽  
...  
Keyword(s):  
Industrial Site ◽  
Preliminary Assessment ◽  
Pollution Status ◽  
Bivariate Approach
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