scholarly journals Exchanging data between computational fluid dynamic and thermodynamic models for improving numerical analysis of Stirling engines

2021 ◽  
Author(s):  
Chin‐Hsiang Cheng ◽  
Duc‐Thuan Phung
Keyword(s):  
Numerical Analysis ◽  
Computational Fluid Dynamic ◽  
Fluid Dynamic ◽  
Thermodynamic Models ◽  
Stirling Engines

Numerical Analysis of Transducer Installation Effect on Ultrasonic Gas Flow Meter

2014 ◽  
Vol 687-691 ◽  
pp. 1019-1025 ◽  
Author(s):  
Long Hui Qin ◽  
Zhuo Yuan Tang ◽  
Liang Hu ◽  
Xin Fu ◽  
Peng Ye
Keyword(s):  
Numerical Analysis ◽  
Flow Field ◽  
Computational Fluid Dynamic ◽  
Gas Flow ◽  
Fluid Dynamic ◽  
Weighting Factor ◽  
Velocity Range ◽  
Flow Meters ◽  
Actual Flow ◽  
Time Determination

As for ultrasonic gas flow meters, special attention should be paid to transducer installation effect as the flow disturbed by transducers will greatly affect the transit time determination and accordingly reduce metering accuracy. This paper presents a numerical method to analyze the disturbed effects based on Computational Fluid Dynamic (CFD), which can give valuable guides for transducer installations. Different pipe configurations covering a wide velocity range are modelled to simulate the actual flow field in different chords for three transducer installations including protrusion, recess and half protrusion. Then, detailed results are presented and the mechanism is analyzed to give suggestions about better transducer installations and a modified weighting factor method to improve the incredible error is also given in this paper.

NUMERICAL ANALYSIS OF SPRAY-DIC MODELING FOR FRUIT CONCENTRATION DRYING PROCESS INTO POWDER BASED ON COMPUTATIONAL FLUID DYNAMIC

2016 ◽  
Vol 78 (4-4) ◽  
Author(s):  
Norma Alias ◽  
Nadia Nofri Yeni Suhari ◽  
Che Rahim Che Teh
Keyword(s):  
Mathematical Modeling ◽  
Numerical Analysis ◽  
Computational Fluid Dynamic ◽  
Fluid Dynamic ◽  
Mass Conservation ◽  
Maximum Error ◽  
Jacobi Method ◽  
Sequential Algorithm ◽  
Nozzle Flow ◽  
Drying Process

The drying process is most popular preservation methods. It is important in producing the powder and natural dye by concentration fruit drying. Spray-DIC is one of the concentration techniques for drying process using the nozzle flow application in computational fluid dynamic. The mathematical modeling for drying process in this paper includes mass conservation and energy conservation of fruit concentration based on partial differential equation. The discretization of mathematical model will use the finite difference method with the initial and boundary conditions of nozzle flow application. The mathematical modeling computes numerical in sequential algorithm. Jacobi and Gauss-Seidel scheme will use to solve the linear system of mathematical modeling. The execution time, no of iteration, accuracy, root mean square error and maximum error are measured for investigating the numerical analysis. The results show the Gauss Seidel method is the alternative method compared to Jacobi method for solving the Spray-DIC modeling.

Validierungsmethodik eines Computational Fluid Dynamic Modells des aortalen Blutflusses

2008 ◽  
Vol 180 (S 1) ◽  
Author(s):  
M Kostrzewa ◽  
D Hazer ◽  
P Kurz ◽  
B Radeleff ◽  
W Hosch ◽  
...  
Keyword(s):  
Computational Fluid Dynamic ◽  
Fluid Dynamic

195. Computational Fluid Dynamic Modeling of Carbon Monoxide Emissions and Exposures on a Ski Boat

2004 ◽  
Author(s):  
G. Earnest ◽  
K. Dunn ◽  
R. Mickelsen ◽  
J. Bennett
Keyword(s):  
Carbon Monoxide ◽  
Dynamic Modeling ◽  
Computational Fluid Dynamic ◽  
Fluid Dynamic ◽  
Computational Fluid Dynamic Modeling

COMPUTATIONAL FLUID DYNAMIC INVESTIGATIONS ON EFFECTS OF CIRCULAR ROD INSERTS IN FAST REACTOR FUEL BUNDLE

2018 ◽  
Author(s):  
G Padmakumar ◽  
K. Velusamy ◽  
Bhamidi V. S. S. S. Prasad ◽  
P Lijukrishnan ◽  
P. Selvaraj
Keyword(s):  
Fast Reactor ◽  
Computational Fluid Dynamic ◽  
Fluid Dynamic ◽  
Reactor Fuel ◽  
Fuel Bundle ◽  
Fast Reactor Fuel

Computational Fluid Dynamic Control

1989 ◽  
Author(s):  
Tom T. Hartley ◽  
Alex DeAbreu-Garcia
Keyword(s):  
Computational Fluid Dynamic ◽  
Fluid Dynamic ◽  
Dynamic Control
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