scholarly journals Boundary control of coupled reaction-advection-diffusion equations having the same diffusivity parameter**The research leading to these results has received funding from the research project "Modeling, control and experimentation of innovative thermal storage systems", funded by Sardinia regional government under grant agreement n. CRP-60193

2016 ◽  
Vol 49 (8) ◽  
pp. 86-91 ◽  
Author(s):  
Alessandro Pisano ◽  
Antonello Baccoli ◽  
Yury Orlov ◽  
Elio Usai
Keyword(s):  
Boundary Control ◽  
Storage Systems ◽  
Thermal Storage ◽  
Diffusion Equations ◽  
Regional Government ◽  
Research Project ◽  
Advection Diffusion ◽  
Coupled Reaction ◽  
Diffusivity Parameter

Lie group solutions of advection-diffusion equations

2021 ◽  
Vol 33 (4) ◽  
pp. 046604
Author(s):  
Yubiao Sun ◽  
Amitesh Jayaraman ◽  
Gregory S. Chirikjian
Keyword(s):  
Lie Group ◽  
Diffusion Equations ◽  
Advection Diffusion

Analytical solutions of the space–time fractional Telegraph and advection–diffusion equations

2018 ◽  
Vol 491 ◽  
pp. 810-819 ◽  
Author(s):  
Ashraf M. Tawfik ◽  
Horst Fichtner ◽  
Reinhard Schlickeiser ◽  
A. Elhanbaly
Keyword(s):  
Analytical Solutions ◽  
Space Time ◽  
Diffusion Equations ◽  
Advection Diffusion

POSITIVITY OF k-EPSILON TURBULENCE MODELS FOR INCOMPRESSIBLE FLOW

2002 ◽  
Vol 12 (03) ◽  
pp. 393-406 ◽  
Author(s):  
ZI-NIU WU ◽  
SONG FU
Keyword(s):  
Reynolds Number ◽  
Point Source ◽  
Incompressible Flow ◽  
Iterative Procedure ◽  
High Reynolds Number ◽  
Operator Splitting ◽  
Turbulence Models ◽  
Diffusion Equations ◽  
Advection Diffusion ◽  
High Reynolds

The k-epsilon turbulence model for incompressible flow involves two advection–diffusion equations plus point-source terms. We propose a new method for positivity analysis. This method uses an iterative procedure combined with an operator splitting. With this method we recover the well-known positivity result for the standard high Reynolds number model. Most importantly, we are able to prove the positivity result for general low Reynolds number k-epsilon models.

Thermal analysis and exergy evaluation of packed bed thermal storage systems

2013 ◽  
Vol 52 (2) ◽  
pp. 255-263 ◽  
Author(s):  
Hitesh Bindra ◽  
Pablo Bueno ◽  
Jeffrey F. Morris ◽  
Reuel Shinnar
Keyword(s):  
Thermal Analysis ◽  
Storage Systems ◽  
Thermal Storage ◽  
Packed Bed
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