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Dr Ziad Saghir
PhD, University of Toronto, Canada,
Professor
Department of Mechanical
and Industrial Engineering, Ryerson University,
Toronto, Canada.

 
Theoretical Estimation and Experimental Measurements
of Soret Coefficients for Multi-Component Hydrocarbon Mixtures (1/2)

A spatial concentration or chemical potential difference within a solution or mixture is the most common driving force for mass diffusion. In a homogeneous solution, temperature or pressure gradients may also cause mass diffusion. The former process is called thermal diffusion (thermodiffusion) or Soret effect discovered by Ludwig and established by Soret. Thermal diffusion is a coupled heat and mass transfer phenomenon. Although the thermal diffusion coefficient may be several orders of magnitude smaller than the molecular mass diffusion coefficient, it plays an important role in processes, such as the compositional variation in hydrocarbon reservoirs, isotropic separation of liquids, and emerging applications, such as particle manipulation by temperature gradient also known as thermophoresis for microfluidic applications, and optical screening methods for biomolecules and colloids. Due to smallness of the thermal diffusion coefficient and the possibility of coupling thermal diffusion with other ways of mass transfer such as convection, accurate and reliable measurements are difficult to perform under practical conditions. Therefore, development of theoretical models for prediction of thermal diffusion parameters is of great importance for design and control of pertinent processes and systems. Due to the complex nature of thermal diffusion phenomenon, several approaches have been employed to model this process, among which the kinetic theory and non-equilibrium thermodynamics and their combinations are the most accepted.

 

1 | 2
20-21-22 November 09
SOUSSE - TUNISIA
Scientific Committee
Organizing Committee
ICCM3E Coordinator
 

J. ORFI, King Saud University, Riyadh - KSA
(Coordinator)

H. Al-ANSARI, King Saud University, Riyadh - KSA
K. ALHUMAIZI, King Saud University, Riyadh - KSA
A. AZZI, UST Oran - Algeria
A. BELGHITH, FS Tunis - Tunisia
B. BENHAMOU, FS Semlalia, Marrakech - Morocco
R. BENNACER, Université de Cergy Pontoise, France
S. BEN NASRALLAH, CRTEn - Tunisia
N. BEN SALAH, ESS Tunis - Tunisia
G. P. CELATA, ENEA - Italy
M. CHAMCHI, University of Massachusetts-Lowell - USA
G. DE VAHL DAVIS, University of New South Wales-  Australia
N. DJILALI, University of Victoria - Canada
E. DRIOLI, Institute of Membrane Technology-CNR - Italy
M. ELGANAOUI, Université de Limoge - France
N. GALANIS, Université de Sherbrooke - Canada
G. HABASHI, Mc Gill University - Canada
M. HASNAOUI, Semlalia, Marrakech - Morocco
A. JEMNI, ENI Monastir - Tunisia
M. KAVIANY, University of Michigan - USA
A. KOURTA, Université d'Orléans - France
H. LAATAR, FS Bizerte - Tunisia
T. LILI , FS Tunis - Tunisia
S. LORENTE, INSA Toulouse - France
A. MOHAMAD, University of Calgary - Canada
A. MOJTABI, IMF Toulouse - France
A. OMRI, FS Gafsa - Tunisia
P. OOSTHUIZEN, Queen’s University, Kingston - Canada
D. ROUSSE, Université du Québec - Canada
H. SADAT, Université de Poitiers - France
A. SAHIN, King Fahed University of Petroleum and Mineral - KSA
M. SASSI, Petroleum Institute - UAE
I. TEKE, Yildiz Technical University - Turkey
A. WIRTH, CNRS - France
 

S. EL ALIMI, ENI Monastir - Tunisia
(Coordinator)

J. ORFI, King Saud University, Riyadh - KSA
H. AGUIR, LESTE - Tunisia
H. MARMOUCHE, ISIMa - Tunisia
Y. BEN SALAH, Hokkaid University - Japan
S. CHEMKHI, CRTEn - Tunisia
F. REHIMI, ISTLS - Tunisia
R. GHEITH, LESTE - Tunisia

 
  S. EL ALIMI, PhD., ENIM - Tunisia
Email : contact@ICCM3E.net
Phone : + 216 98 45 20 98
Fax : +216 73 90 79 75
Adress : Souheil El ALIMI
Ecole Nationale d'Ingénieurs de Monastir
Avenue Ibn El Jazzar, 5109, Monastir
TUNISIA