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Modelling and experimentation of the transfer mechanism in porous media during freezing.
Author(s) : DJABALLAH-MASMOUDI N., AGUIRRE-PUENTE J.
Summary
During the freezing of a water filled porous medium, several phenomena interact and control themselves: the heat transfer, the behaviour of interfaces in the pores, the mass transfer and the mechanical behaviour of the porous matrix. In order to predict and evaluate the consequences of this interaction (cryogenic suction and heave), a model of the "Coupled Stefan Problem" is proposed, allowing the coupling of the thermodynamics laws and the heat and mass transfer mechanisms. An experimental device allows the study of the evolution of a crack artificially created in a rock submitted to a freezing process.
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Format PDF
Pages: 154-161
Available
Public price
20 €
Member price*
Free
* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).
Details
- Original title: Modelling and experimentation of the transfer mechanism in porous media during freezing.
- Record ID : 2001-1144
- Languages: English
- Source: Permafrost and Actions of Natural or Artificial Cooling.
- Publication date: 1998/10/21
- Document available for consultation in the library of the IIR headquarters only.
Links
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Indexing
- Themes: Heat transfer
- Keywords: Calculation; Measurement; Heat transfer; Modelling; Porous medium; Freezing
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