THERMAL SCIENCE
International Scientific Journal
NUMERICAL SIMULATION STUDY ON THE ACTION LAW OF LOW TEMPERATURE DRILLING FLUID INTRUSION INTO ROCK FORMATION IN POLAR DRILLING
ABSTRACT
In this paper, based on the experimental parameters of polar permafrost formation, the mathematical module, solid mechanics module, and Darcy’s law module of COMSOL Multiphysics software are used to realize the coupled solution of PDE of temperature field, moisture field, and stress field considering the ice-water phase transition and moisture convection, and the relationship between the permafrost moisture convection and temperature change is analyzed by using the heat-flow-solid-moisture mutual coupling, which reveals that the law of action of low temperature intrusion into rock formation by polar drilling.
KEYWORDS
PAPER SUBMITTED: 2023-07-18
PAPER REVISED: 2023-08-21
PAPER ACCEPTED: 2023-11-18
PUBLISHED ONLINE: 2024-02-18
THERMAL SCIENCE YEAR
2024, VOLUME
28, ISSUE
Issue 2, PAGES [1007 - 1011]
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