{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/123723"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/123723","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Physics-based models of hysteresis in multiphase flow in porous media","abstract":"We propose a novel probabilistic framework based on pore-scale probabilistic events to derive a theory of hysteresis in multiphase flow in porous media. In particular, we define the pore-space accessivity to contrast the serial and parallel arrangement of different-radius pore slices, and the radius-resolved saturations to detail the pore-scale distribution of immiscible fluids. We show that accessivity can be measured by mercury cyclic porosimetry. 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Our microscopic theory of hysteresis produces simple formulae that are suitable for use as hysteresis-enabling constitutive laws for capillary pressure and relative permeabilities in conventional continuum simulations of multiphase flow.","abstract_has_math":false,"creators":["Gu, Zongyu,Ph.D.Massachusetts Institute of Technology."],"institution":"Massachusetts Institute of Technology","degree_name":"Doctoral","degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Department of Chemical Engineering","school":null,"contributors":[],"advisors":["Martin Z. Bazant."],"committee_chairs":[],"committee_members":[],"year":2019,"date_issued":"2019","date_published":"2019","updated_at":"2026-07-22T22:21:29Z","subjects":["Chemical Engineering."],"languages":["eng"],"rights":["MIT theses are protected by copyright. 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