Multi-Phase Flow Analysis in Nuclear Reactors Using Ansys Fluent
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 1
Abstract
Multiphase flow is the instantaneous flow of mixture of different phases. There are three types of phases- gas, liquid, solid. Water has 3 different phase; water-liquid , water-vapour , water-ice. Sometimes multiphase can also be referred as multi component flow where a substance do not have a distinguished phase but it is a uniform thorough out its existence. Two phase flow is completely different in every aspect to single phase flow say from its governing equations to flow characteristics. It gets complicated and complex as we move from 2 phases to 3phase flow and so on. The multiphase flow depends mainly on the flow rate, cross section, fluid characteristics and boundary conditions. The study of multiphase flow is very important because the chemical and flow properties vary strongly over the flow regime which accounts for the design and safety of the subsystems in the nuclear plant.. Volumetric model of Ansys fluent categorises the elements of multiphase to be primary and secondary. Primary phase is generally gas or liquid and Secondary phase is solid or liquid. The present study involves understanding the multiphase flow dynamics and performs simulations of multi phase flow in horizontal pipe with friction pressure drop taken into account using Ansys Fluent solver.
Authors and Affiliations
Sree Harsha Bandaru, Arjun Singh
Keywords
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