Transcription of Basic Equations of Fluid Flow
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Basic Equations of Fluid Flow
Basic Equations of Fluid Flow By Farhan Ahmad Department of Chemical Engineering, University of Engineering & Technology Lahore Mass Balance Momentum Balance Mechanical Energy Balance 2 3 Conserved Quantities Chemical species Mass Momentum Energy Law of Conservation of Quantities Conservation of Chemical species Conservation of Mass Conservation of Momentum Conservation of Energy Basic Concepts 4 Rate Equation It describes the transformation of conserved quantity. Transformation of conserved quantity is based on specified unit of time (Rate). Components of Rate Equation Input Output Generation Consumption Accumulation Basic Concepts 5 Independent of the level of application Independent of the coordinate system to which they are applied Independent of the substance to which they are applied Basic Concepts - Characteristics 6 Balances Control Volume Control surface Types of Balances Overall Balance Differential Balance Basic Concepts - Application 7 The notation of conserved quantity is x, y & z = three independent space variables t = one independent time variable Basic Concepts - Definition 8 Steady-state Uniform Equilibrium Flux Basic Concepts - Definition 9 and Outlet terms and consumption term term Basic Concepts Mathematical Equation 10 Case I : Steady state transpo
In frictional flow the quantity is not constant along a streamline but always decreases in the direction of flow . 35 Correction of Bernoulli Equation for Fluid Friction The term h f represents all the friction generated per unit mass ... laminar and turbulent flow is …
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