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BASIC EQUATIONS IN INTEGRAL FORM FOR CONTROL VOLUME. Sudu Turbin. Nozzle. Water jet. Volume Atur Sudu Turbin. LIMA PERSAMAAN DASAR YANG DIGUNAKAN UNTUK MENGANALISA PROBLEM MEKANIKA FLUIDA. PERSAMAAN KEKEKALAN MASSA PERSAMAAN MOMENTUM LINIER (HUKUM KEDUA NEWTON)
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Sudu Turbin Nozzle Water jet
LIMA PERSAMAAN DASAR YANG DIGUNAKAN UNTUK MENGANALISA PROBLEM MEKANIKA FLUIDA • PERSAMAAN KEKEKALAN MASSA • PERSAMAAN MOMENTUM LINIER (HUKUM KEDUA NEWTON) • PERSAMAAN MOMENTUM ANGULAR • PERSAMAAN KEKEKALAN ENERGI (HUKUM I THERMODINAMIKA) • PERSAMAAN ENTHROPY ( HUKUM II THERMODINAMIKA) EXTENSIVE PROPERTIES INTENSIVE PROPERTIES PERSAMAAN UMUM TRANSPORTASI REYNOLDS
Relation of System Derivatives to the Control Volume Formulation Extensive Properties Intensive Properties
Conservation of Mass • Incompressible Fluids • Steady, Compressible Flow
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MOMENTUM EQUATION FOR CONTROL VOLUME : MOMENTUM EQUATION FOR INERTIAL CONTROL VOLUME MOMENTUM EQUATION FOR CONTROL VOLUME MOVING WITH CONSTANT VELOCITY
MOMENTUM LINEAR General Equation Reynolds Transportation dan SURFACE FORCE BODY FORCE
MOMENTUM LINEAR X - DIRECTION Y - DIRECTION Z - DIRECTION
CONTOH KASUS : Your boss claims that the scale will read the weight of the volume of water in the tank plus the tank weight, i.e., thatwe can treat this as a simple statics problem. You disagree,claiming that a fluid flow analysis is required. Who is right,and what does the scale indicate?
Momentum equation – x-component : Conservation of mass : Momentum equation – x-component :
Control Volume y x
A jet of water issuing from stationary nozzle at 15 m/s (Aj = 0.05 m2) strikes a turning vane mounted on a cart as shown. The Vane turns the jet through angle q = 500. Determine the value of M required to hold the cart stationary
MOMENTUM LINEAR - Control Volume Moving with Constant Velocity x - DIRECTION y - DIRECTION z - DIRECTION
Top-View Volume Atur Sudu Turbin
HUKUM I THERMODINAMIKA Potential Energy Internal Energy Kinetic Energy
ROTATING EQUIPMENT Air Compressor Gas Turbine Gas Compresor Diesel Engine Pompa Air Pompa Air Diesel Engine
Gas Compresor Gas Turbine Air Compressor
Example 4.16 COMPRESSOR: FIRST LAW ANALYSIS Air at 14.7 psia, 70F, enters a compressor with negligible velocity and is discharged at 50 psia, 100F through a pipewith 1 ft2area. The flow rate is 20 lbm/s. The power input to the compressor is 600 hp. Determine the rate of heat transfer.