Dr. Ir. Harinaldi, M.EngMechanical Engineering Department

Faculty of Engineering University of Indonesia

Basic of fluid system

Mesin Fluida

Definisi Mesin FluidaDefinisi Mesin Fluida

Fluida Mengalir BerkesinambunganEnergi Fluida Energi Mekanik

Mesin Tenaga

Mesin Kerja

pompa, blower, kompresor, fan

turbin air, turbin gas, kincir

- gear- vane - lobe- screw

- piston- plunger- diafragma

Mesin Fluida

Klasifikasi Mesin FluidaKlasifikasi Mesin Fluida

- perubahan volume chamber- efek statik

Positive Displacement Turbomachinery

Reciprocating

Rotary

turbin: pelton,Jonval, Banki, Girard

Aliran radial,centrifugal

- sekumpulan sudu, bucket, laluan aliran- efek dinamik

Mesin Fluida

Klasifikasi Mesin FluidaKlasifikasi Mesin Fluida

Positive Displacement Turbomachinery

Mesin Impuls

Mesin Reaksi

Aliran aksial

Aliran campuran

Klasifikasi Mesin FluidaKlasifikasi Mesin FluidaKecepatan Spesifik

Analisis DimensionalAnalisis DimensionalIncompressible Flow Fluid Machinery

Power :

Analisis DimensionalAnalisis DimensionalIncompressible Flow Fluid Machinery

Analisis DimensionalAnalisis DimensionalIncompressible Flow Fluid Machinery

Peformance CharacteristicsPeformance Characteristics

Prototype and ModelPrototype and ModelSimilarity Laws

Example : Efficiency of Turbine

Therefore:

Characteristic CurvesCharacteristic CurvesPumps

Specific SpeedSpecific SpeedPumps

Specific SpeedSpecific SpeedTurbine