Pompa.pptx

Mesin Fluida

Definisi

Rotating equipment atau turbo machinery adalah peralatan yang mengalirkan fluida secara kontinu melalui satu atau lebih barisan rotating blade.

Energy, sebagai kerja, diambil dari atau diberikan kepada fluida berdasar aksi dinamik barisan rotating blade.

Aksi dinamik pada blade menghasilkan atau dihasilkan oleh torsi poros.

Fluida

Klasifikasi

Inkompresibelkompresibel

Energi

Energi Kinetik (V2/2)Energi Potensial (gz)Energi Dalam (u)Energi Kerja (p/)

KlASIFikasi

Prinsip Kerja Mesin Tenaga

Perubahan Momentum

Momen Di Poros

Daya Di Poros

Prinsip Kerja Mesin kerja

Perubahan Momentum

Momen Di Poros

Daya Di Poros

Klasifikasi

Aliran Fluida

Klasifikasi PompaPompa

Kinetik/Dinamik

Perpindahan

Pompa spesial

Sentrifugal

Konstruksi

Aliran Fluida

Tingkat kompresi

Sisi Masuk

Radial

Aksial

CampuranJenis Sudu

Satu TingkatBanyak TingkatSingleDouble

TerbukaSemi terbukaTertutup

JetVenturi

PositifRotari

Klasifikasi pompa

Komponen Pompa

Klasifikasi Kompresor

Komponen kompresor

Klasifikasi turbin

Jenis SuduJenis Fluida

Cairan

Uap

Singgle casing

Tandem casing

Gas

Gas Turbine

Steam Turbine

Klasifikasi turbin Air

Turgo Turbine

Cross-flow Turbine

Bulb Turbine

Tubular Turbine

Kaplan Turbine

Propeller Blade Turbine

Francis Turbine

POMPA

Pump component

Gearhead for engine drive

Holloshaft electric motor

(Discharge Heads)

Putaran Spesifik

Pump HEad

Hsis = HS+ hL

Turbomachinery AnalysisThe Angular Momentum Principle

Apply to Control Volume:

Triangle velocity

Turbomachinery Analysis

Euler Turbomachine Equation

Mechanical Power:

Theoretical Head:

Turbomachinery Analysis

Velocity Diagrams

Turbomachinery AnalysisExample: Idealized Centrifugal Pump

• Negligible torque due to surface forces (viscous and pressure).

• Inlet and exit flow tangent to blades.• Uniform flow at inlet and exit.• Zero inlet tangential velocity

Turbomachinery AnalysisExample: Idealized Centrifugal Pump

(Continued)

Head Equation:

Shutoff Head:

Turbomachinery AnalysisExample: Idealized Centrifugal Pump

(Continued)

Turbomachinery Analysis

Machines for Doing Work on a Fluid

Hydraulic Power:

Pump Efficiency:

Turbomachinery AnalysisMachines for Extracting Work (Power)

from a Fluid

Hydraulic Power:

Turbine Efficiency:

Performance Characteristics

Machines for Doing Work on a Fluid

Performance CharacteristicsMachines for Extracting Work (Power)

from a Fluid

Performance Characteristics

Dimensional Analysis and Specific Speed

Flow Coefficient:

Head Coefficient:

Power Coefficient:

Performance Characteristics

Dimensional Analysis and Specific Speed

Torque Coefficient:

Performance Characteristics

Dimensional Analysis and Specific Speed

Specific Speed:

Specific Speed(Customary Units):

Performance Characteristics

Dimensional Analysis and Specific Speed

Performance Characteristics

Similarity Rules

For Dynamic Similarity:

… and …

… so …

Applications to Fluid Systems

Machines for Doing Work on a Fluid

Applications to Fluid Systems

Machines for Doing Work on a Fluid• Pump Wear

Applications to Fluid Systems

Machines for Doing Work on a Fluid• Pumps in Series

Applications to Fluid Systems

Machines for Doing Work on a Fluid• Pumps in Parallel

Applications to Fluid Systems

Machines for Doing Work on a Fluid• Fans, Blowers, and Compressors

Applications to Fluid Systems

Machines for Doing Work on a Fluid• Fans, Blowers, and Compressors

Applications to Fluid SystemsMachines for Doing Work on a Fluid

• Fans, Blowers, and Compressors

Applications to Fluid SystemsMachines for Doing Work on a Fluid

• Positive-Displacement Pumps

Applications to Fluid SystemsMachines for Doing Work on a Fluid

• Propellers

Speed of Advance Coefficient:

Thrust, Torque, Power Coefficients, and Propeller Efficiency

Applications to Fluid SystemsMachines for Extracting Work (Power)

from a Fluid• Hydraulic Turbines• Wind-Power Machines

performance

idealized

fluid systems

specific speed

performance

fluid pumps

fluid fans

turbomachinery

Documents

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