Lecture 8-fluid-mech

32
LECTURE 8: TURBO-MACHINERY FUELS AND ENERGY ENGINEERING MUNGOFA E(Mr)

Transcript of Lecture 8-fluid-mech

LECTURE 8: TURBO-MACHINERY

FUELS AND ENERGY ENGINEERING

MUNGOFA E(Mr)

POSITIVE DISPLACEMENT PUMPS

POSITIVE DISPLACEMENT PUMP`

CENTRIFUGAL PUMPS

CENTRIFUGAL PUMPS

ADVANTAGES OF RDP

DISADVANTAGES

CENTRIFUGAL PUMP SELECTION

SOME COMPARISON

FACTORS WHICH INFLUENCE PUMP SELECTION

WHY PUMP IS NEEDED?

WHY PUMP IS NEEDED?

WHY PUMP IS NEEDED?

APPLICATION OF BERNOULLI

APPLICATION OF BERNOULLI

NPSH

HYDRAULIC AND ACTUAL POWER

CHARACTERISTIC CURVE

CHARACTERISTIC CURVE, EFFECT OF ROTATION RATE

CHARACTERISTIC CURVE, EFFECT OF IMP DIAMETER

SYSTEM CURVE

SYSTEM CURVE

SUCTION HEAD AND SYSTEM CURVE

INTERACTION OF PUMP AND SYSTEM CURVES

FLOW RATE CONTROL FOR PUMPING

FLOW RATE CONTROL FOR PUMPING

AFFINITY LAWS

QUESTION 1

QUESTION 2