Название:
Автор:
Жанр:
Серия:
Издательство:
Pumping Systems and Performance
POWER REQUIREMENTS FOR PUMPING THROUGH PROCESS LINES
Hydraulic Power
AFFINITY LAWS
CENTRIFUGAL PUMP EFFICIENCY
Centrifugal Pump Specifications
Pump Specifications (Figures 6.43a and b)
Steps in Pump Sizing
Reciprocating Pumps
Significant Features in Reciprocating Pump Arrangements
Application
Performance
Discharge Flow Patterns
HORSEPOWER
Pump Selection
Selection Rules-of-Thumb
A CASE STUDY
Variables Descriptions
SIMULATION ALGORITHM
Problem
Discussion
Pump Cavitation
Factors in Pump Selection
COMPRESSORS
General Application Guide
Specification Guides
GENERAL CONSIDERATIONS FOR ANY TYPE OF COMPRESSOR FLOW CONDITIONS
Fluid Properties
Compressibility
Corrosive Nature
Moisture
Special Conditions
Specification Sheet
PERFORMANCE CONSIDERATIONS
Heat Rejected to Water
Drivers
Ideal Pressure – Volume Relationship
Actual Compressor Diagram
DEVIATIONS FROM IDEAL GAS LAWS: COMPRESSIBILITY
Adiabatic Calculations
Charles’ Law at Constant Pressure [9]
Amonton’s Law at Constant Volume [9]
Combined Boyle’s and Charles’ Laws
Entropy Balance Method [7]
Isentropic Exponent Method [7]
COMPRESSION RATIO
Horsepower
Single Stage
Actual Brake Horsepower, Bhp
Actual Brake Horsepower, Bhp (Alternate Correction for Compressibility)
Temperature Rise – Adiabatic
Temperature Rise – Polytropic
A CASE STUDY USING UNISIM DESIGN R460.1 SOFTWARE FOR A TWO–STAGE COMPRESSION
Solution
Accidentally Closing the PFD
Object Palette
Specifications
COMPRESSION PROCESS
ADIABATIC HEAD DEVELOPED PER SINGLE-STAGE WHEEL
Polytropic Head
Polytropic
Brake Horsepower
Speed of Rotation
TEMPERATURE RISE DURING COMPRESSION
Sonic or Acoustic Velocity
MACH NUMBER [35]
Specific Speed
COMPRESSOR EQUATIONS IN SI UNITS
Polytropic Compressor
Adiabatic Compressor
Efficiency
Mass Flow Rate, w
Mechanical Losses
Estimating Compressor Horsepower
Multistage Compressors
Multicomponent Gas Streams
AFFINITY LAWS
Speed
Impeller Diameters (Similar)
Impeller Diameter (Changed)
Effect
