ABSTRACT
BHP (brake horsepower) of fans; actual horsepower consumed if motor
efficiency is known; annual cost of operation of fan
9.05 Effect of elevation and air density on fan performance
9.06a Density of air and selection of fan capacity
9.06b How fan horsepower varies with density for forced draft fans
9.07 Determining power requirements of pumps
9.08 Electric and steam turbine drives for pumps; annual cost of operation
using steam turbine drive; annual cost of operation with motor
9.09a How specific gravity of liquid affects pump performance; BHP required at
different temperatures
9.09b How water temperature affects boiler feed pump power requirements
9.10 Effect of speed on pump performance; effect of change in supply
frequency
9.11 Effect of viscosity on pump flow, head, and efficiency
9.12 Determining temperature rise of liquids through pumps
9.13 Estimating minimum recirculation flow through pumps
9.14 Net positive suction head (NPSH) and its determination
9.15 Effect of pump suction conditions on NPSHa (available NPSH)
9.16 Estimating NPSHr (required NPSH) for centrifugal pumps
9.17 Determining NPSHa for reciprocating pumps
9.18 Checking performance of pumps from motor readings; relating motor
current consumption to pump flow and head; analyzing for pump problems
9.19 Checking performance of fan from motor data; relating motor current
consumption to fan flow and head
9.20 Evaluating performance of pumps in series and in parallel
9.21 Parameters affecting Brayton cycle efficiency
9.22 How to improve the efficiency of the Brayton cycle
9.01
Q: How is the steam rate for steam turbines determined?
