View
579
Download
14
Category
Tags:
Preview:
Citation preview
CHAPTER
9
Vapor and Combined Power Cycles
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-1
FIGURE 9-1T-s diagram of two Carnot vapor cycles.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-2
FIGURE 9-2The simple ideal Rankine cycle.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-3
FIGURE 9-4(a) Deviation of actual vapor power cycle from the ideal Rankine cycle. (b) The effect of pump and turbine irreversibilities on the ideal Rankine cycle.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-4
FIGURE 9-6The effect of lowering the condenser pressure on the ideal Rankine cycle.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-5
FIGURE 9-7The effect of superheating the steam to higher temperatures on the ideal Rankine cycle.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-6
FIGURE 9-8The effect of increasing the boiler pressure on the ideal Rankine cycle.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-7
FIGURE 9-9A supercritical Rankine cycle.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-8
FIGURE 9-10T-s diagrams of the three cycles discussed in Example 9–3.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
FIGURE 9-11The ideal reheat Rankine cycle.
9-9
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-10
FIGURE 9-14The first part of the heat-addition processin the boiler takesplace at relatively low temperatures.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-11
FIGURE 9-15The ideal regenerative Rankine cycle with an open feedwater heater.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-12
FIGURE 9-16The ideal regenerative Rankine cycle with a closed feedwater heater.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-13
FIGURE 9-17A steam power plant with one open and three closed feedwater heaters.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-14
FIGURE 9-20A simple process-heating plant.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-15
FIGURE 9-21An ideal cogeneration plant.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-16
FIGURE 9-22A cogeneration plant with adjustable loads.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-17
FIGURE 9-24Combined gas–steam power plant.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
9-18
FIGURE 9-26Mercury–water binary vapor cycle.
Recommended