handbook of thermal engineering ~ team tolly

... R =− WQQ cycle A R =− Library of Congress Cataloging-in-Publication Data The CRC handbook of thermal engineering / edited by Frank Kreith. p. cm. (The mechanical engineering handbook series) Includes ... Optimizing the Design of a Thermal System • Case Study • Additional Iterations 1.10 Economic Analysis of Thermal Systems Estimation of Total Capital Investm...

Ngày tải lên: 08/04/2014, 10:42

... Compute the full-load and steam rate The energy converted to work, Btu /lb of steam ϭ (available energy, Btu/lb of steam)(engine efficiency) ϭ (545)(0.74) ϭ 403 Btu/lb of steam (937.4 kJ/kg). For ... the effect of different steam inlet pressures on the condition line of a single-nozzle turbine at various loads. What is the available energy, Btu /lb of steam, in a noncondensing stea...

Ngày tải lên: 09/11/2013, 04:15

... by the handbook editor. STEAM-CONDENSER PERFORMANCE ANALYSIS (a) Find the required tube surface area for a shell-and-tube type of condenser serv- ing a steam turbine when the quantity of steam ... square foot of tube surface will condense 7 to 20 lb/h (0.88 to 2.5 g/ s) of steam with a cooling-water circulating rate of 0.1 to 0.25 gal/ (lb ⅐ min) [0.014 to 0.035 L/ (kg ⅐ s)] of...

Ngày tải lên: 09/11/2013, 04:15

... combustion and increases the weight of the products of combustion per pound (kilogram) of coal burned. Therefore, the weight of the products of combustion is the sum of the weight of the combustion products ... /18)(0.013) ϭ 0.0209, say 0.021 mol of water per mol of air. The product of this and the moles of air gives the total moles of Downloaded from Digital Engineer...

Ngày tải lên: 17/12/2013, 11:15

... S ϭ steam generated, lb/ h; h g ϭ enthalpy of the generated steam, Btu/lb; h ƒ1 ϭ enthalpy of inlet feedwater; S r ϭ reheated steam flow, lb/h (if any); h g3 ϭ outlet enthalpy of reheated steam; ... M ƒ ϭ lb of moisture per lb fuel burned; M a ϭ lb of moisture per lb of dry air to furnace; C b ϭ lb of carbon burned per lb of fuel burned ϭ C ϭ RC r ; C r ϭ lb of combustible pe...

Ngày tải lên: 17/12/2013, 11:15

... Diesel-Engine Repowering of a Steam Plant 5.13 STEAM-PLANT FEEDWATER-HEATING CYCLE ANALYSIS The high-pressure cylinder of a turbogenerator unit receives 1,000,000 lb per h (454,000 kg /h) of steam at initial ... conditions of 1800 psia (12,402 kPa) and 1050 Њ F (565.6 Њ C). At exit from the cylinder the steam has a pressure of 500 psia (3445 kPa) and a temperature of 740 Њ F (393....

Ngày tải lên: 17/12/2013, 11:15

... average heat of vaporization of 1000 Btu / lb (2330 kJ / kg) of steam, this exhaust gas flow could generate 8,880,000 /1000 ϭ 8880 lb/h (4032 kg/h) of steam. If oil with a heating value of 145,000 ... types of fuels and the internal-combustion engines using them. Note that where the cost of the fuel is high, the cost of the engine is low; where the cost of the fuel is low, th...

Ngày tải lên: 17/12/2013, 11:15

... Terms of Use as given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 7.46 PLANT AND FACILITIES ENGINEERING 0.392 ϩ 0.784 ϭ 138.226 ft (42.1 m), say 140 ft (42.7 m) of water. ... ENGINEERING FIGURE 29 Condensate pump serving a steam power plant. sponding to an absolute pressure in the condenser of 1 in (25.4 mm) Hg, obtained from the steam tables. The...

Ngày tải lên: 17/12/2013, 11:15

... Determine the cost of the leaking steam The cost of a steam leak, C $ ϭ LSH /1000, where C ϭ annual cost of steam leak, $, for H hours of yearly operation of the pipe; S ϭ cost of steam, $ per 1000 ... weight of charging steam required is found by solving the following heat-balance equation: (weight of starting water, lb)( of startingh ƒ water, Btu/lb) ϩ (weight of chargin...

Ngày tải lên: 17/12/2013, 11:15

... (www.digitalengineeringlibrary.com) Copyright © 2006 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING ... (339.6 m 3 /min) of air at a pressure of 14 lb/in 2 (abs) (96.46 kPa) and a temperature of 60 Њ F (15.6 Њ C). Downloaded from Digital Engineering Library @ McGraw-Hil...

Ngày tải lên: 17/12/2013, 11:15