Handbook of Transportation Engineering docx

... this handbook. Once the required flow rate is determined, apply a suitable factor of safety. The value of this factor of safety can vary from a low of 5 percent of the required flow to a high of ... reserved. Any use is subject to the Terms of Use as given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 7.38 PLANT AND FACILITIES ENGINEERING FIGUR...

Ngày tải lên: 17/12/2013, 11:15

... Heating Values of Commercial Gases TABLE 21 Capacities of Gas Pipes [Losses of pressure are shown in inches of water per 100 ft (millimeters per 30.4 m) of pipe, due to the flow of gas with a specific ... size for each roof Decide whether the small roof area, i.e., the machinery room roof, will be drained by separate leaders to the ground or to the main roof area. If the small roof...

Ngày tải lên: 25/12/2013, 23:18

... exact selection of a spe- cific make of belt, consult the manufacturer’s tabulated or plotted engineering data. Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright ... percent of rated torque to protect the gears and other parts of the drive. Space limitations dictate an upper limit of 4 in (10.2 cm) and a lower limit of 2.5 i...

Ngày tải lên: 25/12/2013, 23:19

... 24.17 This procedure is the work of Allen S. Hall, Jr., Professor of Mechanical En- gineering, Purdue University; Alfred R. Holowenko, Professor of Mechanical Engineering, Purdue University; and ... procedure is the work of Richard M. Phelan, Associate Professor of Me- chanical Engineering, Cornell University. Downloaded from Digital Engineering Library @ McGraw-Hill (www.digita...

Ngày tải lên: 23/01/2014, 05:20

... bled ϭ (H 6 Ϫ H 5 )/(H 2 Ϫ H 5 ) ϭ (196.15/1107.9) ϭ 0.1771, or 17.71 percent. 2. Find the amount of heat converted to work per pound (kg) of throttle steam (b) The amount of heat converted to work per pound (kg) of throttle steam ϭ (H 1 Ϫ H 2 ) ϩ (1 Ϫ 0.1771)(H g Ϫ H 4 ) ϭ 467.3 ... given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 1.10 POWER GENERA...

Ngày tải lên: 09/11/2013, 04:15

... (0.28 kg) of water per pound (kg) of dry air. Since the water content of the air is a function of the partial pressures, (0.622) (0.5067) /[(2 ϫ 0.5067)] ϭ 0.673 lb of water per lb of dry air ... a capacity of 8000 gal (30,280.0 L), and the steam space has a capacity of 30,000 gal (113,550.0 L) of water. Downloaded from Digital Engineering Library @ McGraw-Hill (www.digita...

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 ... cu m) of natural gas; 1300 cu ft of air (36.8 cu m) per gal (0.003785 cu m) of No. 2 fuel oil; 1450 cu ft of air (41 cu m) per gal of No. 5 fuel oil; 1500 cu ft...

Ngày tải lên: 17/12/2013, 11:15

... 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 per lb of refuse; ... velocity of 4400 ft /min (22.4 m /s), an outlet velocity pressure of 1.210 inH 2 O (0.30 kPa), a speed of 1222 r/ min, and an input hp of 255.5 bhp (190.5 kW). The tabulation...

Ngày tải lên: 17/12/2013, 11:15

... 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 (393.3 Њ C). A portion of this ... Terms of Use as given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 5.4 POWER GENERATION m) are used. Use the Standards of the Bleeder Heater Manufac...

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 ... introduced every year. *Elliott, Standard Handbook of Power Plant Engineering, McGraw-Hill, 1989. Downloaded from Digital Engineering Library @ McGraw-Hill (www.digita...

Ngày tải lên: 17/12/2013, 11:15