Tài liệu Handbook of Mechanical Engineering Calculations P15 docx

... 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 ... given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS PLUMBING AND DRAINAGE FOR BUILDINGS AND OTHER STRUCTURES 15.35 TABLE 13 Demand Weight of...

Ngày tải lên: 25/12/2013, 23:18

... 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 FIGURE 23 Negative lift (gravity ... 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...

Ngày tải lên: 17/12/2013, 11:15

... 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

... MECHANICAL AND ELECTRICAL BRAKES 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, ... Doughtie, Professor of Mechanical Engineering, University of Texas. DESIGNING A BRAKE AND ITS ASSOCIATED MECHANISMS Design a hoist for the building industry to lift a...

Ngày tải lên: 23/01/2014, 05:20

... 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; ... controlled. Related Calculations. Developing the performance characteristics of each piece of equipment as a function of load is the key to determining the mode of operation...

Ngày tải lên: 17/12/2013, 11:15

... 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 Manufacturers Association, Inc., ... output of the existing system is increased, as noted, because of increasing flow to the steam turbine’s condenser. This increased output offsets the cost of interconnecti...

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.digi...

Ngày tải lên: 17/12/2013, 11:15

... surges result. The amplitude of the pressure surge is a function of the rate of change in the velocity of the mass of fluid. This procedure shows how to compute the amplitude of the pressure surge with ... factor of 2 for traps installed between a boiler and the end of a steam main; traps at the end of a long steam main or ahead of pressure-regulating or shutoff valves usua...

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-H...

Ngày tải lên: 17/12/2013, 11:15