Tài liệu Handbook of Mechanical Engineering Calculations P14 pptx

... given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS WATER-SUPPLY AND STORM-WATER SYSTEM DESIGN 14.13 FIGURE 10 Nomogram for solution of the Hazen-Williams equation ... imperviousness of 50 percent if the time of concentration is 15 min? What would be the effect of planting a lawn over 75 percent of the site? Calculation Procedure: 1. Compute the...

Ngày tải lên: 25/12/2013, 23:18

... 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

... the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 19.28 DESIGN ENGINEERING TABLE 11 Power Ratings of 4L Cross Section V Belts TABLE 10 Power Ratings of 3L Cross Section V ... diameter Use the speed ration of the shafts to determine the diameter of the small sheave. The speed ratio of the shafts is the ratio of the speed of the high-speed shaft to...

Ngày tải lên: 25/12/2013, 23:19

... the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 20.18 DESIGN ENGINEERING the idler gear. An idler gear is generally used to reduce the required diameter of the driving and ... is the moment of inertia of the high-speed and low-speed assemblies of this gearset? Calculation Procedure: 1. Compute the moment of inertia of each gear The moment of ine...

Ngày tải lên: 25/12/2013, 23:19

... 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

... 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

... 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

... 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