Tài liệu Handbook of Mechanical Engineering Calculations P8 doc

... subject to the Terms of Use as given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 8.10 PLANT AND FACILITIES ENGINEERING residential, industrial), and other plants. Both ... cost of each type of pipe uses the capital-recovery equation, A ϭ (P Ϫ L)(CR) ϩ Li 1 ϩ c, where A ϭ annual cost, $; P ϭ initial cost of each type of piping, $; L ϭ salvage...

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. ... is 80 percent of bep capacity. For a specific speed of 1090, as before, the percentages of bep head and efficiency are shown in Figs. 36 and 37: 79.5 percent of bep head...

Ngày tải lên: 17/12/2013, 11:15

... website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 11.10 PLANT AND FACILITIES ENGINEERING TABLE 2 Heat-Exchanger Fouling Factors* total resistance to heat transfer. Then U ϭ the reciprocal of ... tube manufacturer’s engineering data show that a finned tube of these dimensions has 5.8 ft 2 of area per linear foot (1.8 m 2 /lin m) of tube. To compute the line...

Ngày tải lên: 17/12/2013, 11:15

... acceleration force (G), defined as multiples of gravity, is a function of the rotational speed of the bowl and the distance of the particle from the axis of rotation. In the centrifuge, the centrifugal ... reserved. Any use is subject to the Terms of Use as given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 13.30 ENVIRONMENTAL CONTROL basin in...

Ngày tải lên: 25/12/2013, 23:18

... (2.1 cm /m) of length? Calculation Procedure: 1. Sketch the building roof Figure 13 shows the building roof and machinery room roof. Indicate on the sketch the major dimensions of the roof and machinery ... replacement of existing water closets which use excessive amounts of water, in view of today’s new environmental laws and regulations. A further benefit of the ULF units is the...

Ngày tải lên: 25/12/2013, 23:18

... of Use as given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS HEATING, VENTILATING, AND AIR CONDITIONING 16.133 TABLE 32 Flow of Air in Natural-Draft Flues, ft 3 /(min ⅐ ft 2 )[m 3 /(min ⅐ m 2 )]* (53.3-cm) ... W). 4. Compute the total heat loss of the building The total heat loss of a building is the sum of the individual heat losses of the wa...

Ngày tải lên: 25/12/2013, 23:19

... (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 ... intake and return passages of the solar system. The wheels permit the transfer of thermal energy from the return to the intake side of the system and offer a means o...

Ngày tải lên: 25/12/2013, 23:19

... proceeds. This procedure is the work of Richard M. Phelan, Associate Professor of Me- chanical Engineering, Cornell University. SI vales were added by the handbook editor. SELECTION OF A RIGID FLANGE-TYPE ... for a reasonable wear rate. The shear of the screw threads with a factor of safety of 2 and the shear stress determined earlier gives a length of engagement of pQ L ϭ...

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.di...

Ngày tải lên: 23/01/2014, 05:20

... standard time of X, min)(number of pieces) ϩ (setup time of X, min) ϭ (unit standard time of Y, min)(number of pieces) ϩ (setup time of Y, min). For these two machines, since the number of pieces ... is subject to the Terms of Use as given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS 26.20 DESIGN ENGINEERING TIME AND POWER TO DRILL, BORE...

Ngày tải lên: 23/01/2014, 05:20