... 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...
... reserved.
Any use is subject to the Terms of Use as given at the website.
Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS
5.10
POWER GENERATION
traction throttle flow is (SR)(kW output)
ϭ
9.25(10,000)
ϭ
92,500 ... 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...
... 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...
... the work of Norman R. Sparks, Professor and Head, Depart-
ment of Mechanical Engineering, The Pennsylvania State University, and Charles
C. DiLio, Associate Professor of Mechanical Engineering, ... the work of Norman R. Sparks, Professor and Head, Depart-
ment of Mechanical Engineering, The Pennsylvania State University, and Charles
C. DiLio, Associate Professor of Mecha...
... rights reserved.
Any use is subject to the Terms of Use as given at the website.
Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS
23.20 DESIGN ENGINEERING
The above procedure assumes the spring ... total angle of twist of 0.20 rad? The bar is
made of 302 stainless steel, which has a proportional limit in tension of 35,000
lb/in
2
(241.3 ϫ 10
6
Pa), and G ϭ torsio...
... 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; ... lb of fuel
ϭ
W
c
(14,150), where W
c
ϭ
lb of unconsumed carbon
in refuse per lb of fuel fired. With an ash and refuse of 9.42 percent of the dry
coal and combustible in the...
... 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...
... 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...