Burnham BH Manual De Usuario

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12
C.
  SELECTION PROCEDURE - STEAM APPLICATION
Example 1:
GIVEN DESIGN CONDITIONS:
Unit Heater Model:  BH-63
Steam Pressure:  10 lb 
Entering Air Temperature:  70°F
APPLICATION PROCEDURE:
:
y
t
i
c
a
p
a
C
.
1
u
t
B
A
u
t
B
=
S
r
o
t
c
a
F
y
t
i
c
a
p
a
C
g
n
i
t
a
e
H
x
=
6
0
.
1
x
0
0
0
,
3
6
=
r
h
/
u
t
B
0
8
7
,
6
6


s
i
3
6
-
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B
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f
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c
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0
,
3
6
.
3
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l
b
a
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f
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1
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5
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:
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2
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0
7
=

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3
:
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(
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)
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x
)
F
°
0
6
-
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°
2
1
(
=
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°
4
6
.
5
5
T
A
F
A
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E
=
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+
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°
4
6
.
5
5
+
F
°
0
7
=
F
F
°
4
6
.
5
2
1
=


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3
6
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B
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3
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4
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M
.
x
a
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:
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=
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r
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t
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r
r
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C
x
=
4
9
.
0
x
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f
4
1
=
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6
1
.
3
1
t


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Example 2:
GIVEN DESIGN CONDITIONS:
Vertical Air Delivery requested
Heating Load:  100,000 Btu/hr 
Entering Air Temperature:  50°F
Steam Pressure:  2 lb
APPLICATION PROCEDURE:
:
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S
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.
1
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=
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1
=
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2
:
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=
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x
=
7
0
.
1
x
0
0
0
,
5
9
=
r
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/
u
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B
0
5
6
,
1
0
1
.

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