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This document appears to be a psychrometric chart, which is a chart that shows temperature and humidity values in standard atmospheric conditions. It displays lines of constant wet-bulb temperature and relative humidity, allowing one to read off moisture content values like specific humidity, given dry-bulb and wet-bulb temperature readings. The chart contains numerical scales for temperature, relative humidity, barometric pressure, and specific humidity.

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90 views1 page

561

This document appears to be a psychrometric chart, which is a chart that shows temperature and humidity values in standard atmospheric conditions. It displays lines of constant wet-bulb temperature and relative humidity, allowing one to read off moisture content values like specific humidity, given dry-bulb and wet-bulb temperature readings. The chart contains numerical scales for temperature, relative humidity, barometric pressure, and specific humidity.

Uploaded by

Blessed
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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120 125 130 135 140 145

115
0,36

Carrier 35 40 45 50 55
0,033

110
0,032
0,031

105
PSYCHROMETRIC CHART 0,030 0,40

100
0,029

%
NORMAL TEMPERATURES 0,028

95

90
30
0,027
SI METRIC UNITS

90
0,45

%
0,026

80
Barometric Pressure 101,325 kPa
0,025

85
SEA LEVEL

%
0,024

70
80
0,023 0,50

y
idit
0,022

m
%
75

Hu
60

ive
0,021

lat
0,55

Re
70
0,020

25

%
50
0,019

n k J /k g d ry a ir
65
0,60

Air
0,018

g Dry
0,017

60
kJ/k
0,65

%
40
0,016

on

–1,0 E n th a lp y d e vi a tio
0,95

rati

55
0,015 0,70

atu

20

Sensible Heat Factor


at s
0,014

50
py 0.75
%
hal
30 0,013
Ent

0,80
40

45

0,012

–1,2
0,85

–0,8
–0,6
0,011
35

40

0,90

–0,4
15

,2
05

–0
,1
, 0,010
–0
25

0,95

–0
20%
30

1,00
0,009
C
e°
20

ratur 10 0,008
25

pe
Tem
tion 0,007

Moisture content kg/kg Dry Air


15

ur a
10

r Sat 0,006
lb o
t Bu 5 10%
We
5

10

0,005

0 0,004
0

0,003
–5
–5

0,002
0

0,001
–1

0,00
–10 –5 0 5 10 15 20 25 30 35 40 45 50 55
Dry Bulb Temperature °C
0,75 0,80 0,85 0,90
Volume m3 /kg dry air
Below 0°C, Properties and Enthalpy Deviation Lines Are For Ice

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