CHUYEN DOI DON VI DO AP SUAT potx

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CHUYỂN ĐỔI ĐƠN VỊ ĐO ÁP SUẤT VÀ LƯU LƯỢNG
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Pressure Converting Tables
The tables below can be used to convert between some common pressure units:
Multiply by
Convert from
Convert to
Pa (N/m
2
) bar atmosphere mm Hg mm H
2
O m H
2
O
Pa (N/m
2
) 1 10
-5
9.87 10
-6
0.0075 0.1 10
-4
bar 10
5
1 0.987 745 1.0197 10
4
10.197
atmosphere 1.01 10
5
1.013 1 759.9 10132 10.13

mm Hg 133.3 1.33 10
-3
1.32 10
-3
1 13.3 0.013
mm H
2
O 10 0.000097 9.87 10
-5
0.075 1 0.001
m H
2
O 10
4
0.097 9.87 10
-2
75 1000 1
kg/cm
2
9.8 10
4
0.98 0.97 735 10000 10
pound square
feet
47.8 4.78 10
-4
4.72 10
-4
0.36 4.78 4.78 10
-3

pound square
inches (psi)
6894.76 0.069 0.068 51.7 689.7 0.690
inches Hg 3377 0.0338 0.033 25.33 337.7 0.337
inches H
2
O 248.8 2.49 10
-3
2.46 10
-3
1.87 24.88 0.0249




Multiply by
Convert from
Convert to
pound square feet pound square inches (psi) inches Hg inches H
Pa (N/m
2
) 0.021 1.450326 10
-4
2.96 10
-4
4.02 10
bar 2090 14.50 29.61 402
atmosphere 2117.5 14.69 29.92 407
mm Hg 2.79 0.019 0.039 0.54
mm H

2
O 0.209 1.45 10
-3
2.96 10
-3
0.04
m H
2
O 209 1.45 2.96 40.2
kg/cm
2
2049 14.21 29.03 394
pound square feet
(psf)
1 0.0069 0.014 0.19
pound square inches
(psi)
144 1 2.04 27.7
inches Hg 70.6 0.49 1 13.57
inches H
2
O 5.2 0.036 0.074 1
Some other Pressure Units
1 Pa (N/m
2
) = 0.0000102 Atmosphere (metric)
1 Pa (N/m
2
) = 0.0000099 Atmosphere (standard)
1 Pa (N/m

2
) = 0.00001 Bar
1 Pa (N/m
2
) = 10 Barad
1 Pa (N/m
2
) = 10 Barye
1 Pa (N/m
2
) = 0.0007501 Centimeter of mercury (0 C)
1 Pa (N/m
2
) = 0.0101974 Centimeter of water (4 C)
1 Pa (N/m
2
) = 10 Dyne/square centimeter
1 Pa (N/m
2
) = 0.0003346 Foot of water (4 C)
1 Pa (N/m
2
) = 10
-9
Gigapascal
1 Pa (N/m
2
) = 0.01 Hectopascal
1 Pa (N/m
2

) = 0.0002953 Inch of mercury (0 C)
1 Pa (N/m
2
) = 0.0002961 Inch of mercury (15.56 C)
1 Pa (N/m
2
) = 0.0040186 Inch of water (15.56 C)
1 Pa (N/m
2
) = 0.0040147 Inch of water (4 C)
1 Pa (N/m
2
) = 0.0000102 Kilogram force/centimetre
2
1 Pa (N/m
2
) = 0.0010197 Kilogram force/decimetre
2
1 Pa (N/m
2
) = 0.101972 Kilogram force/meter
2
1 Pa (N/m
2
) = 10
-7
Kilogram force/millimeter
2
1 Pa (N/m
2

) = 10
-3
Kilopascal
1 Pa (N/m
2
) = 10
-7
Kilopound force/square inch
1 Pa (N/m
2
) = 10
-6
Megapascal
1 Pa (N/m
2
) = 0.000102 Meter of water (4 C)
1 Pa (N/m
2
) = 10 Microbar (barye, barrie)
1 Pa (N/m
2
) = 7.50062 Micron of mercury (millitorr)
1 Pa (N/m
2
) = 0.01 Millibar
1 Pa (N/m
2
) = 0.0075006 Millimeter of mercury (0 C)
1 Pa (N/m
2

) = 0.10207 Millimeter of water (15.56 C)
1 Pa (N/m
2
) = 0.10197 Millimeter of water (4 C)
1 Pa (N/m
2
) =7.5006 Millitorr
1 Pa (N/m
2
) = 1 Newton/square meter
1 Pa (N/m
2
) = 32.1507 Ounce force (avdp)/square inch
1 Pa (N/m
2
) = 0.0208854 Pound force/square foot
1 Pa (N/m
2
) = 0.000145 Pound force/square inch
1 Pa (N/m
2
) = 0.671969 Poundal/square foot
1 Pa (N/m
2
) = 0.0046665 Poundal/square inch
1 Pa (N/m
2
) = 0.0000099 Standard atmosphere
1 Pa (N/m
2

) = 0.0000093 Ton (long)/foot
2
1 Pa (N/m
2
) = 10
-7
Ton (long)/inch
2
1 Pa (N/m
2
) = 0.0000104 Ton (short)/foot
2
1 Pa (N/m
2
) = 10
-7
Ton/inch
2
1 Pa (N/m
2
) = 0.0075006 Torr

Bảng chuyển đổi đơn vị đo lưu lượng
BẢNG CHUYỂN ĐỔI CÁC ĐƠN VỊ ĐO LƯU LƯỢNG THÔNG DỤNG

Chuyển
đổi từ
Chuyển đổi thành
US gpd US gpm Cfm IMP gpd IMP gpm m
3

/s m
3
/min m
3
/h liter/sec liter/min
(gallon per
day)
(gallon/ngày)
(hệ Mỹ)
(gallon per
minute)
(gallon/phút)
(hệ Mỹ)
(cubic
feet per
minute)
(ft
3
/phút)
(gallon per
day)
(gallon/ngày)
(hệ Anh)
(gallon per
minute)
(gallon/phút)
(hệ Anh)
m
3
/s 22800000 15852 2119 19000000 13200 1 60 3600 1000 60000

m
3
/min 380000 264.2 35.32 316667 220 0.0167 1 60 16.67 1000
m
3
/h 6333.3 4.403 0.589 5277.8 3.67 0.000278 0.0167 1 0.278 16.67
liter/sec 22800 15.852 2.119 19000 13.20 0.001 0.06 3.6 1 60
liter/min 380 0.2642 0.0353 316.7 0.22 0.0000167 0.001 0.06 0.0167 1
liter/h 6.33 0.0044 0.00059 5.28 0.0037 2.7 10
-7
0.000017 0.001 0.00028 0.0167
US gpd 1 0.000695 0.000093 0.833 0.000579 4.39 10
-8
0.0000026 0.000158 0.000044 0.0026
US gpm 1438.3 1 0.1337 1198.6 0.833 0.000063 0.00379 0.227 0.0630 3.785
cfm 10760.3 7.48 1 8966.9 6.23 0.00047 0.028 1.699 0.472 28.32
Imp gpd 1.2 0.00083 0.00011 1 0.00069 5.26 10
-8
0.0000032 0.000189 0.0000526 0.00316
Imp
gpm
1727.3 1.2 0.161 1439.4 1 0.000076 0.0046 0.272 0.076 4.55

Một số đơn vị đo lưu lượng thông dụng khác
1 Cubic metres/second = 22643 Barrel (oil)/h
1 Cubic metres/second = 6.29 Barrel (oil)/s
1 Cubic metres/second = 3.6 10
9
Cubic centimeter/hour
1 Cubic metres/second = 6 10

7
Cubic centimetre/minute
1 Cubic metres/second = 10
6
Cubic centimetre/second
1 Cubic metres/second = 127133 Cubic feet/hour
1 Cubic metres/second = 2119 Cubic feet/minute
1 Cubic metres/second = 35.3 Cubic feet/second
1 Cubic metres/second = 3600 Cubic meters/hour
1 Cubic metres/second = 60 Cubic meters/minute
1 Cubic metres/second = 4709 Cubic yards/hour
1 Cubic metres/second = 78.5 Cubic yards/minute
1 Cubic metres/second = 1.31 Cubic yards/second
1 Cubic metres/second = 13198 Gallon water/minute (UK)
1 Cubic metres/second = 15850 Gallon water/minute (US)
1 Cubic metres/second = 951019 Gallons (FI)/hour (US)
1 Cubic metres/second = 15850 Gallons (FI)/minute (US)
1 Cubic metres/second = 264.2 Gallons (FI)/second (US)
1 Cubic metres/second = 19005330 Gallons/day (UK)
1 Cubic metres/second = 791889 Gallons/hour (UK)
1 Cubic metres/second = 13198 Gallons/minute (UK)
1 Cubic metres/second = 219.97 Gallons/second (UK)
1 Cubic metres/second = 3600000 Litre/hour
1 Cubic metres/second = 60000 Litre/minute
1 Cubic metres/second = 1000 Litre/second
1 Cubic metres/second = 131981 Pounds water/minute
1 Cubic metres/second = 86400 Ton of water (metric)/24hrs