transport properties of dupont(tm) suva(r) refrigerants ... · equations for property estimation...

Product Information

DuPont™ Suva®

refrigerants

Transport Properties ofDuPont™ Suva® Refrigerants:DuPont™ Suva® 404A (HP62)DuPont™ Suva® HP80DuPont™ Suva® HP81

Viscosity, Thermal Conductivityand Heat Capacity for theLiquid and Vapor

ART 18

Transport Properties ofDuPont™ Suva® Refrigerants

Suva® 404A (HP62) Suva® HP80 Suva® HP81

English Units Page

Saturated Liquid Viscosity ..................................................................................................... 2

Saturated Liquid Thermal Conductivity ................................................................................... 3

Saturated Liquid Heat Capacity ............................................................................................. 4

Vapor Viscosity at One Atmosphere ..................................................................................... 5

Vapor Viscosity At High Pressure ..................................................................................... 6–8

Vapor Thermal Conductivity at One Atmosphere .................................................................... 9

Vapor Thermal Conductivity at High Pressure ................................................................ 10–12

Vapor Heat Capacity ..................................................................................................... 13–15

Vapor Heat Capacity Ratio ............................................................................................ 16–18

Equations for Property Estimation ....................................................................................... 19

Metric Units

Saturated Liquid Viscosity ................................................................................................... 20

Saturated Liquid Thermal Conductivity ................................................................................. 21

Saturated Liquid Heat Capacity ........................................................................................... 22

Vapor Viscosity at One Atmosphere ................................................................................... 23

Vapor Viscosity At High Pressure ................................................................................. 24–26

Vapor Thermal Conductivity at One Atmosphere .................................................................. 27

Vapor Thermal Conductivity at High Pressure ................................................................ 28–30

Vapor Heat Capacity ..................................................................................................... 31–33

Vapor Heat Capacity Ratio ............................................................................................ 34–36

Equations for Property Estimation ....................................................................................... 37

Table o f Contents

2

R404A

3

R404A

4

R404A

5

R404A

6

R404A Vapor Viscosity

7

8

9

R404A

10

R404A Vapor Thermal Conductivity

11

12

13

R404A Vapor Heat Capacity

14

15

16

R404A Vapor Heat Capacity Ratio

17

18

Equat ions for Property Est imat ion

English UnitsCurves have been fitted to the measured data to obtain the following equations forestimation of properties within the ranges specified.

Liquid Viscosity in cP (–50°F to 160°F)Suva® 404A µ = 0.231 – 1.838E-3 T + 8.502E-6 T2 – 2.361E-8 T3

Suva® HP80 µ = 0.239 – 1.815E-3 T + 8.207E-6 T2 – 2.259E-8 T3

Suva® HP81 µ = 0.246 – 1.807E-3 T + 8.133E-6 T2 – 2.258E-8 T3

Liquid Thermal Conductivity in Btu/hr ft °F (–80°F to 160°F)Suva® 404A k = 0.0480 – 1.102E-4 T + 4.244E-8 T2 – 7.685E-10 T3

Suva® HP80 k = 0.0491 – 1.199E-4 T + 1.493E-8 T2 – 3.077E-10 T3

Suva® HP81 k = 0.0521 – 1.248E-4 T + 4.461E-8 T2 – 6.403E-10 T3

Liquid Heat Capacity in Btu/lb °F (–40°F to 140°F)Suva® 404A Cp = 0.306 + 4.083E-4 T – 1.194E-6 T2 + 8.056E-8 T3

Suva® HP80 Cp = 0.290 + 2.362E-4 T – 3.443E-7 T2 + 3.695E-8 T3

Suva® HP81 Cp = 0.287 + 2.403E-4 T – 3.045E-8 T2 + 3.179E–8 T3

Vapor Viscosity at One Atmosphere in cP (–20°F to 300°F)Suva® 404A µ = 0.01054 + 2.130E-5 TSuva® HP80 µ = 0.01124 + 2.154E-5 TSuva® HP81 µ = 0.01118 + 2.124E-5 T

Vapor Thermal Conductivity at One Atmosphere in Btu/lb ft °F (–20°F to 300°F)Suva® 404A k = 0.00620 + 2.046E-5 TSuva® HP80 k = 0.00564 + 2.181E-5 TSuva® HP81 k = 0.00530 + 2.155E-5 T

Where T = Temperature, °F

19

20

R404A

21

R404A

22

R404A

23

R404A

24

R404A Vapor Viscosity

25

26

27

R404A

28

R404A Vapor Thermal Conductivity

29

30

31

R404A Vapor Heat Capacity

32

33

34

R404A Vapor Heat Capacity Ratio

35

36

Equat ions for Property Est imat ion

Metric UnitsCurves have been fitted to the measured data to obtain the following equations forestimation of properties within the ranges specified.

Liquid Viscosity in µPa•s (–50°C to 70°C)Suva® 404A µ = 180.7 – 2.460 T + 2.020E-2 T2 – 1.377E-4 T3

Suva® HP80 µ = 188.5 – 2.447 T + 1.956E-2 T2 – 1.317E-4 T3

Suva® HP81 µ = 196.1 – 2.437 T + 1.928E-2 T2 – 1.326E-4 T3

Liquid Thermal Conductivity in mW/m °C (–50°C to 70°C)Suva® 404A k = 76.7 – 0.333 T + 1.38E-4 T2 – 1.06E-5 T3

Suva® HP80 k = 77.8 – 0.349 T + 1.55E-4 T2 – 1.08E-5 T3

Suva® HP81 k = 82.6 – 0.363 T + 2.11E-4 T2 – 1.41E-5 T3

Liquid Heat Capacity in J/g °C (–40°C to 60°C)Suva® 404A Cp = 1.345 + 4.435E-3 T + 6.914E-5 T2 + 2.113E-6 T3

Suva® HP80 Cp = 1.255 + 2.791E-3 T + 5.556E-5 T2 + 8.231E-7 T3

Suva® HP81 Cp = 1.238 + 2.280E-3 T + 3.862E-5 T2 + 9.053E-7 T3

Vapor Viscosity at One Atmosphere in µPa•s (–20°C to 150°C)Suva® 404A µ = 11.22 + 3.835E-2 TSuva® HP80 µ = 11.93 + 3.876E-2 TSuva® HP81 µ = 11.86 + 3.823E-2 T

Vapor Thermal Conductivity at One Atmosphere in mW/m °C (–20°C to 150°C)Suva® 404A k = 11.86 + 6.36E-2 TSuva® HP80 k = 10.97 + 6.78E-2 TSuva® HP81 k = 10.36 + 6.70E-2 T

Where T = Temperature, °C

37

(4/05) 235499 Printed in U.S.A.[Replaces: H-49740-1]Reorder No.: H-49740-2

JapanMitsui DuPont Fluorochemicals

Co., Ltd.Chiyoda Honsha Bldg.5-18, 1-Chome SarugakuchoChiyoda-Ku, Tokyo 101-0064 Japan81-3-5281-5805

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CanadaL5M 2H3(905) 821-3300

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The information contained herein is based on technical data and tests which we believe to be reliable and is intended for use by persons havingtechnical skill, at their own discretion and risk. Because conditions of use are outside of DuPont control, we can assume no liability for resultsobtained or damages incurred through the application of the data presented.

For Further Information:DuPont FluorochemicalsWilmington, DE 19880-0711(800) 235-SUVAwww.suva.dupont.com

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