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Online Interactive p-H and T-s Diagram
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Condenser Coil Design
Evaporator Coil Design
Cooling/Heating Coil Design
Tube Shell Heat Exchanger Design
Capillary Design
Translating Rotor Compressor
Contact
Basic
Process
Cycles
Single Stage Cycle
Single Stage Cycle With Internal Heat Exchanger
Two-Stage Cycle With Intercooler
Two-Stage Cycle With Economiser
Two-Stage Cycle With Liquid Injection
Transcritical Cycle
ORC - Simple Organic Rankine Cycle
ORC - Organic Rankine Cycle With Internal Heat Exchanger
Setting
Display
Online Interactive p-H and T-s Diagram. Please allow more processing time for mixed refrigerant.
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Click on diagram for properties
Or input data for properties
Pressure, bar
Enthalpy, kJ/kg
Quantity
Value
Units
Refrigerant
Pressure
bar
Enthalpy
kJ/kg
Temperature
°C
Entropy
kJ/(kg*K)
Quality/Dryness
-
Heat Capacity
kJ/(kg*K)
Ratio Cp/Cv
-
Density
kg/m3
Dyna. Viscosity
mPa*s
Kine. Viscosity
cSt
Thermal Cond.
W/(m*K)
Process calculation
#
P, bar
Enthalpy, kJ/kg
+
X
Set point to -1,-1 to start new line.
Compute and draw process line
Single Stage Cycle
Quantity
Value
Unit
Evaporator
T.evaporating
°C
T.superheating
K
P.drop
bar
Refrigerating cap.
W
Condenser
T.condensing
°C
T.subcooling
K
P.drop
bar
Compressor
Isentropic efficiency
-
Suction Line
Superheat
K
P.drop
bar
Discharge Line
T.drop
K
P.drop
bar
Calculation output
Mass flow
kg/h
Volume flow
m3/h
COP
-
Calculate and draw this cycle
Single Stage Cycle With Internal Heat Exchanger
Quantity
Value
Unit
Evaporator
T.evaporating
°C
T.superheating
K
P.drop
bar
Refrigerating cap.
W
Condenser
T.condensing
°C
T.subcooling
K
P.drop
bar
Internal HX
min.T.differential
K
P.drop.gas
bar
Compressor
Isentropic efficiency
-
Suction Line
Superheat
K
P.drop
bar
Discharge Line
T.drop
K
P.drop
bar
Calculation output
Mass flow
kg/h
Volume flow
m3/h
COP
-
Calculate and draw this cycle
Single Stage Cycle With Intercooler
Quantity
Value
Unit
Evaporator
T.evaporating
°C
T.superheating
K
P.drop
bar
Refrigerating cap.
W
Condenser
T.condensing
°C
T.subcooling
K
P.drop
bar
Compressor
LP.Isentr. efficiency
-
HP.Isentr. efficiency
-
P.intermediate
bar
Auto intermediate compression ratio
Intercooler
T.outlet
°C
P.drop
bar
Suction Line
Superheat
K
P.drop
bar
Discharge Line
T.drop
K
P.drop
bar
Calculation output
Mass flow
kg/h
LP Volume flow
m3/h
HP Volume flow
m3/h
COP
-
Calculate and draw this cycle
Single Stage Cycle With Economiser
Quantity
Value
Unit
Evaporator
T.evaporating
°C
T.superheating
K
P.drop
bar
Refrigerating cap.
W
Condenser
T.condensing
°C
T.subcooling
K
P.drop
bar
Compressor
LP.Isentr. efficiency
-
HP.Isentr. efficiency
-
P.intermediate
bar
Auto intermediate compression ratio
Economiser
min.T.differential
K
Given superheat
K
Given flow ratio
-
Given T.superheat
Suction Line
Superheat
K
P.drop
bar
Discharge Line
T.drop
K
P.drop
bar
Calculation output
LP Mass flow
kg/h
HP Mass flow
kg/h
LP Volume flow
m3/h
HP Volume flow
m3/h
COP
-
Calculate and draw this cycle
Single Stage Cycle With Liquid Injection
Quantity
Value
Unit
Evaporator
T.evaporating
°C
T.superheating
K
P.drop
bar
Refrigerating cap.
W
Condenser
T.condensing
°C
T.subcooling
K
P.drop
bar
Compressor
LP.Isentr. efficiency
-
HP.Isentr. efficiency
-
P.intermediate
bar
Auto intermediate compression ratio
Intermediate Injection
Given superheat
K
Given Inj. flow ratio
-
Given superheat
Suction Line
Superheat
K
P.drop
bar
Discharge Line
T.drop
K
P.drop
bar
Calculation output
LP Mass flow
kg/h
HP Mass flow
kg/h
LP Volume flow
m3/h
HP Volume flow
m3/h
COP
-
Calculate and draw this cycle
Transcritical Cycle
Quantity
Value
Unit
Evaporator
T.evaporating
°C
T.superheating
K
P.drop
bar
Gas Cooler
T.outlet
°C
P.drop
bar
Heating capacity
W
Compressor
Isentropic efficiency
-
P.output
bar
Suction Line
Superheat
K
P.drop
bar
Discharge Line
T.drop
K
P.drop
bar
Calculation output
Mass flow
kg/h
Volume flow
m3/h
COPh
-
Calculate and draw this cycle
OGC - Organic Rankine Cycle
Quantity
Value
Unit
Steam Generator
T.evaporating
°C
T.superheating
K
Heating capacity
kW
Condenser
T.condensing
°C
T.subcooling
K
Pump
Comp. Efficiency
-
Expander
Exp. Efficiency
-
Calculation output
Mass flow
kg/h
Volume flow
m3/h
Pump power feed
kW
Exp. power output
kW
Therm. Efficiency
-
Calculate and draw this cycle
OGC - Organic Rankine Cycle With Internal Heat Exchanger
Quantity
Value
Unit
Steam Generator
T.evaporating
°C
T.superheating
K
Heating capacity
kW
Condenser
T.condensing
°C
T.subcooling
K
Pump
Comp. Efficiency
-
Expander
Exp. Efficiency
-
Internal HX
min. T. differential
-
Calculation output
Mass flow
kg/h
Volume flow
m3/h
Pump power feed
kW
Exp. power output
kW
Therm. Efficiency
-
Calculate and draw this cycle
Diagram ranges:
p-H Diagram
Min.Entalpy
kJ/kg
Max.Enthalpy
kJ/kg
Min.Pressure
bar
Max.Pressure
bar
T-s Diagram
Min.Entropy
kJ/(kg*K)
Max.Entropy
kJ/(kg*K)
Min.Temperature
°C
Max.Temperature
°C
Use input values
Diagram lines:
p-H Diagram
Isotherm
Isentrop
Quality
Isochor
T-s Diagram
Isobar
Isenthalp
Quality
Isochor
Display settings
Item
Color
Line.Style
Width
BackGround
Frame
Saturation
Quality
Process Line
p-H Diagram
Pressure
Enthalpy
Temperature
Entropy
T-s Diagram
Temperature
Entropy
Pressure
Enthalpy
Display preset:
Update customized changes
Pressure-Enthalpy/p-H Diagram
Temperature-Entropy/T-s Diagram
Parameters
Isotherm, °C
Isentrop, kJ/(kg*K)
Quality
Isochor, m^3/kg
140
160
180
200
220
240
260
280
300
320
340
360
380
400
420
440
460
480
500
520
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
-30
-30 °C
-20
-20
-10
-10
0
0
10
10
20
20
30
30
40
40
50
50
60
60
70
70
80
80
90
90
100
110
120
130
140
150
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.25
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0.007
0.009
0.020
0.030
0.040
0.050
0.060
0.080
0.100
0.200
0.300
0.400
0.500
0.600
0.800
Enthalpy (kJ/kg)
Pressure (bar)
Refrigerant Pressure - Enthalpy(p - H) Diagram - R22
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Isobar, bar
Isenthalp, kJ/kg
Quality
Isochor, m^3/kg
180
200
220
240
260
280
300
320
340
360
380
420
440
460
480
500
520
2 bar
3
4
6
8
20
30
40
50
60
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2
2.1
2.2
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0.002
0.003
0.004
0.005
0.007
0.009
0.020
0.030
0.050
0.070
0.100
0.200
0.300
0.500
0.700
Entropy (kJ/(kg*K))
Temperature (°C)
Refrigerant Temperature-Entropy(T-s) Diagram - R22
Sorry, your browser does not support inline SVG.
Process calculation result
Point
P
t
h
s
v
x
bar
°C
kJ/kg
kJ/(kg*K)
m3/kg
-
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Condenser Coil Design
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Cooling/Heating Coil Design
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Capillary Design