Low Temperature Process Library
Overview
111 Available Units
Example Projects
LTP_Lib - Low Temperature Process Library
The Low Temperature Process Library has been designed for modeling low temperature energy conversion processes. It allows you to design and analyze Organic Rankine Cycles (ORC), Supercritical CO2 Cycles (sCO2) and Kalina Cycles. LTP_Lib contains models for both design and off-design analysis.
Working Fluids
The Low Temperature Process Library contains five groups of working fluids:
- Organic working fluids
- Ammonia-Water mixtures as working fluid
- Heat transfer fluids (thermofluids) like thermo oils and salt mixtures
- Water
- Gaseous working fluids
Library Author
SimTech GmbH
Keywords
Organic Rankine Cycle, ORC, Kalina Cycle, Supercritical CO2
Version
6.6.18
First Published
7/2008
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A_Condenser
condenser for NH3/H2O mixtures, water cooled
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A_Condenser_a
condenser forNH3/H2O mixtures, air cooled, dry
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A_Connector
connector for NH3/H2O mixtures to be used in closed loops
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A_Flash
flash chamber for NH3/H2O mixtures
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A_G_Htex
heat exchanger for transfer from NH3/H2O mixtures on hot side to gas on cold side
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A_Htex
general purpose heat exchanger for NH3/H2O mixtures
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A_Mixer
mixer for NH3/H2O mixtures
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A_Pipe
pipe for NH3/H2O mixtures
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A_Splitter
splitter for NH3/H2O mixtures
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A_Sink
sink for a NH3/H2O stream
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A_Source
source for a NH3/H2O stream
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A_Turbine
turbine for NH3/H2O mixtures
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A_T_Htex
heat exchanger for transfer from NH3/H2O mixture on hot side to a thermofluid on cold side
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A_Valve
valve for NH3/H2O mixtures
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A_W_Htex
heat exchanger for transfer from NH3/H2O mixture on hot side to water on cold side
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A_Xprescription
prescription/calculation of the fluid quality for NH3/H2O mixtures
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A_Pump
pump for NH3/H2O mixtures
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gear
gears
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generator
generator
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G_Analyzer
gas analyzer gives detailed information on gas composition
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G_A_Htex
heat exchanger for transfer from gas on hot side to NH3/H2O mixtures on cold side
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G_Ambient_Sink
release of a gas stream at ambient pressure
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G_Ambient_Source
source for an air stream at ambient conditions
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G_Compressor
gas compressor
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G_Condenser
gas condenser, water cooled
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G_Connector
connector for gas streams to be used in closed loops
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G_Htex
general purpose heat exchanger for gases
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G_Heat_sink
heat sink for gas streams
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G_Heat_source
heat source for gas streams
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G_Mixer
mixer for gas streams
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G_O_Htex
heat exchanger for transfer from gas on hot side to organic fluid on cold side
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G_Pipe
pipe for gas streams
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G_Sink
sink for a gas stream
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G_Source
source for a gas stream
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G_Splitter
splitter for gas streams
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G_Stream_to_stream
transition piece to change from G_Streams to streams
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G_Turbine
turbine for gaseous fluids
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G_T_Htex
heat exchanger for transfer from gas on hot side to thermofluids on cold side
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G_Valve
valve for gas
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G_W_Htex
heat exchanger for transfer from gas on hot side to water on cold side
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mech_loss
mechanical loss
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motor
motor
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optimization
optimization element
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O_Boiler
simple boiler model for ORC fluids
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O_Compressor
compressor for ORC fluids
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O_Condenser
condenser for ORC fluids, water cooled
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O_Condenser_a
condenser for ORC fluids, air cooled, dry
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O_Connector
connector for ORC streams to be used in closed loops
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O_Expander
expander for ORC fluids
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O_G_Htex
heat exchanger for transfer from ORC fluid on hot side to gas on cold side
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O_Htex
general purpose heat exchanger for ORC fluids
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O_Mixer
mixer for ORC streams
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O_Pipe
pipe for ORC fluids
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O_Pump
pump for ORC fluids
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O_Separator
vapour-liquid separator for ORC fluids
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O_Splitter
splitter for ORC streams
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O_Sink
sink for an ORC stream
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O_Source
source for an ORC stream
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O_Turbine
turbine for ORC fluids
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O_T_Htex
heat exchanger for transfer from ORC fluid on hot side to thermofluid on cold side
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O_Valve
valve for ORC fluid
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O_W_Htex
heat exchanger for transfer from ORC fluid on hot side to water on cold side
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O_Xprescription
prescription/calculation of vapor quality of an ORC fluid
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stream_to_G_Stream
transition piece to change from streams to G_Streams
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stream_to_W_Stream
transition piece to change from streams to W_Streams
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T_A_Htex
heat exchanger for transfer from thermofluid on hot side to NH3/H2O mixture on cold side
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T_Connector
connector for heat transfer fluids to be used in closed loops
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T_G_Htex
heat exchanger for transfer from thermofluid on hot side to gas on cold side
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T_Heat_sink
heat sink for heat transfer fluids
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T_Heat_source
heat source for heat transfer fluids
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T_Htex
general purpose heat exchanger for heat transfer fluids
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T_Mixer
mixer for heat transfer fluid streams
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T_O_Htex
heat exchanger for transfer from thermofluid on hot side to ORC fluids on cold side
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T_Pipe
pipe for heat transfer fluids
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T_Pump
pump for heat transfer fluids
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T_Splitter
splitter for heat transfer fluid streams
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T_Sink
sink for a heat transfer fluid stream
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T_Source
source for a heat transfer fluids
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T_Valve
valve for heat transfer fluids
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T_W_Htex
heat exchanger for transfer from thermofluid on hot side to water on cold side
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W_A_Htex
heat exchanger for transfer from water on hot side to NH3/H2O mixtures on cold side
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W_Boiler
simple water/steam boiler model
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W_Condenser_a
steam condenser, air cooled, dry
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W_Connector
connector for water streams to be used in closed loops
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W_Condenser
steam condenser, water cooled
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W_Cooling_Tower_dry
dry cooling tower
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W_Cooling_Tower_wet
wet cooling tower
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W_Deaerator
direct mixing preheater a.k.a. deaerator
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W_Drum
steam drum
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W_G_Htex
heat exchanger for transfer from water on hot side to gas on cold side
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W_Htex
general purpose heat exchanger, water on both sides
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W_Heat_sink
heat sink for water streams
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W_Heat_source
heat source for water streams
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W_Mixer
mixer for water streams
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W_O_Htex
heat exchanger for transfer from water on hot side to organic fluid on cold side
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W_Pipe
pipe for water
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W_Preheater
preheater for water/steam cycles
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W_Pump
pump for water
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W_Reheater
simple reheater model
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W_Separator
separator splitting water into condensate and steam
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W_Sink
sink for a water stream
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W_Source
source for a water stream
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W_Splitter
splitter for water streams
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W_Stream_to_stream
transition piece to change from W_Streams to streams
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W_Turbine
steam turbine
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W_Turbine_end
steam turbine, end stage
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W_T_Htex
heat exchanger for transfer from water on hot side to thermofluids on cold side
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W_Valve
valve for water
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W_Xprescription
prescription/calculation of steam quality
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conditional_setting
free conditional equation to set selected variables
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free_var
free variable
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Carnot battery HP-ORC
The reversible combination of a heat pump and an organic rankine cycle process coupled via a thermal storage device forms a so-called Carnot battery. In this example both processes use the same working fluid and can share major process components as the heat exchangers.
Demo_KCS1D2r
This project has no description.
Demo_KCS34
This project has no description.
Demo_KCS34g3
This project has no description.
Demo_ORC_Cogeneration_Plant
This project has no description.
Demo_ORC_Plant_for_Waste_Heat_Recovery
This project has no description.
Demo_ORC_Recuperator_Air_Cooled
This project has no description.
Demo_ORC_Thermooil_Boiler
This project has no description.
Demo_ORC_basic
This project has no description.
Demo_ORC_with_Recuperator
This project has no description.
sCO2 Recompression Cycle
Supercritical CO2 cycle with split flow recompression and low and high temperature recuperation.
sCO2 Recuperated Cycle
Supercritical CO2 cycle with internal heat recuperation.
sCO2 Simple Brayton Cycle
The basic configuration of a closed Brayton cycle using supercritical CO2 as working fluid.
