humidity

Example 11: Total (qDotTot), sensible (qDotSen), and latent cooling (qDotLat) required for cooling air

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 10: Condition and dehumidify air by chilling and condensing some moisture: Process table

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 09: Moisture added to air: Amount (mass)

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 08b: Humidification: As a 2-step (3-state) process

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 08a: Humidification: Drying lumber with air: required volumetric air flow rate

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 07: Sensible cooling: 'qDotSen' (-ve): energy transfer rate FROM humid air

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 06: Sensible heating: 'qSen' per mass (+ve): energy transfer TO humid air

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Webel: Psy/MPsy: Psychrometrics for Mathematica: Transferred heat (energy "Q") has field names with lower case 'qTot', 'qSen', 'qLat'. Heat rates (energy per time) have field names 'qDotTot', 'qDotSen', 'qDotLat' (to avoid clashes with Mathematica core)

Example 05: Sensible heating: 'qSen' (+ve): energy transfer TO humid air

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Webel: Psy/MPsy: Psychrometrics for Mathematica: Relative humidity is indicated by a lower case 'r' and measured as a Real fraction (rather than as a Percentage). [Some tables and plots do SHOW the relative humidity as a Percentage.]

Example 04: Values from dry bulb temperature 'tdb' and wet bulb temperature 'twb'

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 03b: Values from dry bulb temperature 'tdb' and wet bulb temperature 'twb'

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 03a: Values from dry bulb temperature 'tdb' and wet bulb temperature 'twb'

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 02: Values from dry bulb temperature 'tdb' and wet bulb temperature 'twb' (sling psychrometer)

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Example 01: Values from 'tdb' and relative humidity 'r'

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TRAIL: Air Conditioning Psychrometrics (vs CED Engineering course): Example results (only) in Mathematica and SysML using the Webel Psy package and MPsy class

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Webel: Psy/MPsy: Psychrometrics for Mathematica: Humidity ratio (absolute humidity) is indicated by a lower case 'w' and measured in mass (water) / mass (dry air) units, so the SI and IP representations are equal Real (without an explicit unit system)

Annex A.5: Humidifier (with Units)

TRAIL: SysPhS-1.1 Annex A examples in MagicDraw/Cameo SysML vs Modelica (Wolfram SystemsModeler)

Slides in this section

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Figure 64: Total humidifier system example (MOCKUP)

Figure 65: Internal structure of the total humidifier system - black box vs details

REFERENCE: A.5 Humidifier: Webel: ValueTypes and Units

REFERENCE: A.5 Humidifier: Webel: Block overview

BDD & IBD: HumidifierSystem

BDD & IBD: HumidifiedRoom

BDD & PD: VolumeConversion

BDD & PD: SaturationVaporPressure

BDD & IBD: RelativeHumidity

BDD & PD: RelativeHumidityCalculation

BDD & PD: HumidityBalance

BDD & PD: VaporPressureCalculation

BDD & PD: PercentageConversion

BDD & IBD: Humidifier

BDD & PD: WaterTank

BDD & STM: UsageScenario

BDD & STM: Control

BDD & STM: HeaterControl

BDD & IBD: VaporGenerationPlant

BDD & PD: Radiation

BDD & PD: VaporGenerationPlantCalculation

BDD & IBD: Heating

BDD & PD: TemperatureIncrease

BDD & PD: HeatingCalculation

BDD & IBD: Evaporation

BDD & PD: EvaporationCalculation

BDD & PD: EvaporationCalculation2

Export to Modelica and execution of the SysML/SysPhS block HumidifierSystem_S1

A.5 Humidifier: Scenario block overview BDDs: 96 to 102

A.5 Humidifier: Value property defaults table

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