Lemonergy · Studio block

Fan pressure curve and power

Adds a speed-dependent pressure rise against a flow-resistance curve and accounts for input power.

Implementation ID: gas-fan
Reviewed: 2026-10-30

Behavior

Adds a speed-dependent pressure rise against a flow-resistance curve and accounts for input power.

Interface

Select a terminal or signal to inspect its meaning. This is a conceptual interface, not simulation output.

Ports and observed outputs
Name	Direction	Unit	Meaning
`a`	conserving	gas	Gas side A
`b`	conserving	gas	Gas side B
`Relative fan speed`	input	fraction	Relative fan speed is a directed fraction input to this component, expressed in fraction. Its binding supplies information; it is not a conserving connection.
`mass Flow`	output	kg/s	Directed output available to compatible consumers: mass Flow.
`power`	output	W	Directed output available to compatible consumers: power.
`fluid Power`	output	W	Directed output available to compatible consumers: fluid Power.
`loss`	output	W	Directed output available to compatible consumers: loss.

Signal inputs

These directed signals carry information. Conserving terminals exchange the quantities of their physical domain.

Signal outputs

Outputs can supply compatible inputs. Connections and values are inspected in the model that owns them.

Current authoring interface
Pin	Direction	Unit or domain	Meaning
Relative fan speed	input	fraction	Relative fan speed is a directed fraction input to this component, expressed in fraction. Its binding supplies information; it is not a conserving connection.
mass Flow	output	kg/s	Directed output available to compatible consumers: mass Flow.
power	output	W	Directed output available to compatible consumers: power.
fluid Power	output	W	Directed output available to compatible consumers: fluid Power.
loss	output	W	Directed output available to compatible consumers: loss.

Parameters

Defaults are initial model values. Select values for your own model and operating conditions.

Configuration fields
Parameter	Unit	Default	Meaning and limits
shutoffPressurePa `shutoffPressurePa`	Pa	2000	Declared authoring field: shutoffPressurePa. Minimum 0; Maximum 100000000
linearResistance `linearResistance`	Pa s/m3	1000	Declared authoring field: linearResistance. Minimum 1e-06; Maximum 1000000000000
quadraticResistance `quadraticResistance`	Pa s2/m6	1000	Declared authoring field: quadraticResistance. Minimum 0; Maximum 1000000000000
speed `speed`	fraction	1	Declared authoring field: speed. Minimum 0; Maximum 2
efficiency `efficiency`	fraction	0.8	Declared authoring field: efficiency. Minimum 1e-06; Maximum 1

Equations and rules

The behavior and configured interface above define this authoring component. This reference does not add numerical equations beyond its source contract.

Use in Studio

Use this authoring component

Choose this component in the Studio library and configure its declared interface. This reference describes the authoring contract; it does not claim a standalone numerical validation or a measured result.

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Use in a workflow

Connected concepts

Power

Limits and interpretation

The symbolic diagram describes the component and its declared interface. It is not a solved circuit or simulated output.
Configured parameters and model connections determine the result. Check the complete model before interpreting its outputs.

Implementation sources

This reference follows Lemonergy implementation sources. Scientific articles support the linked concepts separately.

Repository: battery-design · Revision: e248d21a9902225f1075624f23e7628b54cdb7cc

docs/glossary/studio-help-catalog.json

This implementation and its workflow uses (JSON) · Knowledge graph (JSON-LD)

Current authoring interface provenance

The interactive graphic is exported from the same Studio help descriptor. Source base: e248d21a9902225f1075624f23e7628b54cdb7cc. File content hashes in the public descriptor catalog identify the exact source snapshot. Existing numerical checks above retain their own verification scope.