QUDT Propulsion Extension Units Vocabulary Version 3.5.0
type: Ontology
imports: quantitykind
imports: qudt
imports: unit
has graph metadata: QUDT Propulsion Extension Units Version 3.5 Vocabulary

Pound Mass per Hour Psi
type: Unit
description: quotient of the traditional unit avoirdupois pound for mass according to the avoirdupois system of units divided by the unit for time hour divided by the composed unit for pressure (pound-force per square inch)
has dimension vector: A0E0L1I0M0H0T1D0
has quantity kind: ThrusterPowerToThrustEfficiency
iec61360 code: 0112/2///62720#UAA684
symbol: lbm/(h·psi)
ucum code: [lb_av].h-1.[psi]-1
unece common code: K74

Pound Mass per Minute Psi
type: Unit
description: quotient of the traditional unit avoirdupois pound for mass according to the avoirdupois system of units and the unit minute for time divided by the composed unit for pressure (pound-force per square inch)
conversion multiplier: 0.00000109646685327473364162753505699364
has dimension vector: A0E0L1I0M0H0T1D0
has quantity kind: ThrusterPowerToThrustEfficiency
iec61360 code: 0112/2///62720#UAA691
symbol: lbm/(min·psi)
ucum code: [lb_av].min-1.[psi]-1
unece common code: K80

Pound Mass per Second Psi
type: Unit
description: quotient of the traditional unit avoirdupois pound for mass according the avoirdupois system of units and the SI base unit second divided by the composed unit for pressure (pound-force per square inch)
conversion multiplier: 0.00006578801119648401849765210341961838
has dimension vector: A0E0L1I0M0H0T1D0
has quantity kind: ThrusterPowerToThrustEfficiency
iec61360 code: 0112/2///62720#UAA694
symbol: lbm/(s·psi)
ucum code: [lb_av].s-1.[psi]-1
unece common code: K83

QUDT Propulsion Extension Units Version 3.5 Vocabulary
type: GraphMetaData
contributor: Jack Hodges
contributor: Steve Ray
created: 2026-04-21
creator: Ralph Hodgson
creator: Steve Ray
modified: 2026-07-28T13:43:53Z
rights: The QUDT Ontologies are issued under a Creative Commons Attribution 4.0 International License (CC BY 4.0), available at https://creativecommons.org/licenses/by/4.0/. Attribution should be made to QUDT.org
subject: PROPULSION UNITS
label: QUDT Propulsion Extension Units Vocabulary Metadata Version 3.5.0
description: Propulsion-specific units and unit-to-quantity-kind relationships.
graph title: QUDT Propulsion Extension Units Vocabulary Version 3.5.0
has graph role: VocabularyGraph
intent: Provides a vocabulary of propulsion-specific units and unit mappings.
is metadata for: QUDT Propulsion Extension Units Vocabulary Version 3.5.0
namespace: http://qudt.org/vocab/unit/
namespace prefix: unit
owner: QUDT.org
turtle file URL: QUDT Propulsion Extension Units Vocabulary Version 3.5.0
uses non imported resource: created
uses non imported resource: creator
uses non imported resource: modified
uses non imported resource: title