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  5. ISO 15926-4 Edition 3
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  7. SPECIFIC SPEED

SPECIFIC SPEED

A class with identifier http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS402839

MetadataThis section provides information about 'RDS402839'.

DefinitionA <SPECIFIC SPEED> is an <IndirectProperty> that refers to a <ROTATIONAL SPEED> (in rpm) that a geometrically similar impeller would need to operate in order to deliver 1 L/s of fluid at a head of 1 m (US units : 1 USgal/min at a head of 1 ft ). It is calculated as: nq=(N*(Q^0,5))/(H^0,75) where nq=specific speed, N=rotative speed in revolutions per minute, Q=total pump flow in cubic meters per second, H=head per stage in meters
ISO number6781
RDS numberRDS402839
SourceISO 15926 CR6 PROPERTY AND STATUS (VTver1)

AlignmentThis section lists the most specific P2-superclasses of 'RDS402839' together with an alignment with corresponding classes in P14, if available.

IndirectPropertylis14:Quality

ContextThis section provides super- and subclasses of 'RDS402839'.