LVRPA

AcronymDefinition
LVRPALea Valley Regional Park Authority (UK)
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References in periodicals archive ?
Additionally, the figure presents a profile of LVRPA along the y-coordinate, with maximum value at the interface surface-flow ([LVRPA.sub.s]) and minimum value at reactor bottom ([LVRPA.sub.[infinity]]).
[LVRPA.sub.s] - LVRPA ([[delta].sub.abs])/[[VRPA.sub.s] - [LVRPA.sub.[infinity]] = 0.99.
VRPA is defined as an average value of LVRPA in the whole volume.
VRPA and boundary layer thickness presented above are design parameters of photoreactors and their calculations require a model of radiant field, which quantify LVRPA within the reactor.
LVRPA divided by flux of incident radiant energy in reactor [I.sub.0] expressed by this model is