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amountOfSubstanceWeightFlux unclear #285

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maier-m opened this issue Feb 14, 2018 · 2 comments
Closed

amountOfSubstanceWeightFlux unclear #285

maier-m opened this issue Feb 14, 2018 · 2 comments
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@maier-m
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@maier-m maier-m commented Feb 14, 2018

amountOfSubstanceWeightFlux is an unclear unitType
Weight is a force which implies Newtons
Flux implies something per unit area per time
The parentSI for amountOfSubstanceWeightFlux is molesPerKilogramPerSecond
A more appropriate unitType may be amountOfSubstanceMassRate

@jagoldstein
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@jagoldstein jagoldstein commented Feb 15, 2018

I agree that gram is a measure of mass, not weight.

My bigger concern is with some of these SI unitTypes that are listed as Fluxes when they appear to actually be Rates. e.g.: kilogramsPerSecond, tonnesPerYear, and gramsPerYear are all listed as massFlux, but there is no spatial component, so they should likely be 'rates' not 'fluxes'. This is likely a distinct issue from the 'weight' versus 'mass' one, and may merit its own ticket.

@mobb
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@mobb mobb commented Jul 3, 2018

massFlux is now massRate. confirmed children are all rates (not fluxes)

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