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Search took 0.00 seconds. Search: Posts Made By: StuM
Forum: Auxiliary Equipment & Dinghy 03-10-2021, 23:21
Replies: 45
Views: 5,749
Posted By StuM
Re: Dinghy Pressure due to temp?

Or to put it more accurately:
Temperature is not measured in "degrees Kelvin".
The unit name is a Kelvin. 0°C = 273.15K ( not 273.15°K)
Kelvin is the basic SI unit of temperature
...
Forum: Auxiliary Equipment & Dinghy 28-06-2021, 22:09
Replies: 45
Views: 5,749
Posted By StuM
Re: Dinghy Pressure due to temp?

If you think that the 3000PSI tensile strength of hypalon or the expansion of a thin party ballon has any relevance to the behaviour under low pressure (up to 10PSI) of a thick tube made of hypalon...
Forum: Auxiliary Equipment & Dinghy 28-06-2021, 21:44
Replies: 45
Views: 5,749
Posted By StuM
Re: Dinghy Pressure due to temp?

See Posts #7. More like 5.0 @ 115°F :biggrin:
Pressure @ 115°F = (18.2 * 319.261 /294.261 - 14.7 = 5.046
Forum: Auxiliary Equipment & Dinghy 28-06-2021, 15:17
Replies: 45
Views: 5,749
Posted By StuM
Re: Dinghy Pressure due to temp?

Why a smack in the face? Anyone who understood what Boyle,Charles ad Gay-Lussac were saying knew that volume is one factor of those gas laws and than the changing volume of an expandable container...
Forum: Auxiliary Equipment & Dinghy 21-06-2021, 20:06
Replies: 45
Views: 5,749
Posted By StuM
Re: Dinghy Pressure due to temp?

Not a major problem when the water termperature is around 28°C :)
Forum: Auxiliary Equipment & Dinghy 21-06-2021, 19:23
Replies: 45
Views: 5,749
Posted By StuM
Re: Dinghy Pressure due to temp?

OMG, do people still use °R ? :biggrin:
Forum: Auxiliary Equipment & Dinghy 21-06-2021, 19:17
Replies: 45
Views: 5,749
Posted By StuM
Re: Dinghy Pressure due to temp?

Gas Laws still apply regardless of what gas it is filled with :(
Forum: Auxiliary Equipment & Dinghy 21-06-2021, 18:35
Replies: 45
Views: 5,749
Posted By StuM
Re: Dinghy Pressure due to temp?

Gay-Lussac's Law actually :)
Forum: Auxiliary Equipment & Dinghy 21-06-2021, 18:26
Replies: 45
Views: 5,749
Posted By StuM
Re: Dinghy Pressure due to temp?

FIFY :)
Why? :biggrin:
3.5 * 319.3 / 294.3 = 3.8


However, you are ignoring atmospheric pressure. 3.5 PSI in the tube is an absolute pressure of 18.2 PSI.

(3.5 + 14.7) * 319.3 /294.3 =...
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