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Results tagged with pressure
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user 5114
This tag is for questions relating to pressure, in the physical sciences, the perpendicular force per unit area, or the stress at a point within a confined fluid.
2
votes
2
answers
18k
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Pressure at a given altitude?
I am trying to find out the pressure at a given altitude but have been disappointed to find the following equation does not work at all: (h = height in meters)
Where
sea level standard atmospheric … pressure p0 = 101325 Pa
sea level standard temperature T0 = 288.15 K
Earth-surface gravitational acceleration g = 9.80665 m/s2.
temperature lapse rate L = 0.0065 K/m
universal gas constant R = 8.31447 …
- 271
2
votes
1
answer
548
views
How to calculate pressure at altitude when there is 0 temperature lapse?
To calculate pressure at a given altitude, the following formula is used:
$p = p_0 \cdot \left(1 - \frac{L \cdot h}{T_0} \right)^\frac{g \cdot M}{R \cdot L}$
(the values can be found here)
This formula …
- 271