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1976 Standard Atmosphere Graphs

Complete standard atmosphere graphs:
Graph all properties in multiple units

Introducion

Interactive Graphs to Visualize and Compare
All Standard Atmosphere Properties

Welcome to our interactive visualization tool for the U.S. Standard Atmosphere, 1976 (ISA). While our calculator provides the raw numbers, this page lets you graphically explore the relationships between all standard atmospheric properties as they change with altitude. Our unique interface allows you to plot up to three different properties simultaneously on a single chart, making it easy to compare how variables like temperature, pressure, and density interact. You can also instantly switch between multiple metric (SI) and U.S. customary units for each property being graphed. This is an ideal resource for pilots, engineers, and students who need to visualize the complete 1976 standard atmospheric model.
For all standard atmosphere properties in numerical form, please visit our Standard Atmosphere Calculator page.

Standard Atmosphere
Graphs
(0-86 km)

Graph

[埋込みオブジェクト:flash/STDAtmF.swf]

Instructions

Select the desired property from the pulldown menu for the desired graph, and select the desired unit. The Z scale units can also be chosen using the small box on the left of the axis. If you wish to compare properties against each other enable Graph 2, and/or Graph 3. When choosing more than one graph the grid is turned off to avoid clutter.168 graphs! 27 properties can be graphed against Geometric Altitude. Different units can be chosen for the graphs. This is the equivalent of having 168 graphs for standard atmosphere.

References

U.S. Standard Atmosphere 1976, U.S. Government Printing Office, Washington, D.C., 1976

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[埋込みオブジェクト:flash/Clock3UTC24hr.swf]
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Units and Abbreviations

Length or Distance

m - meters
ft - feet
in - inches
sm - statute miles

Temperature

oF - degrees Fahrenheit
oC - degrees Celsius
oR - degrees Rankine
K - Kelvin

Weight and Mass

lbs - pounds
slug - slug
kg - kilogram

Ammount of Molecules

kmol - kilomole
lbmol - pound-mole

Force

N - Newtrons
lbf - pound-force

Pressure

InHg - Inches of Mercury
Pa - Pascal
N/m2 - Newtrons per square meter
hPa - hectopascal
mmHg - milimeters of mercury
lbf /ft2 - pounds of force per square feet
lbf /in2 - pounds of force per square inch
torr - torr (Torricelli)
mbar - milibar(s)

Speed

knots or kts- knots (Nm/h)
ft/s - feet per second
m/s - meters per second
km/h - kilometers per hour
sm/h - statute miles per hour

Time

h or hr(s) - hour(s)
m or min(s) - minute(s)
s or sec(s) - second(s)

Power

W - Watt

Energy

BTU - British Thermal Units
By Luiz Roberto Monteiro de Oliveira. Screenshots and video captures allowed (personal, business or military)
as long as credited to author and link to this site or URL included. Permission required for all other uses.

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