ESDU 78017: True airspeed in the International Standard Atmosphere and equivalent airspeed corresponding to Mach number and pressure altitude.

Abstract:

ESDU 78017 gives graphs showing the variation of true airspeed in m/s with equivalent airspeed in m/s, pressure altitudes in m and Mach number, and the variation of true airspeed in knots with equivalent airspeed in knots, pressure altitudes in feet and Mach number, both in an International Standard Atmosphere. The graphs complement those in ESDU 69026 which includes data on the variation of calibrated airspeed.

Indexed under:

Details:

Data Item ESDU 78017
Format:	PDF with software with interactive graphs
Status:	Original, issued 01 Jul 1978 Published in Release 2000-03 (init)
Previous Releases:	None available
ISBN:	978 0 85679 219 9

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This Data Item is complemented by the following software:

Toolbox Apps

Name

Details

ISA Toolbox Run

Title	International Standard Atmosphere app
Version	1.1
Details	The app evaluates, at a given pressure altitude, pressure, temperature and density (and their corresponding relative values) together with the absolute values of the speed of sound, kinematic and dynamic viscosity and thermal conductivity. It also determines V_TAS, V_EAS, kinetic pressure and unit Reynolds number for a specified Mach number at the given pressure altitude. Calculations are limited to the troposphere and stratosphere in the ISA.

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This Data Item contains 6 interactive graph(s) as listed below.

Graph	Title
Figure 1a - Part 1
Figure 1a - Part 2
Figure 1b
Figure 2a - Part 1
Figure 2a - Part 2
Figure 2b