Compressible Flow and Propulsion1. Determine the speed of sound in Argon at 120 °C. Molecular weight of Argon = 40 kg/kmoland y= 1.667. (Ro = 8314.5 J/kmol K)%3D[Ans. 369 m/s]2. Calculate the Mach number corresponding to the following speeds at an amtemperature of 15 °C. Rair = 287 J kg*K, 1 mph = 0.447 ms?.ent(a) National speed limit of 70 mph [Ans. 0.09](b) A top speed of 230 mph attained by a Formula driver. [Ans. 0.3]3. Calculate the speed of an aircraft cruising in 20°C air where the angle of the zone of silence isa. 10° to the direction of travel. [1946ms)b. 20° to the direction of travel. [943ms]c. 80° to the direction of travel. [60ms]d. What is the maximum expected angle for M = 1?4. Calculate the speed of sound during the flight of an aircraft for the two conditions(a) when it is at a cruising altitude of 10,000 m and the outside temperature is-60 °C.(b) when it lands in a desert city at a temperature of 45 °C(c) If the Mach number during cruising condition in (a) was 0.85, what was the velocity inmph?(Ans (a) 292.5 m/s (b) 357.5 m/s (c) 556.2 mph ]

As per our guidelines we are supposed to solve only one question if multiple questions are asked .…

Answered: 1. Determine the speed of sound in…

1. Determine the speed of sound in Argon at 120 °C. Molecular weight of Argon = 40 kg/kmol and y= 1.667. (Ro =8314.5 J/kmol K) %3! %3D [Ans. 369 m/s]

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.

Question

Compressible Flow and Propulsion
1. Determine the speed of sound in Argon at 120 °C. Molecular weight of Argon = 40 kg/kmol
and y= 1.667. (Ro = 8314.5 J/kmol K)
%3D
[Ans. 369 m/s]
2. Calculate the Mach number corresponding to the following speeds at an am
temperature of 15 °C. Rair = 287 J kg*K, 1 mph = 0.447 ms?.
ent
(a) National speed limit of 70 mph [Ans. 0.09]
(b) A top speed of 230 mph attained by a Formula driver. [Ans. 0.3]
3. Calculate the speed of an aircraft cruising in 20°C air where the angle of the zone of silence is
a. 10° to the direction of travel. [1946ms)
b. 20° to the direction of travel. [943ms]
c. 80° to the direction of travel. [60ms]
d. What is the maximum expected angle for M = 1?
4. Calculate the speed of sound during the flight of an aircraft for the two conditions
(a) when it is at a cruising altitude of 10,000 m and the outside temperature is-60 °C.
(b) when it lands in a desert city at a temperature of 45 °C
(c) If the Mach number during cruising condition in (a) was 0.85, what was the velocity in
mph?
(Ans (a) 292.5 m/s (b) 357.5 m/s (c) 556.2 mph ]

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