Air is drawn into a small open-circuit wind tunnel as shown in Fig. 3. Atmospheric pressure is 120.2 kPa (abs) and the temperature is 27°C. If viscous effects are negligible, determine: (a) The pressure at the stagnation point on the nose of the airplane. (b) The manometer reading, h, for the manometer attached to the static pressure tap within the test section of the wind tunnel if the air velocity within the test section is 75 m/s. Test Inlet nozzle section -Diffuser- Fan 73) Inlet Water
Air is drawn into a small open-circuit wind tunnel as shown in Fig. 3. Atmospheric pressure is 120.2 kPa (abs) and the temperature is 27°C. If viscous effects are negligible, determine: (a) The pressure at the stagnation point on the nose of the airplane. (b) The manometer reading, h, for the manometer attached to the static pressure tap within the test section of the wind tunnel if the air velocity within the test section is 75 m/s. Test Inlet nozzle section -Diffuser- Fan 73) Inlet Water
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Question
1. If the pressure in point 4 is p4 = -90.63 lb/ft^2 (gage), what would be the speed of the air at point 4
2. Compare the pressures at point 3 and 4

Transcribed Image Text:Air is drawn into a small open-circuit wind tunnel as shown in Fig. 3. Atmospheric pressure is
120.2 kPa (abs) and the temperature is 27°C. If viscous effects are negligible, determine:
(a) The pressure at the stagnation point on the nose of the airplane.
(b) The manometer reading, h, for the manometer attached to the static pressure tap within the
test section of the wind tunnel if the air velocity within the test section is 75 m/s.
Test
Inlet nozzle section
-Diffuser-
Fan
73)
Inlet
-Water
Fig. 3- Wind Tunnel
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