2.6 | Orbital Flight: Speed & Direction | Rocket Science for Everyone with Yale’s Marla Geha
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YouTubeYaleCourses
2.6 | Orbital Flight: Speed & Direction | Rocket Science for Everyone with Yale’s Marla Geha
Have you ever wondered what it truly takes to get a satellite to stay in space? In this lesson, we move beyond where satellites orbit to the crucial question of how they achieve and maintain that incredible feat. We’ll explore the immense speeds required and the precise maneuvers rockets perform to counteract Earth's relentless gravitational ...
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Boundary layer Turbulence
Explain and interpret the following: (a) Air pollution is often trapped within the boundary layer. (b) Clear-air turbulence (CAT) experienced by airplane passengers is widespread, but usually not very strong in the boundary layer. It tends to be more sporadic and also more intense near the tropopause. (c) Air within the free troposphere exhibits only a small diurnal temperature range. (d) Boundary layers over deserts are often much deeper than over vegetated terrain. (e) The warmest and highest-
Explain and interpret the following: (a) Air pollution is often trapped within the boundary layer. (b) Clear-air turbulence (CAT) experienced by airplane passengers is widespread, but usually not very strong in the boundary layer. It tends to be more sporadic and also more intense near the tropopause. (c) Air within the free troposphere exhibits only a small diurnal temperature range. (d) Boundary layers over deserts are often much deeper than over vegetated terrain. (e) The warmest and highest-
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Returning to the conditions of Problem 5.34, where the boundary layer was assumed to be fully turbulent, let us now consider the real situation where the boundary layer starts out as laminar, and then makes a transition to turbulent somewhere downstream of the leading edge. Assume a transition Reynolds number of 500,000 . For this case, calculate the percentage of drag that is due to flow separation (form drag). | Numerade
Returning to the conditions of Problem 5.34, where the boundary layer was assumed to be fully turbulent, let us now consider the real situation where the boundary layer starts out as laminar, and then makes a transition to turbulent somewhere downstream of the leading edge. Assume a transition Reynolds number of 500,000 . For this case, calculate the percentage of drag that is due to flow separation (form drag). | Numerade
numerade.com
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11.5: A Day in the Life of the Boundary Layer
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