(a) Air is flowing Over a flat plate of 5 m long and 2.5 m Wide with a velocity of $4 \mathrm{~m} / \mathrm{s}$ at $15^{\circ} \mathrm{C}$. If $\rho=1.208 \mathrm{~kg} / \mathrm{m}^{3}$ and kinematic Viscosity $=1.47 \times 10^{-5} \mathrm{~m}^{2} / \mathrm{s}$, Calculate (i) length of plate Over which the boundary layer is laminar, and thickness of the boundary layer (Laminar) (ii) Shear stress at the location where the boundary layer ceases to be laminar and (iii) total drag force on the both sides on that Portion of plate where boundary layer is laminar.
Explanation
The length of the plate over which the boundary layer is laminar can be found using the Reynolds number. The thickness of the boundary layer can be found using the Blasius solution. The shear stress at the location where the boundary layer ceases to be laminar can be found using the Blasius solution. The total drag force on the both sides of the plate can be found using the drag equation.
⬆ Related Topic
📘 Syllabus
View KERALA UNIVERSITY Class 6 Syllabus →
📝 Practice Questions
Practice Previous Year Questions →
🤖 Practice with AI
Generate Practice Question Paper →
📚 Related Concepts
- (a) List down any four key characteristics of Light Rail Transit System (LRT).
- (a) Explain the factors involved in the selection of good alignment for a railway line. Illustrate with necessary sketch
- (a) Explain the functions of rails and various types of rails in use.
- (a) What is negative super elevation? A $1^{\circ}$ curve track diverges from a main curve of $3^{\circ}$ in the opposit
- (a) Why is widening of gauge required on sharp curves? Determine the extent of gauge widening required for a broad gauge