ME 451 — Behaviour of Real Fluids
BSc BSc Mechanical Engineering · Kwame Nkrumah University of Science and Technology
Objectives Explain the effect of boundary layer formation in the flow of real fluid and analyze the phenomenon with basic equation. Be able to calculate the lift and drag forces exerted by flow over submerged bodies Be able to explain the effect of flow separation on drag forces. Explain compressibility effects, the propagation of elastic waves and Mach number. Derive the equations of stagnation properties of gases. Derive basic equations for steady one-dimensional compressible flow of a perfect gas compressible flow in convergent-divergent passages Derive the basic equation for formation of plane normal shock waves in supersonic flows. Content Flow around Submerged Bodies: Forces on submerged bodies; Force exerted by a flowing fluid on a stationary body; Drag; Lift; Expression for drag and lift; Dimensional analysis of drag and lift; Pressure drag and friction drag; Streamlined body; Bluff body; Drag on a sphere; Drag on a cylinder; Magnus effect; Development of lift on an airfoil; Steady-state of a flying object One Dimensional Compressible Flow in a Duct: Thermodynamic relations; Equation of state; Expansion and compression of perfect gas; basic equations of compressible flow; Continuity equation; Bernoulli's equation; Momentum equations; Velocity of sound or pressure wave in a fluid; Mach number; Propagation of pressure waves (or disturbances) in a compressible fluid; Stagnation properties; Area-velocity relationship for compressible flow; Flow of compressible fluid through orifices and nozzles fitted to a large tank; Mass rate of flow of compressible fluid through venturimeter; Pitot-static tube in a compressible flow. Mode of Delivery The mode of delivery of this course will be blended i.e., in person and online Reading Materialss Bernard Massey: Mechanics of fluids, Chapman Hall, 6 th edition 1994. R.K Bansal: fluid mechanics and hydraulics Machines, Laxmi Publications (P), 2002. W.S Janna: introduction to fluid Mechanics, Wadsworth, Inc., 1983. John D. Anderson: Modern Compressible Flow, McGraw Hill, 2003.
- Credits
- 3
- Level
- Year Four
- Semester
- Semester One
Other courses on this programme
- ME 452 — Fluid Machinery
- ME 453 — Hydraulics and Pneumatics
- ME 455 — Strength of Materials III
- ME 464 — Instrumentation
- ME 465 — Air Conditioning and Refrigeration
- ME 471 — Machine Tools Design
- ME 472 — Machine Shop and Factory Design
- ME 473 — Computer Aided Design and Manufacturing
- ME 474 — Production Planning and Control
- ME 482 — Engineering Materials Processing
- ME 487 — Vehicle Power Train Systems
- ME 491 — Engineering Economy and Management
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