Fluid mechanics
Conditions d’achèvement
Fluid Mechanics (Mécanique des fluides) - Semester 3
Welcome to the Fluid Mechanics course! This course is designed for preparatory class students (Civil Engineering / Public Works) at the ENSTP. It covers the fundamental concepts of fluids at rest and in motion, with a strong emphasis on engineering applications in civil engineering and hydraulic structures.
Course structure (45 hours) :
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Chapter 1 - Fluid Statics : fluid properties, pressure, hydrostatic forces on plane and curved surfaces, Archimedes' principle and buoyancy
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Chapter 2 - Fluid Kinematics : Lagrangian and Eulerian descriptions, flow classification, continuity equation
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Chapter 3 - Dynamics of Ideal Fluids : Euler's equation, Bernoulli's theorem, Venturi meter, Pitot tube, momentum equation
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Chapter 4 - Dynamics of Real Fluids : viscosity, Reynolds number, head losses, Moody diagram, cavitation
For each unit you will find : lecture slides, detailed course notes with worked examples, tutorial exercises (TD), online quizzes, and additional resources.
Assessment : continuous assessment based on the course grade (attendance 30%, online quizzes 20%, written exam 50%) and the TD grade (written test 60%, participation/homework 40%).
📧 Instructor : Dr. Hamza KELLOU - h.kellou@enstp.edu.dz 🕗 Office hours : Saturdays, 08:00-12:00, Teachers' Room
📘 Chapter 1: Fluid Statics (9h Lectures + 9h Tutorials)
Section description:
This chapter introduces the fundamental concepts: fluid properties (density, specific weight, viscosity), pressure (absolute, gauge, atmospheric), the fundamental principle of fluid statics, hydrostatic forces on plane and curved surfaces, Archimedes' principle and floating-body stability.
📄 Learning objectives: by the end of this chapter, you will be able to calculate the pressure at a point in a fluid at rest, determine the resultant force on a submerged surface, and analyze the equilibrium of a floating body.
Activities:
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📝 Online Quiz #1 - 10 questions (definitions, pressure calculation, hydrostatic forces) - graded out of 10, 2 attempts
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✏️ Assignment (Tutorial) - Exercise set: tank, vertical rectangular gate, inclined gate, buoyancy
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💬 Forum "Chapter 1 Questions" - for student questions and discussions with the instructor
📗Chapter 2: Fluid Kinematics (4h30 Lectures + 4h30 Tutorials)
Section description:
This chapter describes fluid motion without considering forces: Lagrangian and Eulerian descriptions, streamlines/pathlines/streaklines, flow classification (steady/unsteady, uniform/non-uniform, laminar/turbulent), flow rate and the continuity equation.
📄 Learning Objectives: describe a velocity field, compute a discharge, apply the continuity equation to pipes with contractions.
Activities:
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📝 Online Quiz #2 - continuity, flow rates, flow classification
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✏️ Assignment (Tutorial) - continuity exercises (circular pipes, contractions)
📙Chapter 3: Dynamics of Ideal Fluids (3h Lectures + 3h Tutorials)
Section description:
This chapter establishes the fundamental equations of ideal fluids: Euler's equation, Bernoulli's theorem, applications (tank discharge — Torricelli, Venturi meter, Pitot tube) and the linear momentum theorem (force of a jet on a plate, pipe bends).
📄 Learning Objectives: apply Bernoulli between two sections, size a Venturi meter, compute forces using the momentum equation.
Activities:
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📝 Online Quiz #3 — Bernoulli and applications
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✏️ Assignment (Tutorial) — Venturi, Pitot tube, jet on a flat plate
📕Chapter 4: Dynamics of Real Fluids (6h Lectures + 6h Tutorials)
Section description:
This chapter deals with real (viscous) fluids: Newton's law of viscosity, Reynolds number and flow regimes, Poiseuille's law, head losses (Darcy–Weisbach, minor losses), Moody diagram, generalized Bernoulli equation (pumps, turbines) and cavitation.
📄 Learning Objectives: determine the flow regime, compute head losses in a pipe system, check cavitation conditions.
Activities:
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📝 Online Quiz #4 — Reynolds number, head losses, Moody diagram
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✏️ Assignment (Tutorial) — head loss calculation for a pumping system
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🎯 Final test — comprehensive exam (20 marks, 90 min)
Modifié le: mardi 20 octobre 2026, 20:24