filmeu

Class Fluid Mechanics

  • Presentation

    Presentation

    The scope of Fluid Mechanics is wide (Earth's surface enveloped by air and water) finding applications in traditional areas of engineering (mechanical, chemical, civl) and others such as energy and environment, aerospace, bioengineering. Practical applications involving the analysis and design of systems that require a good understanding of fluid mechanics: aerodynamics (aeronautics and aerospace, automotive), distribution networks (water, oil, natural gas), air conditioning and ventilation, biomedical engineering ( breathing and blood circulation), biomechanics, sports, etc.

    It the scope of a 1st cycle on Environmental engineering, is intended that the student will reinforce basic knowledge about static and dynamic of fluids and main theoretical approachs. This is relevant to develop knowledge in other specific ucs related to hydraulics and other processes in the scope of environmental engineering

  • Code

    Code

    ULHT39-946
  • Syllabus

    Syllabus

    Syllabus

    Introduction and Fundamental Concepts

    • Introduction to fluids and their properties; Characteristic lines for fluids, mass flow rate and volume flow rate; thermodynamic properties of a fluid

    • Review on fluid properties: Viscosity, surface tension, velocity fields, temperature and density fields. Viscous flow between parallel plates¿ 
    • Pressure and fluid hydrostatics: Impulsion
    • Relevant Differential equations to fluids

      • Equation of continuity

      • Euler equation, statics and hydrodynamics under steady state conditions, Bernoulli equation

    • Integral Approach for a Control Volume
      • conservation of mass

      • conservation of linear momentum

      • conservation of energy

    • Introduction to Differential Analysis of Fluid Flow

      • Acceleration, Euler equation

      • Differential equation of conservation of mass

      • Linear momentum differential equation, Navier Stokes equation

      • Differential equation for energy conservation

    • Dimensional Parameters and Similarity
  • Objectives

    Objectives

    The main objetiv of this uc is an introdutory approach to environmental and hydraulic fluid mechanics. Specific topics are addressed:

    • Understand the fundamental concepts of fluid mechanics
    • Analyze fluid behavior at rest and flow
    • Apply dimensional analysis to engineering problem analysis
    • Know methods and instruments of measurement in Fluid Mechanics, namely pressure, velocity and flow
    • Analyze and solve Fluid Mechanics problems in Aerospace Engineering

    The student should be able to

    • Characterize fluids from their properties
    • Calculate pressure forces on immersed surfaces
    • Apply Bernoulli's equation to ideal flows and understand its limitations
    • Measure pressure, velocity and flow
    • Determine forces in flows (conservation of momentum)
    • Solve modeling and experimentation issues based on similarity laws
    • Calculate the power of turbines, pumps and fans
    • Calculate pressure drop and size fluid transport facilities
    • Determine drag and lift forces
  • Teaching methodologies and assessment

    Teaching methodologies and assessment

    During theoretical classes, in addition to the fundamental concepts and relationships discussed in each chapter, some "Case Questions" are analyzed using real systems and focusing the attention on solving problemas methodologies and using practical issues related to the concepts or relationships discussed. In the lectures that end each chapter or sub-chapter, students are challenged to answer a conceptual quiz, focused on the understanding of the basic concepts. Regarding the practical application and mastery of the problem-solving process, students are challenged to solve in class a known set of proposed exercises and those not solved in class due to different execution speeds of the students, can be solved outside classes  and submitted for correction. At the beginning of the semester, students will be divided into groups to reasearch about a laboratory project. This work is developed during all semester, integrating the knowledge that is being taught

  • References

    References

    • White, F.M. (2016).  Fluid Mechanics (8th Ed.). McGraw-Hill. ISBN 978-0-07-339827-3
    • Çengel, Y.A., Cimbala, J.M. (2014). Fluid Mechanics - Fundamentals and applications (3rd ed.). McGraw-Hill. ISBN: 978-0-07-338032-2
    • Fox, R.W., McDonald, A.T., Pritchard, P.J. (2014). Introdução à Mecânica dos Fluidos (8ª Ed.). LTC Editora.
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