Fluid Mechanics 2nd Year Mechanical and Building Services Gerard Nagle Room 387 gerard.nagle@dit.ie Phone Number: 01 402 2904 Office Hours: Wednesday’s‚ 2.00pm to 5.00pm Fluids In every day life‚ we recognise three states of matter‚ Solid‚ Liquids and Gas. Although different in many respects‚ liquids and gases have a common characteristic in which they differ from solids; they are fluids‚ lacking the ability of solids to offer permanent resistance to a deforming force. Fluids flow under the
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Statistical mechanics or statistical thermodynamics[note 1] is a branch of physics that applies probability theory‚ which contains mathematical tools for dealing with large populations‚ to the study of the thermodynamic behavior of systems composed of a large number of particles. Statistical mechanics provides a framework for relating the microscopic properties of individual atoms and molecules to the macroscopic bulk properties of materials that can be observed in everyday life‚ therefore explaining
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Books and Resources • Tom Kibble and Frank Berkshire‚ “Classical Mechanics” • Douglas Gregory‚ “Classical Mechanics” Both of these books are well written and do an excellent job of explaining the fundamentals of classical mechanics. If you’re struggling to understand some of the basic concepts‚ these are both good places to turn. • S. Chandrasekhar‚ “Newton’s Principia (for the common reader)” Want to hear about Newtonian mechanics straight from the horse’s mouth? This is an annotated version of
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Emily Chuang Mechanics of Swimming The crawl‚ also known as freestyle‚ is often regarded as the fastest swimming style. The legs perform a fluttering movement called the flutter kick to propel the body from behind while the elbows take turns moving in a semicircle movement in the swimming direction. One arm relaxes while the other is driven forward. The head is to be kept down in the water when not breathing. To breathe‚ the head turns sideways out of the water and air is to be taken in by the mouth
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Quantum Mechanics ~Three physicists were instrumental: Heisenberg‚ De Broglie‚ and Schrodinger ~Their approach stemmed from De Broglie’s matter wave concept known as "Wave Mechanics" or "Quantum Mechanics" ~ Bohr’s model was inefficient for atoms other than hydrogen or poly-electronic atoms ~ This new approach to a model of the atom focused on the concept of wave functions ~ Since electrons are particles and therefore have wave properties ~ Schrodinger viewed the electron as a standing wave
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FLUID MECHANICS Fluids mechanics is a branch of mechanics that is concerned with properties of gases and liquids. Mechanics is important as all physical activities involves fluid environments‚ be it air‚ water or a combination of both. The type of fluid environment we experience impacts on performance. Flotation The ability to maintain a stationary on the surface of the water- varies from he on person to another. Our body floats on water when forces created by its weight are matched equally
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deviation of traditional American views to ones of a more liberal nature. In “Cathedral” Raymond Carver writes of a man who is addicted to drugs and alcohol‚ which creates psychological distance from the narrator‚ his wife‚ and the blind man. This is caused by the narrators need to escape reality and enjoy a world that is not his own.
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Celestial Mechanics Orbital Maneuvers Earth‚ Moon‚ Mars‚ and Beyond Rodolfo G. Ngilangil Jr. MBA‚ BSAE Impulsive Maneuvers Impulsive maneuvers are those in which brief firings of onboard rocket motors change the magnitude and direction of the velocity vector instantaneously. The position of the spacecraft is considered to be fixed during the maneuvers. This is true for high-thrust rockets with burn times short compared with the coasting of the spacecraft. Orbital Maneuvers - 2 Hohmann
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Sports Mechanics Of Tennis The hitting and subsequent motion of a tennis ball in playing a forehand topspin Abstract The forehand topspin is one of the primary techniques that is utilised in modern day tennis. It has been used to enhance a player’s overall forehand skills that result in the maximising of a players groundstroke power output. This report will analyse the motions the tennis player and tennis ball undergo‚ the forces acting on the player and the ball and lastly‚ the force transformation
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Soil Fundamentals CONTENTS Part 1 Soil Mechanics What Is Soil? ...................................................................page 1 Soil Groups .....................................................................page 1 Grain Size Limits.............................................................page 2 Soil Properties and Characteristics...................................page 2 Soil Analysis ....................................................................page 7 Moisture Content....
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