MODEL QUESTION PAPER B.E. Aeronautical Engineering Semester : V AE333 - AIRCRAFT PERFORMANCE Time 3 Hours Answer all the questions PART- A (10 x 2 = 20 Marks) 1. For a bluff body skin friction drag is more than pressure drag. True/ false. Justify your answer. 2. Two identical airfoils are kept in identical flow conditions. The surface of one Airfoil is relatively more rough. This airfoil will have higher stalling angle than the other. True/ False. 3. 4. 5. Justify your answer. Maximum Marks : 100
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com/guides/make-a-simple-paper-airplane-that-flies-great http://www.instructables.com/id/No‚-this-is-the-absolute-greatest-and-easiest-to-m/ http://www.bestpaperairplanes.com/deltry1.html http://www.amazingpaperairplanes.com/Simple.html 4 Principles of Flight Lift Lift is the force that directly opposes the weight of an airplane and holds the airplane in the air. Weight Weight is the force generated by the gravity attraction of the earth on the airplane. Thrust Thrust is the force that pulls the airplane
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CITY LIFT LTD Page | 1 Manpower Plannning & Forecasting MGT: 425 Section: 1 Plagiarism Oath Plagiarism is the process of taking someone else’s work and passing it off as your own. Any direct quotes should be put in quotation marks. All resources should be cited using the phrases “information gathered from…” or “source…” followed by the URL from which the information was obtained. All writing should be in my own words unless I have placed it in quotation marks and cited it correctly. All
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built from different materials. In general‚ there are four aerodynamic forces that act on the paper aircraft while it is in flight: • Thrust‚ which keeps the plane moving forward; • Aerodynamic lift‚ acting on horizontal surface areas that lifts the plane upward; • Gravity‚ which counteracts lift and pulls the plane downward; and • Air drag‚ which counteracts thrust and reduces the plane’s forward speed. Altogether‚ the aerodynamic forces co-interact‚ creating turbulence that amplifies small
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aerofoils……………………………………………………………………...11 Limitations and Improvements 12 Appendix 13 References 14 Introduction For any object travelling through a fluid such as air‚ a pressure distribution over all of its surface exists which helps generate the necessary lift. Lift is an aerodynamic force which is perpendicular to the direction of the aerofoil. Transonic speeds result in the formation of shockwaves over the top surface of the aerofoil. This is due to accelerated flow over the surface region. We say this region
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Different cars have different aerodynamic shapes to best suit their purpose. Regular cars usually have a shape to produce less drag‚ racecars however have a shape to help create negative lift on their bodies. Hucho‚ W.‚ & Sovran‚ G. (n.d.). AERODYNAMICS OF ROAD VEHICLES. Retrieved May 18‚ 2017‚ from http://www.academia.edu/9462450/AERODYNAMICS_OF_ROAD_VEHICLES Aerodynamic drag is made of two forces: the force of air pressure drag‚ and
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aircraft) An aircraft that has elevons (combined ailerons and elevators) e.g.‚ Concorde is governed by slightly different equations. The effect of the tab angle is usually ignored as most tailless aircraft have powered controls and so no tabs. The lift equation therefore becomes Moments about the cg give us: For TRIM‚ the elevon angle to trim is [pic] For STABILITY it is clear that the aerodynamic centre is also the neutral point for a tailless aircraft (hn = h0 and Kn = h0-h)
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ASCI 310: Aircraft Performance Research Project Objectives One of the requirements for this course is an Aircraft Performance Research Project that entails planning a flight from Denver International Airport (KDEN) to Chicago O’Hare International Airport (KORD) for a given aircraft‚ weather conditions‚ and assumptions. The objective is to apply what has been learned throughout this course. Drawing on aeronautics theory and using the performance charts and equations presented in the course‚
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CFD PROJECT REPORT Submitted by Sai Yashwanth M IMPACT OF AERODYNAMICS ON AUTOMOBILES INTRODUCTION Aerodynamic forces are caused by the relative motion of automobiles with air and they cause: Drag (resistance to forward motion) Lift / down force (come into play during cornering and acceleration) Lateral forces (comes into play during cornering) Moments in roll‚ pitch and yaw As a result these factors have to be taken into consideration during automobile design. THEORY BEHIND AERODYNAMIC
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expanded definition of a Hoyer Lift. What is a Hoyer Llift you ask? A Hoyer Lift is a piece of equipment that is used to aide a person getting from one spot to another‚ for example a person from bed to a wheelchair. To properly use a Hoyer Lift‚ a nurse aid would get the sling that would properly fit for the person that is in need to be transferred. Once the aid has the sling‚ he or she will put the sling around the person attaching the straps to the knobs on the Hoyer Lift. Once the aid makes sure that
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