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    1- Summary This study is based on the analysis of pressure distribution around a NACA 23015 airfoil section with a flap of length equal to the 30% of the cord at different angles of incidence and flap settings. The experiment was performed in a non –return wind tunnel at a Reynolds number of 4.4×〖10〗^5 and at a Mach number of 0.073. It is of note that increasing incidence will increase lift produced until the critical angle of attack, where the airfoil stalls; moreover, deploying a flap will increase the maximum lift produced, but will produce drag and cause an early stall. 2-Introduction The aim of this experiment is to investigate how the pressure difference about the upper and lower surface of an airfoil can affect its aerodynamic performances…

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    Aerofoil Essay

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    and Yousefi and Saleh investigated the effects of suction and blowing jet width on the aerodynamic characteristics of a NACA 0012 airfoil. They found that the jet width of about 3.5% ~ 4% of the chord length is optimum for tangential blowing, while for perpendicular blowing smaller jet widths are more efficient. 2.2 Control of flow around a NACA 0012 airfoil with a micro-riblet film by S.-J. Lee , Y.-G. Jang In the present study they studied about the flow structure of the wake behind a…

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    Essay For Radiotherapy

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    I joined Professor Dr. Md. Mashud’s CFD group and started developing my skill on the application of ANSYS Fluent and OpenFOAM as simulation tools. Finally, I decided to use ANSYS Fluent for my research work on “Numerical Study of Flow Past a Marine Rudder”. During my research, I faced the problem with the stall angle at around 16 degree angle of attack of the flow. At this angle of attack of the flow, the increase of lift force on NACA 0012 airfoil section stopped suddenly and after that, lift…

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    an airplane wing affect the average rate of descent of the plane while gliding? So, the thing that is being tested is if the angle of an airplane wing, which determines the average rate of descent. In this experiment, the average rate of descent will be found by dividing the distance the plane traveled by the time it took the plane to land. First, how planes fly needs to be understood. Airplanes fly because the wings cause lift. The lift of the wing has to be greater than the amount of gravity…

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    issues associated with asymmetric sweep that make unstable flight unavoidable. A smaller, stable radio controlled model was constructed to identify issues that were important to understand the second, larger demonstrator. This vehicle used a computer control system to augment the pilot and allow the inherently unstable vehicle to be flown successfully. …

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    Aircraft Propulsion Essay

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    Introduction To understand aircraft propulsion it is important to understand the term propulsion first. Propulsion is a means of producing force required for movement of object. The propulsion system has some source of mechanical power and some means of using this power to generate force such as wheels, propellers, legs, etc. Nobody can precisely tell the origin of mankind’s desire to fly as it is lost in the distant past. There are legends of people strapping birdlike wings and jumping of a…

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    Monarch Butterfly

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    Differences in thermoregulation patterns observed in the Monarch Butterfly, Danaus plexippus Many Lepidoptera species thermo-regulate using several patterns, physical and behavioral. These patterns are usually observed as movements from the shade and cooler areas to a place exposed to the sun as well as utilizing mechanical flight to generate heat. However, some species have intermediate behavioral patterns, often a mixture of basking and heat production, also known as endothermy (Kingsolver…

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    Conic Sections Case Study

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    Degenerate Cases of Conic Sections: Conics are formed when a plane and a double cone intersect. These intersections can form a variety of conics. These include: circles, parabolas, ellipses and hyperbolas. A circle can be formed from a cone if a plane intersects with the cone at an angle perpendicular to the base of the cone. This circle is also formed by the equation: (x-h)2+ (y-k)2=r2. This equation creates a relation because the collection of points does not pass the vertical line test. To…

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    Forged Rib Essay

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    Minimum weight design of a wing box subjected to bending Abstract: Aircraft wing is one of the best examples of an efficient structural design. A variety of structural arrangements are possible to satisfy design goals. The endeavour is always to arrive at a minimum weight of a wing structure for a given set of design conditions. The main load carrying structure of a wing is the torsion box formed by front spar, rear spar, and top spar & bottom skins. In the preliminary design stages an…

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    Kishan Patel Section: 008 Pattern: Falling velocity and the dispersal ability of a glider seed varies with its surface area. • Hypothesis 1: Increase in surface area of the seeds decreases their falling velocity, due to greater air resistance o Prediction: Seeds with the higher surface area will have a decreased falling velocity. o Reasoning: The greater the surface area of a seed, the more air resistance it experiences and thereby slowing its fall.  Analytical Approach: scatterplot,…

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