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Notations and AbbreviateAbbreviationDescriptionUnits QVolume flow rate m3sHydraulic diametermHydraulic radiusmPerimetermVelocitymsAream2Reynolds numberdimensionlessStatic pressurePaTotal pressurePaFrication Factor dimensionlessBoundary layermLoss coefficient dimensionlessPower wattMach number dimensionlessHorse power Saudi riyalRevolution per minuteVoltage Volts Frequency HertzList of ConstantsDescriptionAbbreviateValueDensity123 Dynamic viscosity 1848 10-6 Pa-s Kinematic viscosity 158210-6m2sSpeed of sound M3403 msPressureP 1013 kpaGas constantR287 JkgKPlexiglas roughness heights00015Gravity accelerationg981 m2sACKNOWLEDGEMENTThanks to Allah for giving us this opportunity the strength and the patience of undertaking this projectWe are overwhelmed in all gratefulness to acknowledge from our depth to all those who have helped us We are very thankful to our advisor Dr Naseer Ahmed for his valuable help We are also thankful to our families and friends for all their supportsAbstractToday all the global industries of automobile aerospace and building structure depends on the wind tunnels to improve the aerodynamic properties of their products Manufacturing the wind tunnel will help cover this need inside the kingdom The local manufacturers will not only be able to study their current models but will also be able to design their future model in a better wayIn this project the wind teams aim to design and manufacture a subsonic wind tunnel to be used as academic lab equipment The Wind Team will design a subsonic wind tunnel with a suck down type air flow The test section dimensions were selected based on the model size and the required speed Many alternatives have been considered during the design phase and the final selections were based on the purpose and the budget of the projectA comprehensive literature review of other educational wind tunnels has been done In order to build strong knowledge and to identify the market needs Different mechanical engineering fundamentals were applied in the design At the end a complete wind tunnel with variable speed motor and sensors will be designed IntroductionBackgroundAll the fields of transportation space and military today are developed and optimized to its best capabilities possible because of The wind tunnel somehow This invention was
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