Fiven the following data: Blade length I= 52 m 3. air density p= 1.23 kg/m Power coefficient Cp= Cp,max = 0.59 %3D Plot the power output P as a function of wind speed v on the interval [0 m/s, 30 m
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- Given: The plane accelerates in its current trajectory with a= 100 m/s^2 Farag Angle theta= 5° W=105 kips F_drag= 80 kips m= 1000 lbs Find: F_thrust, F_lift Please include the KD. Fthrust Futel t Fueight 000 BY NC SA 2013 Michael SwanbomW:32) Projectile Motion >Find the total time of flight of a ball that is shot from 5 m and has a rim height of 10ft if you are5ft 6 inches tall? >Find the initial velocity and angle of the ball when a 5ft tall boy shots it from a distance of 20ftfrom the ring and have the highest point in 15 ft and the rim is 10ft above the ground? ( m/s )Aircraft B Gross weight 1,600 lb Wing Area 250 ft Maximum thrust 0.011 DO K 0.022 1.45 max Mdr NB 1 mph = 5,280 ft/3,600s = 1 4667 ft/s Aircraft B is a sailplane. Find the maximum-endurance performance and conditions (velocity, glide angle. rate of descent) at 30,000 ft. And calculate the distance (miles) and time (hour) taken to reach sea level under these conditions
- LR = 5m, LG = 2.5m and LC = 1.1m Q2. The Skylark family of sounding rockets consisted of a number of variants (denoted Skylark 5, Skylark 7, and Skylark 12 respectively). These are illustrated on Page 3. The data given below is based on that for the rocket motors they used (all manufactured and named by what was Royal Ordinance – now part of Roxel): Raven XI Motor Total mass: 1280 kg Length = LR See Case Table (units are m) Diameter = 0.44 m Goldfinch IIA Motor Total mass: 420 kg Length = LG See Case Table (units are m) Diameter = 0.44 m Cuckoo IV Motor Total mass: 242 kg Length = LC See Case Table (units are m) Diameter = 0.44 m The payload mass which is additional to the motor masses is to be taken as 100 kg. (a) For the configurations of the three rockets shown on Page 3 in Fig. Q2: (i) Determine the Pitching/Yawing moment of inertia of each rocket about the base of each rocket. (ii) Explain how you could then find the the Pitching/Yawing moment of inertia of each rocket about its…Homework Q1/ A pulley is driven by a flat belt running at a speed of 600 m/min. The coefficient of friction between the pulley and the belt is 0.3 and the angle of lap is 160°. If the maximum tension in the belt is 700 N; find the power transmitted by a belt. [Ans. P= 3.974 kW]1. ! SHOW COMPLETE SOLUTION ! *pls draw FBD *pls use data give properly : rate will be low if not explained properly Problem 1: The pulleys are frictionless and of negligible weight Find: 1.1 Tension (N) in the cord supporting block B. 1.2 Acceleration at Block A (m/s^2) 1.3 Acceleration at Block B (m/s^2) 1.4 Acceleration at Block C (m/s^2)
- Assume that annual energy requirement of an industry is 20000 kWh . DETERMINE size of wind turbine that is required to be installed to meet the energy requirement . Following assumptions are taken into account for estimation Annual energy requirement - 20000 kWh Propeller type wind machine is used . Coefficient of performance -0.40 Wind speed at 15 meter height is 5 meter / sec ( if the turbine hub is placed at the height other than 15 meter , the wind speed should be estimated as shown in " vertical wind speed variation section Density of air - 1 kg / m Capacity factor -0.30A cart weighing 0.5 kg is drawn up a smooth 45° incline by a motor, M, winding up a cable. The force in the cable can be expressed as 5t² N, where t is in seconds. When t = 0, the displacement s = 0 and the initial velocity is 3 m/s. Find the cart's velocity when t = 2 seconds. > Draw a very clear FBD of the cart that you can use to write the equations of motion > Write the equations governing the cart's motion along the incline. Use axes parallel and perpendicular to the incline. Find the velocity requestedUse the provided data wherever you need. (transmitted power 0.050 MW, speed 500 rpm, Modulus of Elasticity 220 GPa, Modulus of Rigidity 70 GPa, Ultimate stress 620 MPa, Compression stress = 240 MPa, Yield stress 440 MPa, Shear stress = 120 MPa, F.S. = 4, Bending moment = 0.5 KN m, diameter of rivet = 10 mm, pitch = 50 mm)). Q1. Design the key that is used to connect a shaft with a hub as shown in figure. 1. If the diameter of the shaft is 60 mm. Check the whole system. Figure 1
- ! Required information The power P generated by a certain windmill design depends upon its diameter D, the air density p, the wind velocity V, the rotation rate 2, and the number of blades n. A model windmill, of diameter 50 cm, develops 2.7 kW at sea level when V= 40 m/s and when rotating at 4800 rev/min. What power will be developed by a geometrically and dynamically similar prototype, of diameter 5 m, in winds of 10 m/s at 2000 m standard altitude? At 2000 m altitude, p = 1.0067 kg/m3. At sea level, p= 1.2255 kg/m3. The power developed is ]KW.Homework Q1/ A pulley is driven by a flat belt running at a speed of 600 m/min. The coefficient of friction between the pulley and the belt is 0.3 and the angle of lap is 160°. If the maximum tension in the belt is 700 N; find the power transmitted by a belt. [Ans. P= 3.974 kW]Data has been gathered from a lifting system used to transport engine parts. The system consists of a drum and cable. The following data was obtained when the drum lowers the load (assume constant acceleration). Drum diameter = 0.8m Mass of load = 3kg Initial velocitv = 0 m/s Time to descend = A secs 2. ( Distance travelled = 0.25m You have been asked to use this information to determine with 4 s.f. accuracy: Drum Cable a) The final linear velocity of the load b) The linear acceleration of the load Load c) The final angular velocity of the drum d) The angular acceleration of the drum e) The tension force in the cable f) The torque applied to the drum In determining the above quantities, you should clearly state the formulae used and apply dimensional analysis techniques to show that all values/units used are homogeneous.