Estimate the amount of power generated by a wind turbine having a powercoefficient of 0.37 given the annual average wind speed:Rotor diameter = 125 mCenter of rotor at an elevation 160 m above the surface level.Location: Oklahoma City, OK
Q: A boiler feed pump operates at 40oC suction. If pump efficiency is 85% and needs 20 kW power of…
A:
Q: An opaque, diffuse, gray, square (200 mm x 200 mm) plate with an emissivity of 0.8 is placed over…
A:
Q: A turbojet engine with a convergent divergent nozzle expands the flow such that Po = 0.8 Pg The…
A: The Mach number, The value of The value of The value of The value of temperature,
Q: Pravinbhai
A: The objective of this question is to determine the shortest time it takes for the car to reach a…
Q: 2) (30 PTS.) The coefficient of friction between the 100 kg block and ramp is 0.2 and the force vs.…
A:
Q: A chemical's label must include all of the following information except: PPE required when using the…
A: The label on a chemical container plays a crucial role in conveying essential information to users…
Q: A schematic of the flow pr around the vehicle is shown. To optimize the design of the top of the…
A:
Q: When they go to calculate both the normal stress of the bolt and the shear stress for the supporting…
A: Step 1:Step 2: Step 3: Step 4:
Q: Calculate the forces in members CF, CG, and EF of the loaded truss. Ans. CF 1538 lb C, CG 4170 lb T,…
A:
Q: Pravinbhai
A: The objective of the question is to determine the tensions in cables AB and AD. The tension in cable…
Q: Pravinbhai
A: Step 1:Given data :F=5 lbfV3=0.75 inV5=0.25 inV2=5 in Step 2:Moment acting on the right of…
Q: The 4.5 Mg truck shown below collides with the 1.75 Mg car. After the collision, they move forward…
A:
Q: 5) A stainless steel spherical container, with k=15 W/m.K is used for storing chemicals undergoing…
A: To solve this problem, we need to apply the principles of heat transfer in a spherical shell. We…
Q: PROBLEM 2: Two blocks shown are connected by a cord and rests on horizontal planes. If the…
A:
Q: solve not using energy method .. use sum of forces, torques (dynamics way) to solve
A: Approach to solving the question: Detailed explanation: Examples: Key references:
Q: Object A, mass 12 kg, is attached to a pulley with mass 15 kg and a radius of 0.25 m. The pulley is…
A: To solve this problem, we need to consider the conservation of energy and torque equilibrium. First,…
Q: Figure Q2 shows 8 cylinders Radial engine with their connecting rods are coupled to a single crank.…
A: Mass of reciprocating parts per cylinder is 1.2 kg.Engine running at ()=1800 rpm =length of…
Q: This thin sheet of rectangular parallelepiped receives four forces as shown. Find the…
A: Step 1: Step 2: Step 3: Step 4:
Q: Having trouble understanding how to apply the trapezoidal rule here; any help would be appreciated!
A: The trapezoidal rule is a numerical integration method used to approximate the definite integral of…
Q: Q1: (Planar mechanism) For the planar mechanism of figure below, link 4 serves as slider support…
A: Given: The length of the link The length of link The length of the link The length of the link The…
Q: Solve this mechanical engineering problem
A:
Q: Q1: (Planar mechanism) For the planar mechanism of figure below link 4 serves as slider support…
A: Given data 1. length of link 2 = 3cm2. length of link 5 = 7cm3. length of link AB = 6cm4. length…
Q: R1 ww 11) Consider the following circuit. An ammeter with internal resistance Ri is inserted between…
A: Step 1:Step 2:Step 3:Step 4: Verification for part (a) using simulatorVerification of part (b)…
Q: Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it…
A: Given data:Pipe diameter D = 0.09 mFlow velocity V = 0.37 m/sFluid density ρ=29.3kg/m³Fluid…
Q: Verify the equality of the following shearing stresses: (2) σεν = σνε (b) σzz =σ22
A:
Q: An object of mass 12 kg is suspended from a pulley which has a mass of 6 kg and a radius of rotation…
A: Sure, I can help you analyze the situation with the object, pulley, and friction. However, I cannot…
Q: 7-2 Problem 7-2 Section of a shaft containing a grinding-relief groove. Unless otherwise specified,…
A: Step 1:Step 2:Step 3:Step 4:
Q: Rigid bar ABC shown in the figure is supported by a pin at bracket A and by tie rod (1). Tie rod (1)…
A:
Q: Three external forces act on the beam AD as shown. Determine the distance from point A to the line…
A: Step 1: Step 2: Step 3: Step 4:
Q: . An object of mass 12 kg is suspended from a pulley which has a mass of 6 kg and a radius of…
A: I can analyze the question and provide a general solution approach, but I cannot access specific…
Q: An object of irregular shape has a characteristic length of L=1 m and is maintained at a uniform…
A:
Q: A long plate is placed parallel to a 13 m/s air stream at 80 kPa and 250 K. At what distance along…
A: Step 1: Step 2: Step 3: Step 4:
Q: An orifice in a vertical plate is located 1.13m below surface of an oil. The area of the orifice is…
A:
Q: Air is compressed by a compressor in steady-state operation, i.e. the inlet mass flow rate q is…
A:
Q: The Reynolds transport theorem (RTT) is discussed in Chap. 4 of your textbook. For the general case…
A: Step 1: Step 2: Step 3: Step 4:
Q: Steam flows into a turbine at a rate of 10 kg/s, and 10 kilowatts of heat are lost from the turbine.…
A: Step 1:To calculate the power output of the turbine, we need to find the enthalpy change of the…
Q: Determine the power capability of a hydropower plant that has a reservoir that sits 250 m above the…
A: Step 1:Given dataHeight H=250mThe volumetric flow rate of water Q=250000gallons/minsince 1…
Q: . Problem 9-4: The pressure fluctuations in a pipe filled with air at 20°C at about 1 atm is to be…
A: Step 1:To solve this problem, we'll first calculate the resonance frequency of the system using the…
Q: A Consider the system shown below, consisting of a spring connected to a clamped-free bar. The bar…
A:
Q: A vertical plate is held at a constant temperature of 10oC. The surrounding air is at Tinf=100oC.…
A: When a vertical plate is held at a lower temperature than its surroundings, as in this case where…
Q: What is the power output for a 62.0-kg woman who runs up a 3.20m high flight of stairs in 4.00s,…
A: Step 1: Given the values, m=62kg (mass of the woman)g=9.8s2m (acceleration due to gravity)h=3.2m…
Q: Example 11-10: Torque on unbalanced system. Determine the magnitude of the net net torque T needed…
A: are the angular momentum of masses A and B
Q: An isosceles triangle gate in a wall is hinged at location A. Determine the magnitude of force FH…
A: The objective of the question is to determine the magnitude of force FH required to hold the gate…
Q: = Consider a large plane wall of thickness L=0.3 m, thermal conductivity k = 2.5 W/m.K, and surface…
A: Step 1: According to the data and diagram given in the question,ASSUMPTIONS:-1-DIMENTIONAL…
Q: A pipe in a manufacturing plant is transporting superheated vapor at a mass flow rate of 0.3 kg/s.…
A: Step 1:Step 2: Step 3: Step 4:
Q: this cylinder has a rod inside, around the rod there is paraffin wax that will expand, I want to…
A: Part -(a) use turning on lathe machineTo reduce thickness place the cylinder on the lathe machine…
Q: 3 L X x 5 ام 1-Motor; 2,6-Coupling; 3-Reducer; 4-High speed gear pair; 5-Low speed gear pair;…
A:
Q: Machine safeguards must... conform to ANSI standards protect the operator and anyone passing by…
A: The question is asking whether all the listed requirements are necessary for machine safeguards.…
Q: The break-even Revenue (at no profit) of a mine is $70M per tonne of ore. It costs $46M per tonne of…
A: (I) To calculate the Break-Even Sales Revenue (BESR), we need to consider both the cost of producing…
Q: Q2/ Find the Stress Concentration in Plate as shown in figure (4) Ex 200 GPa Ey-180 GP 1,03 11 7315…
A: Write the given data by using the above digram.
Estimate the amount of power generated by a wind turbine having a power
coefficient of 0.37 given the annual average wind speed:
Rotor diameter = 125 m
Center of rotor at an elevation 160 m above the surface level.
Location: Oklahoma City, OK
Step by step
Solved in 2 steps
- Considering the wind speed of 5 m/s, air density of 1 kg/m3, exponentfactor is 0.20 and turbine diameter of 100 m:a. Calculate the turbine electrical power considering the maximumBitz limit,b. The original wind speed was taken at a height of 10 m,calculate the turbine power if it is now installed at 50 m height.c. In what condition a capacity factor of 73% can be reached bythis turbine.A 5 MW turbine is developed under an effective head of 320 m. The turbine efficiency is85%. Velocity coefficient of the nozzle is 99%.(a)Select which is the appropriate turbine based on effective head. (b)What should be the wheel diameter in meters assuming it is 12 times the diameter of the jet?A Pelton wheel works at the foot of a dam because of which the head available at the nozzle is 400 m. The nozzle diameter is 160 mm and the coefficient of velocity is 0.98, The diameter of the wheel bucket circle is 1.75 m and the buckets deflect the jet by 150°. The wheel-to-jet speed ratio is 0.45. Neglecting riction, calculate (1) the power developed by the turbine, (i) its speed and (i) hydraulic efficiency.
- An electric utility decides to add 50 MW of wind generation to its system. If the individual units are to be rated at 2 MW in a 13-m/s wind at standard conditions and have efficiencies Cp = 0.32, ηm = 0.94, and ηg = 0.96, what is the required swept area of each rotor?It is desired to develop a 5 MW turbine under an effective head of 320 m. The turbine efficiency is85%. Velocity coefficient of the nozzle is 99%.(a)Select which is the appropriate turbine based on effective head.(b)What should be the wheel diameter in meters assuming it is 12 times the diameter of the jet?1. A Pelton wheel of 4 m diameter operates with a head of 1000 m. Estimate the flow rate and power output of the machine, assuming that it operates at peak efficiency and there are no losses in the flow upstream of the turbine. 2. A Pelton wheel operates with a head of 400 m at 350 rpm, and it is powered by a jet 12 cm in diameter. Find the specific speed (U.S. customary units), and the wheel diameter, if there are no losses in the flow upstream of the turbine and it operates at peak efficiency.
- A propeller type, horizontal axis wind turbine having following wind characteristics: Speed of the wind 10 m/s at 150 C, The turbine has diameter of 120 m and its operating speed is 40 rpm at maximum efficiency. Calculate (i) the total power density in the wind stream (ii) the maximum obtainable power density assuming wind power coefficient as 40% (iii) total power produced in kW (iv) Maximum thrust and axial thrust. [Ans: 613 W/m2, 2771 kW, 6930 kW, 619.9510 kN, 897 kN] explain the axial thrust part clearly how 897 KN is comingPls show detailed solution Example 2.2A typical industrial-scale wind turbine has a peak efficiency of about 0.44 for a wind speed of 9 m·s−1. That is, it converts about 44% of the kinetic energy of the wind approaching it into usable electrical energy. The total air flow impinging on such a turbine with a rotor diameter of 43 m is about 15,000 kg·s−1 for the given wind speed. a) How much electrical energy is produced when 1 kg of air passes through the turbine?(b) What is the power output of the turbine?(c) If there is no heat transferred to the air, and if its temperature remains unchanged, what is its change in speed upon passing through the turbine?Asap; An impulse turbine is used to produce hydroelectric power. The average radius of the Pelton wheel is 2.0 m, and the jet velocity is 103 m/s from a nozzle of exit diameter equal to 0.318 m. The turning angle of the buckets is 165°. Take the density of water to be 998 kg/m^3. Calculate the ideal shaft power in MW.
- A propeller turbine develops 12,000hp, and rotates at 145rpm under a head of 20m. The outer and hub diameters are 4m and 1.75m, respectively. Calculate the inlet and outlet blade angles measured at mean radius if overall and hydraulic efficiencies are 85% and 93%, respectively. Show schematic diagram and provide solutions.A Pelton wheel has to develop 12 MW under a head of 300 m at a speed of 500 rpm. If the diameter of the jet is not to exceed 1/9 of the wheel diameter, calculate the quantity of flow and no. of jets. Assuming eo = 85%, Cv = 0.97, and Ф = 0.45.A propeller type, horizontal axis wind turbine having following windcharacteristics: Speed of the wind 10 m/s at 150 C, The turbine has diameterof 120 m and its operating speed is 40 rpm at maximum efficiency.Calculate (i) the total power density in the wind stream (ii) the maximumobtainable power density assuming wind power coefficient as 40% (iii)total power produced in kW (iv) Maximum thrust and axial thrust.[Ans: 613 W/m2 , 2771 kW, 6930 kW, 619.9510 kN, 897 kN]