A wind turbine with a rotor diameter of 40 m produces 90 kW of electrical power when
Question:
A wind turbine with a rotor diameter of 40 m produces 90 kW of electrical power when the wind speed is 8 m ⋅ s−1. The density of air impinging on the turbine is 1.2 kg ⋅ m−3. What fraction of the kinetic energy of the wind impinging on the turbine is converted to electrical energy?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 83% (6 reviews)
To find the fraction of the kinetic energy of the wind that is converted to electrical energy by the ...View the full answer
Answered By
BillClinton Muguai
I have been a tutor for the past 5 years. I have experience working with students in a variety of subject areas, including computer science, math, science, English, and history. I have also worked with students of all ages, from elementary school to college. In addition to my tutoring experience, I have a degree in education from a top university. This has given me a strong foundation in child development and learning theories, which I use to inform my tutoring practices.
I am patient and adaptable, and I work to create a positive and supportive learning environment for my students. I believe that all students have the ability to succeed, and it is my job to help them find and develop their strengths. I am confident in my ability to tutor students and help them achieve their academic goals.
0.00
0 Reviews
10+ Question Solved
Related Book For
Introduction To Chemical Engineering Thermodynamics
ISBN: 9781259696527
8th Edition
Authors: J.M. Smith, Hendrick Van Ness, Michael Abbott, Mark Swihart
Question Posted:
Students also viewed these Engineering questions
-
A wind turbine with a rotor diameter of 77m produces 1.5 MW of electrical power at a wind speed of 12 m s 1 . What fraction of the kinetic energy of the air passing through the turbine is converted...
-
A wind turbine with two or four hollow hemispherical cups connected to a pivot is commonly used to measure wind speed. Consider a wind turbine with four 8-cm-diameter cups with a center-to-center...
-
A wind turbine with a blade diameter of 25 m is to be installed in a location where average wind velocity is 6 m/s. If the overall efficiency of the turbine is 34 percent, determine (a) The average...
-
The data below provides weekly sales for the past 12 weeks (weeks 21-32). Week Sales 21 4,000 22 3,655 23 3,958 24 3,983 25 4,538 26 4,120 27 4,692 28 4,421 29 4,859 30 5,030 31 5,540 32 5,670 Use a...
-
What are the advantages of starting a franchise business (such as McDonalds) instead of an independent entrepreneurial business? What are the disadvantages?
-
(a) Your roommate says, Sales taxes are reported as an expense in the income statement. Do you agree? Explain. (b) Brendas Cafe has cash proceeds from sales of $8,550. This amount includes $550 of...
-
Once a salesperson sees one or more buying signals from a prospect, he or she should trial close. What happens if the prospect doesnt close at that point? Why is this outcome actually favorable for...
-
1. What is your evaluation of the ethics of domain-name companies earning commissions when people insert ordinary names into their Internet browser? 2. What about the ethics of Google and Yahoo!...
-
How can organizations leverage ontologies and semantic technologies to enhance the discoverability and relevance of tacit knowledge embedded within unstructured data repositories? Explain
-
Natalie is thinking of buying a van that will be used only for business. She estimates that she can buy the van for $28,400. Natalie would spend an additional $3,000 to have the van painted. As well,...
-
The battery in a laptop computer supplies 11.1 V and has a capacity of 56 Wh. In ordinary use, it is discharged after 4 hours. What is the average current drawn by the laptop, and what is the average...
-
An electric motor runs hot under load, owing to internal irreversibilities. It has been suggested that the associated energy loss be minimized by thermally insulating the motor casing. Comment...
-
The diagram shows the curve with equation y = 5 + 2x x 2 and the line with equation y = 2. The curve and the line intersect at the points A and B. a. Find the x-coordinates of A and B. b. The shaded...
-
Which sets of lines can be removed without stopping the code from compiling and while printing the same output? (Choose three.) A. Lines 15 and 17 B. Lines 16 and 23 C. Lines 17, 18, and 22 D. Line...
-
Fill in the blanks: Using the ________ and ________ modifiers together allows a variable to be accessed from any class, without requiring an instance variable. A. class, static B. default, public C....
-
The following intangible assets were purchased by Goldstein Corporation: A. A patent with a remaining legal life of twelve years is bought, and Goldstein expects to be able to use it for seven years....
-
Which is not a difference between a limited liability company and a limited liability partnership? a. An LLC, unlike an LLP or LLLP, can exist with only one owner. b. All members of an LLC have...
-
How many of the following lines contain a compiler error? A. Zero B. One C. Two D. Three E. Four F. Five. long min1= 123.0, max1 = 987L; final long min2 = 1_2_3, max2 = 9__8__7; long min3= 123, int...
-
(a) Show that an m n matrix has a left inverse if and only if it has rank n. (b) Show that it has a right inverse if and only if it has rank m. (c) Conclude that only nonsingular square matrices...
-
Which, if any, of the dichloroethene molecules drawn in Data Table II (3.) (4.) and (5.) are geometric isomers? A. B. C. D. cis-1,2-dichloroethene and trans-1,2-dichloroethene...
-
A tank containing 20 kg of water at 20oC is fitted with a stirrer (hat delivers work to the water at the rate of 0.25 kW. How long does it take for the temperature of the water to rise to 30oC if no...
-
Heat in the amount of 7.5 kJ is added to a closed system while its internal energy decreases by 12 kJ. How much energy is transferred as work? For a process causing the same change of state but for...
-
A steel casting weighing 2 kg has an initial temperature of 500oC; 40 kg of water initially at 25oC is contained in a perfectly insulated steel tank weighing 5 kg. The casting is immersed in the...
-
What advantage does the private resident buying oce (store-owned offices) aord its stores that independent buying oces do not? Describe two functions of an independent buying office. Describe the 4...
-
10. Consider the following data - == - -5 1 3 4 -1 0 1 1 (a) Find the Least Squares Regression Line. (b) Find the coefficient of correlation and determination. (c) Find a 90% confidence interval for...
-
Which point on the graph y=4x are closest to the point (0, 2)? (Hint: consider the distance formula between two points)
Study smarter with the SolutionInn App