subject
Engineering, 06.03.2020 22:43 milkshakegrande101

A laminar boundary layer is formed on one side of a plate of length L produces a drag D. How much must the plate be shortened if the drag on the new plate is to be D/4? Assume the upstream velocity remains the same. Explain your answer physically.

ansver
Answers: 2

Another question on Engineering

question
Engineering, 04.07.2019 16:10
The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.
Answers: 1
question
Engineering, 04.07.2019 18:10
What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information
Answers: 3
question
Engineering, 04.07.2019 19:10
Ahelical coil spring has a mean diameter of 50 mm, a wire diameter of 5.5 mm and is wound with a pitch of 10 mm. the spring steel has an ultimate strength of 1250 mpa. find the force needed to compress the spring solid and the wire stress in this condition. state whether the spring will return to its initial length.
Answers: 1
question
Engineering, 04.07.2019 19:20
Air at a pressure of 1atm and a temperature of 40 c is in parallel flow over the top surface of a flat plate that is heated to a uniform temperature of 120 c. the plate has a length of 0.40m (in the flow direction) and a width of 0.15m. the reynolds number based on the plate length is 50, 000. what is the rate of heat transfer from the plate to the air? if the free stream velocity of the air is doubled and the pressure is increased to 10 atm what is the rate of heat transfer?
Answers: 2
You know the right answer?
A laminar boundary layer is formed on one side of a plate of length L produces a drag D. How much mu...
Questions
question
Mathematics, 18.12.2019 04:31
question
Mathematics, 18.12.2019 04:31
Questions on the website: 13722360