A boat moved by jet propulsion discharges water through a jet of area 0.02 m2; the water being drawn from inlet opening facing the direction of motion. The total drag is estimated to be 17.66 u2 N·m where u is the speed of the boat in metre per second. Take density of water at 1,020 kg/m3 and efficiency of the pump set is 78%. If the boat moves at 54 kilometers per hour, determine the following: A) Relative velocity of the jet in meters per second B) The power, in kilowatts, of the motor required to work the pumps C) Efficiency of propulsion, in %
A boat moved by jet propulsion discharges water through a jet of area 0.02 m2; the water being drawn from inlet opening facing the direction of motion. The total drag is estimated to be 17.66 u2 N·m where u is the speed of the boat in metre per second. Take density of water at 1,020 kg/m3 and efficiency of the pump set is 78%. If the boat moves at 54 kilometers per hour, determine the following: A) Relative velocity of the jet in meters per second B) The power, in kilowatts, of the motor required to work the pumps C) Efficiency of propulsion, in %
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
A boat moved by jet propulsion discharges water through a jet of area 0.02 m2; the water being drawn from inlet opening facing the direction of motion. The total drag is estimated to be 17.66 u2 N·m where u is the speed of the boat in metre per second. Take density of water at 1,020 kg/m3 and efficiency of the pump set is 78%. If the boat moves at 54 kilometers per hour, determine the following:
A) Relative velocity of the jet in meters per second
B) The power, in kilowatts, of the motor required to work the pumps
C) Efficiency of propulsion, in %
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY