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⇱ Flight mechanics - Propulsive balance and energy | Coursera

Flight mechanics - Propulsive balance and energy

Flight mechanics - Propulsive balance and energy

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Gain insight into a topic and learn the fundamentals.
4.7

64 reviews

Intermediate level
Some related experience required
6 hours to complete
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
4.7

64 reviews

Intermediate level
Some related experience required
6 hours to complete
Flexible schedule
Learn at your own pace

What you'll learn

  • Describe the speed and altitude control of an airplane.

  • Describe relationship between thrust, speed and altitude.

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Assessments

12 assignments

Taught in English

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This course is part of the Fundamentals of Flight mechanics Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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  • Gain a foundational understanding of a subject or tool
  • Develop job-relevant skills with hands-on projects
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There are 3 modules in this course

This course is dedicated to energy management, i.e. speed and altitude control.

The various sources of drag are first described and modeled, as well as thrust origin, and evolution with speed and altitude. Using these models, we can evaluate the propulsive balance and derive important concepts like flight regimes, best climb speed, or propulsion ceiling. We take then a glance at cruise performances and the evolution of range with weight. This course is a part of the specialization "Fundamentals of Flight mechanics".

First we will look at the physics at the origin of drag and thrust, and derive basic models and representations like the drag polar.

What's included

5 videos5 readings4 assignments

5 videos•Total 21 minutes
  • Drag expression•4 minutes
  • The drag polar•4 minutes
  • Froudes's thrust theory•3 minutes
  • Propeller devices types•4 minutes
  • Propulsion equation and energy exchanges•5 minutes
5 readings•Total 27 minutes
  • Welcome !•2 minutes
  • Glossary/Definiton of terms•10 minutes
  • Summary•5 minutes
  • Summary•5 minutes
  • Summary•5 minutes
4 assignments•Total 65 minutes
  • Quiz on drag modeling•10 minutes
  • Quiz on thrust modeling•15 minutes
  • Quiz on drag, thrust and energy•10 minutes
  • Check your knowledge for week 1•30 minutes

We will see here how the airspeed chosen to fly a stabilized phase of flight, like climb, final approach, or cruise, affects the behavior of the airplane, and why certain speeds are optimal for a given phase.

What's included

7 videos2 readings4 assignments1 discussion prompt

7 videos•Total 15 minutes
  • Drag variation with speed•3 minutes
  • Propulsion balance•3 minutes
  • Regimes definition and properties•2 minutes
  • Stability•3 minutes
  • A reminder on climb and descent•2 minutes
  • Best climb angle•1 minute
  • Propelling device types•2 minutes
2 readings•Total 15 minutes
  • Summary•10 minutes
  • Best climb speed and propelling device type•5 minutes
4 assignments•Total 70 minutes
  • Self evaluation about propulsion balance•10 minutes
  • Self evaluation about Regimes definition and stability•20 minutes
  • Quiz about best climb speed•10 minutes
  • Check your knowledge for week 2•30 minutes
1 discussion prompt•Total 10 minutes
  • Discussion about low speed•10 minutes

Our main subject here is the distance we can fly with a given payload and fuel quantity, and how it relates with the design and operational characteristics of the airplane.

What's included

4 videos2 readings4 assignments1 discussion prompt

4 videos•Total 16 minutes
  • Specific distance•4 minutes
  • Cruise altitude•4 minutes
  • Breguet-Leduc equation•3 minutes
  • Payload range diagram•5 minutes
2 readings•Total 10 minutes
  • Summary•5 minutes
  • Summary•5 minutes
4 assignments•Total 105 minutes
  • Learning quiz about Cruise performance•15 minutes
  • One question on payload range diagram•15 minutes
  • Check your knowledge for week 3•30 minutes
  • General assesment•45 minutes
1 discussion prompt•Total 10 minutes
  • Conclusion and synthesis•10 minutes

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Instructor

Instructor ratings
4.6 (15 ratings)
ISAE-SUPAERO
4 Courses•30,559 learners

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Showing 3 of 64

GS
·

Reviewed on Apr 7, 2023

All courses are deisned very well and provides good Introduction Flight Mechanics. Being an Aerospace Engineer I have found it really helpful in revising all my previous topics.

TG
·

Reviewed on Nov 18, 2022

Very good course, the final assessment is quite challenging so you need to learn seriously.

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