The working of a jet engine is explained in this video in a logical and illustrative manner with help of animation. This video takes the viewer through 1-spool engine, 2-spool engine, turbo jet engine and turbofan engine.
Type of Material:
Video (Animation).
Recommended Uses:
- Play in class for courses on fluid mechanics, mechanics and thermodynamics in any engineering degree.
- Class discussion;
- Discussion forum;
- Individual.
Technical Requirements:
Mozilla Firefox, Google Chrome and Microsoft Edge browsers were used to access the material. It seems that all facilities are active for any browser.
Identify Major Learning Goals:
The video is addressed to engineers and students of engineering degrees interested in learning about the Physics. Also useful for basic courses on thermodynamics, mechanics and fluid mechanics.
Target Student Population:
Grade School, Middle School, High School, College General Ed, College Lower Division, College Upper Division, Graduate School, Professional.
Prerequisite Knowledge or Skills:
Knowledge on physics at high school level. It should be desirable to have some Thermodynamic basic concepts knowledge.
Content Quality
Rating:
Strengths:
The main components of a jet engine for aircraft propulsion are presented, The video explain the differences amongst the basic jet engine, the turbo-jet engine and the turbo-fan engine, highlighting the increase in efficiency of the respective model. Contents are presented in a clear and concise manner. The contents are core concepts in basic Thermodynamics or Heat Engines courses. Information is provided accurately and summarizes well the main ideas.
Concerns:
Ranges of temperature and pressure for each element and for each jet engine should be presented. This allows the viewer to have an idea of the power implied, as well as of the speed that each jet engine could reach.
Potential Effectiveness as a Teaching Tool
Rating:
Strengths:
The material could be used for self-learning as well as a supplementary material in traditional or blended/hybrid courses on Thermodynamics or Heat Engines. The learning objectives are clearly stated. Relations and differences amongst the basic jet engine, the turbo-jet engine and the turbo-fan engine are demonstrated.
The major strength of this material is its presentation and length. These are the optimal to help students acquire concepts without being boring.
Concerns:
Perhaps prior information concerning the functioning of the compressor, turbine and the use of which fuel should be interesting.
As corresponds to video materials, to become useful for effective learning it should be combined with extra exercises and quizzes, or to become integral part of additional lectures on the topic of physics in history. It doesn’t allow to measure learning outcomes.
Ease of Use for Both Students and Faculty
Rating:
Strengths:
The video is a stand-alone piece of content that is simple to use. Only an Internet connection and a link to the video repository are required. It can be replicated on a computer, iPad, or smartphone. The association of sound with animation is considered an excellent tool for facilitating the comprehension process.
Concerns:
It should be interesting to include subtitles in other languages in common use (Spanish, French…), or video voice in other languages.
As corresponds to video materials, limited interactivity.
Creative Commons:
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