This video is an Animation explaining the working of diesel cycle. The pressure volume diagram of both theoretical and practical concepts are explained. The adiabatic process,constant pressure process ie the isobaric process are also explained. You can also get an idea of the piston movement inside the cylinder as per the PV diagram.
Type of Material:
Animation (Video)
Recommended Uses:
It could be recommended for courses on thermodynamic courses in any engineering degree. Useful for traditional and hybrid/blended teaching
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 Heat Engines and Thermodynamics.
This video helps to understand how the Diesel cycle is represented in a P/V diagram, in both theoretical and practical cases.
Target Student Population:
High School, Grade School, College General Ed, College Upper Division, Graduate School
Prerequisite Knowledge or Skills:
Knowledge on physics and chemistry at high school level. It should be desirable to have some Thermodynamics basic concepts knowledge.
Content Quality
Rating:
Strengths:
The pressure-volume diagram of the Diesel cycle is presented, comparing the theoretical one to the practical one. It highlights the differences between the “perfect” processes of the theoretical cycle with respect to the real processes of the practical cycle. Contents is 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:
Perhaps arrows indicating when heat transfer occurs could help the viewer to better understand the differences. The case in which combustion gases instead of air takes place could be of interest to be studied.
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 between thermodynamic processes 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:
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 Thermodynamics.
A brief introduction explaining in which machines the Diesel Cycle appears should be of interest.
Ease of Use for Both Students and Faculty
Rating:
Strengths:
The video is a standalone material, easy to use. Only connection to the Internet and link to the video repository is needed. It can be reproduced in computer, iPad and smartphone. Visual design of the video corresponds to a succession of pictures as the explanations are given.
Concerns:
The format doesn’t allow the viewer to interact with it.
It should be interesting to include subtitles in other languages in common use (Spanish, French…), or video voice in other languages.
Creative Commons:
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