- #1
Darnell Gah
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How can kinetic or mechanical energy be stored?
Storing Kinetic & Mechanical Energy
- Context: Undergrad
- Thread starter Darnell Gah
- Start date
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Discussion Overview
The discussion revolves around methods of storing kinetic and mechanical energy, exploring various approaches and concepts related to energy storage. The scope includes theoretical considerations and practical applications.
Discussion Character
- Exploratory, Technical explanation, Debate/contested, Homework-related
Main Points Raised
- Some participants suggest various methods for storing kinetic or mechanical energy, including using a flywheel, placing weights on a shelf, or utilizing a water reservoir.
- One participant emphasizes the importance of context for providing better assistance and elaborates on potential energy storage methods, such as gravitational potential energy and kinetic energy in a spinning flywheel.
- Another participant raises a question about whether kinetic energy must be stored in its original form or if it can be converted to another form, such as electrical energy in the case of electric vehicles.
- There is mention of energy conversions and storage being significant in various industries, highlighting the broader implications of the topic.
- A participant notes a specific example of energy storage involving heavy trains climbing hills, indicating a potential area of interest for further exploration.
Areas of Agreement / Disagreement
Participants have not reached a consensus, as there are multiple competing views on the methods of energy storage and whether the original form of energy must be maintained.
Contextual Notes
The discussion is limited by the need for clarification on whether the inquiry is related to homework, which affects the depth of responses provided.
Who May Find This Useful
This discussion may be of interest to those exploring energy storage methods, including students, engineers, and individuals involved in energy management and conversion technologies.
- #2
BvU
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On a shelf, in a flywheel, in a water reservoir, etc.
- #3
DrClaude
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Is this a homework question?Darnell Gah said:
- #4
BvU
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I see you haven't been welcomed ...
So here it is: Hello Darnell,
!My answer reflects the terseness of your question; if you would provide a little more context perhaps we can give better help.
On a shelf you can place a weight (or you can lift the weight on an old-fashioned clock) Height times mass time graviational acceleration is energy ##E_{\rm pot} = mgh##.
A spinning flywheel represents kinetic energy, to the tune of ##{1\over 2} I \omega^2##.
One can pump water into a reservoir such as Lake Mead and later recover the energy in the Hoover dam turbines.
Energy conversions and energy storage are big, big business around the world.
There's a nice thread on storing energy by letting heavy trains climb hills in the desert (ARES)
So here it is: Hello Darnell,
!My answer reflects the terseness of your question; if you would provide a little more context perhaps we can give better help.On a shelf you can place a weight (or you can lift the weight on an old-fashioned clock) Height times mass time graviational acceleration is energy ##E_{\rm pot} = mgh##.
A spinning flywheel represents kinetic energy, to the tune of ##{1\over 2} I \omega^2##.
One can pump water into a reservoir such as Lake Mead and later recover the energy in the Hoover dam turbines.
Energy conversions and energy storage are big, big business around the world.
There's a nice thread on storing energy by letting heavy trains climb hills in the desert (ARES)
- #5
CWatters
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Yes welcome to the forum.
Do you have to store the kinetic energy in that form or can you convert it to another form and back again? For example when an electric car wants to slow down it can convert it's KE to electrical energy and store it in a battery.
Do you have to store the kinetic energy in that form or can you convert it to another form and back again? For example when an electric car wants to slow down it can convert it's KE to electrical energy and store it in a battery.
- #6
DrClaude
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Thread will be lock until OP can answer whether this is homework or not.
OP, send me a PM if this is not homework.
OP, send me a PM if this is not homework.
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