understanding the good effiency


by redgoat
Tags: effiency
redgoat
redgoat is offline
#1
Jun13-05, 07:57 PM
P: 39
What is the good efficiency of a product? How do you understand the term "good effiency"?
Phys.Org News Partner Science news on Phys.org
Cougars' diverse diet helped them survive the Pleistocene mass extinction
Cyber risks can cause disruption on scale of 2008 crisis, study says
Mantis shrimp stronger than airplanes
FredGarvin
FredGarvin is offline
#2
Jun24-05, 04:36 PM
Sci Advisor
FredGarvin's Avatar
P: 5,095
Can you tell us where you have seen the term "good efficiency?" That is not a term used that I know of. You are undoubtedly referring to efficiency, of which there are MANY different forms and measures of efficiency.

If you can, please provide a bit more information on what it is you are looking at.
Delta
Delta is offline
#3
Jun26-05, 06:53 PM
P: 101
I would say efficiency is quite simply the ratio of useful "stuff" over the total amount " stuff" available.

For example a light bulb has x amount of energy (electrical) available. It uses y amount of energy to produce light, therefore the efficiency is x/y x 100%.

Good efficiency is about improving this ratio towards 100%

Edit: Silly me, it should be y/x * 100%

FredGarvin
FredGarvin is offline
#4
Jun27-05, 06:09 AM
Sci Advisor
FredGarvin's Avatar
P: 5,095

understanding the good effiency


I would like to see a reference to anything that uses the term "good efficiency."
faust9
faust9 is offline
#5
Jun27-05, 10:21 AM
P: 998
Here ya go Fred:

http://www.cnet.com/5208-6033-0-10.h...95130&start=-1

Honda Civic hybrid? Not very good efficiency!

FredGarvin
FredGarvin is offline
#6
Jun27-05, 11:16 AM
Sci Advisor
FredGarvin's Avatar
P: 5,095
ehhhhhhh....
Astronuc
Astronuc is offline
#7
Jun27-05, 01:00 PM
Admin
Astronuc's Avatar
P: 21,637
Quote Quote by redgoat
What is the good efficiency of a product? How do you understand the term "good effiency"?
I have never heard of "good efficiency" as a technical term. There is just efficiency, which is readily 'quantifiable'. However, there can be efficiencies of components or systems, and one can talk of 'net' or 'gross' depending on what is incorporated in the formula for efficiency.

"Good efficiency" sounds like a subjective term, where 'good' is simply an adjective.

Then there is the matter of 'reliability' or 'availability'.


Register to reply

Related Discussions
Good resource for understanding light waves? General Physics 8
effiency coversion question Introductory Physics Homework 0
Is understanding one branch of math conducive to understanding another? General Math 4
Transformation Effiency (please help) Biology 1
How to set up PCR effiency in Rt-qPCR? Biology 0