4 posts • joined 29 Feb 2008
Re: Sir Clive Sinclair
Well, he might be, except he's not dead.
Tut, and they opened all of them?
Ruined a perfectly good game of pass the parcel :(
@Dave Bell & Ian Rogers
Yes, I used Kelvin for my calculation, as quick and simple use of a calculator would demonstrate. It should be obvious from sight that 1-(20/60) is not going to equal 0.12 in any case.
However, for readability, I provided celsius equivalents.
A Stirling Engine is just a particular type of heat engine.
Heat engines have a maximum theoretical efficency of 1-(T_c/T_h),
Where T_c is the "cold" temperature, and T_h is the "hot" temperature.
Given, say, temperatures of 20 and 60 degrees celsius, you'd get a maximum efficency value of about 12%.
The 70% figure is presumably 70% of 12% (~ 8.5%).
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