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Posted By: dixiepnumThe question is can I use the temperature differences to somehow get a sterling engine going to generate electricity?You can, but the efficiency will be quite low: Summer 35K / 360K max eff. Winter 60K / 323K max eff.
Eg....summer ground temp 50 degrees, air temp 85 degrees
...winter ground temp 50 degrees, air temp minus 10 degrees
...i suppose it won't work when the air temp is 50 +\- 10 degrees
Can a sterling generate electricity on temp diffs that are this small? If so, how would I rig it up?
Posted By: dixiepnumThe question is can I use the temperature differences to somehow get a sterling engine going to generate electricity?
Eg....summer ground temp 50 degrees, air temp 85 degrees
...winter ground temp 50 degrees, air temp minus 10 degrees
...i suppose it won't work when the air temp is 50 +\- 10 degrees
Can a sterling generate electricity on temp diffs that are this small? If so, how would I rig it up?
Posted By: TrimI read somewhere recently that scientist are developing a 'heat battery' by shining sunlight on a special material it changes shape but when 'triggered' maybe years later it can revert to its old shape emitting heat.
I know I was thinking whether it would be economical to set up plants in the desert and pipe this 'charged' material over to Europe especially in winter and the discharged material can be piped back for reuse. Or of course shipped.
Canada could charge this material in the summer and use it in the winter. Of course it all depends on costs.
Posted By: TrimI read somewhere recently that scientist are developing a 'heat battery' by shining sunlight on a special material it changes shape but when 'triggered' maybe years later it can revert to its old shape emitting heat.Shipping electrons through wires is a lot cheaper than shipping any fuel by carrier or pipeline. The closest approximation to the cost of shipping electrons is pumping water.
I know I was thinking whether it would be economical to set up plants in the desert and pipe this 'charged' material over to Europe especially in winter and the discharged material can be piped back for reuse. Or of course shipped.
Canada could charge this material in the summer and use it in the winter. Of course it all depends on costs.