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| Ev Archive for October 2002 |
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| 1331 messages, last added Tue Oct 22 14:03:22 2002 |
[Date Index][Thread Index]
Re: Ceramic heating element efficiency
On 21 Oct 2002 at 17:40, Victor Tikhonov wrote:
> Can one estimate how efficient ceramic heaters are in terms of
> converting electric watts into Joules (sorry, BTUs)?
>
> I want to know if I get, say 100V 5A ceramic heater(s) in the place
> of former heater core and blow an air through it, will I get
> more/equal/less heat than if I get 100V 5A water heater, immerse it
> in a small water tank circulating hot water through the stock core,
> and blow equal amount of air through that core?
The more direct the connection between the busy little electrons and the
occupants' bodies, the lower the losses. Probably the ideal heater is heated
suits for the driver and passengers.
If you are going to heat the air in the vehicle, the more efficient way is to heat
the air directly with a heating element of some kind. IMO, the only advantage
to a liquid heater is that it's easier to install because you can leave the old
heater core in place. But it heats up more slowly, and (potentially) wastes
more energy through losses in the tank and plumbing.
David Roden
Akron OH USA
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