In reply to  Jones Beene's message of Thu, 15 Nov 2007 09:16:36 -0800:
Hi,
[snip]
>On the overlooked importance of the energy (heat) sink. Part 1.
>
>We know from OTEC - Ocean_Thermal_Energy_Conversion - that even warm 
>water can provide megawatts of power, so long as there is a readily 
>available heat sink.
>
>In the case of OTEC- we find that warm surface water is working against 
>cool deep water. The delta T is not high, indicating that overall 
>efficiency is FAR less important for producing inexpensive energy 
>without fossil fuel, than is the all important "access" to a good energy 
>sink. The most important feature of this system is the heat-sink.
>
>http://en.wikipedia.org/wiki/Ocean_thermal_energy_conversion
>
>Correspondingly, even in a nuclear power plant the most expensive 
>subsystem, surprisingly, is the cooling tower. The installed cost of 
>these enormous structures is typically double the cost of the reactor 
>itself.
[snip]
...which seems a waste to me. Why not use the "waste" heat for desalination? It
has fresh water as a "free" byproduct of the cooling process.

Regards,

Robin van Spaandonk

The shrub is a plant.

Reply via email to