Power/Acre: Solar Thermal v Bio diesel
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Power/Acre: Solar Thermal v Bio diesel         


Author: Bret Cahill
Date: Apr 24, 2008 21:49

Assuming it can be made to work the yield from algae is claimed to be
30,000 gallons diesel/acre-year. This comes out to be 30 kW/acre
(24/7/52).

(This is over 3X the gross income as growing berries so it is
probably
economical especially considering the quality of the land doesn't
matter.)

Taken along with the 40%% efficiency of a diesel engine, the
mechanical
work from algae oil is only 12 kW/acre (24/7/52).

Dish Stirling averages over 120 kW/acre mechanical work (24/7/52).

Now, to be sure, no one will deny that liquid fuel is often a
convenient way to store and transport energy, but even if the
electrical energy storage device, i. e., battery, pumped water, etc.,
is only 10%% efficient, dish Stirling _still_ beats bio diesel in
mech.
energy/land use.

Bret Cahill
6 Comments
Re: Power/Acre: Solar Thermal v Bio diesel         


Author: tg
Date: Apr 25, 2008 07:57

On Apr 25, 12:49 am, Bret Cahill aol.com> wrote:
> Assuming it can be made to work the yield from algae is claimed to be
> 30,000 gallons diesel/acre-year.   This comes out to be 30 kW/acre
> (24/7/52).
>
> (This is over 3X the gross income as growing berries so it is
> probably
> economical especially considering the quality of the land doesn't
> matter.)
>
> Taken along with the 40%% efficiency of a diesel engine, the
> mechanical
> work from algae oil is only 12 kW/acre (24/7/52).
>
> Dish Stirling averages over 120 kW/acre mechanical work (24/7/52).
>
> Now, to be sure, no one will deny that liquid fuel is often a
> convenient way to store and transport energy, but even if the
> electrical energy storage device, i. e., battery, pumped water, etc.,
> is only 10%% efficient, dish Stirling _still_ beats bio diesel in ...
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Re: Power/Acre: Solar Thermal v Bio diesel         


Author: Bret Cahill
Date: Apr 25, 2008 10:57

>> Assuming it can be made to work the yield from algae is claimed to be
>> 30,000 gallons diesel/acre-year. � This comes out to be 30 kW/acre
>> (24/7/52).
>
>> (This is over 3X the gross income as growing berries so it is
>> probably
>> economical especially considering the quality of the land doesn't
>> matter.)
>
>> Taken along with the 40%% efficiency of a diesel engine, the
>> mechanical
>> work from algae oil is only 12 kW/acre (24/7/52).
>
>> Dish Stirling averages over 120 kW/acre mechanical work (24/7/52).
>
>> Now, to be sure, no one will deny that liquid fuel is often a
>> convenient way to store and transport energy, but even if the
>> electrical energy storage device, i. e., battery, pumped water, etc.,
>> is only 10%% efficient, dish Stirling _still_ beats bio diesel in
>> mech. ...
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Re: Power/Acre: Solar Thermal v Bio diesel         


Author: tg
Date: Apr 25, 2008 14:42

On Apr 25, 1:57 pm, Bret Cahill aol.com> wrote:
>>> Assuming it can be made to work the yield from algae is claimed to be
>>> 30,000 gallons diesel/acre-year. � This comes out to be 30 kW/acre
>>> (24/7/52).
>
>>> (This is over 3X the gross income as growing berries so it is
>>> probably
>>> economical especially considering the quality of the land doesn't
>>> matter.)
>
>>> Taken along with the 40%% efficiency of a diesel engine, the
>>> mechanical
>>> work from algae oil is only 12 kW/acre (24/7/52).
>
>>> Dish Stirling averages over 120 kW/acre mechanical work (24/7/52).
>
>>> Now, to be sure, no one will deny that liquid fuel is often a
>>> convenient way to store and transport energy, but even if the
>>> electrical energy storage device, i. e., battery, pumped water, etc.,
>>> is only 10%% efficient, dish Stirling _still_ beats bio diesel in ...
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Re: Power/Acre: Solar Thermal v Bio diesel         


Author: Bret Cahill
Date: Apr 25, 2008 15:23

>>>> Assuming it can be made to work the yield from algae is claimed to be
>>>> 30,000 gallons diesel/acre-year. � This comes out to be 30 kW/acre
>>>> (24/7/52).
>
>>>> (This is over 3X the gross income as growing berries so it is
>>>> probably
>>>> economical especially considering the quality of the land doesn't
>>>> matter.)
>
>>>> Taken along with the 40%% efficiency of a diesel engine, the
>>>> mechanical
>>>> work from algae oil is only 12 kW/acre (24/7/52).
>
>>>> Dish Stirling averages over 120 kW/acre mechanical work (24/7/52).
>
>>>> Now, to be sure, no one will deny that liquid fuel is often a
>>>> convenient way to store and transport energy, but even if the
>>>> electrical energy storage device, i. e., battery, pumped water, etc.,
>>>> is only 10%% efficient, dish Stirling _still_ beats bio diesel in
>>>> mech. ...
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Re: Power/Acre: Solar Thermal v Bio diesel         


Author: tg
Date: Apr 26, 2008 02:52

On Apr 25, 6:23 pm, Bret Cahill aol.com> wrote:
>>>>> Assuming it can be made to work the yield from algae is claimed to be
>>>>> 30,000 gallons diesel/acre-year. � This comes out to be 30 kW/acre
>>>>> (24/7/52).
>
>>>>> (This is over 3X the gross income as growing berries so it is
>>>>> probably
>>>>> economical especially considering the quality of the land doesn't
>>>>> matter.)
>
>>>>> Taken along with the 40%% efficiency of a diesel engine, the
>>>>> mechanical
>>>>> work from algae oil is only 12 kW/acre (24/7/52).
>
>>>>> Dish Stirling averages over 120 kW/acre mechanical work (24/7/52).
>
>>>>> Now, to be sure, no one will deny that liquid fuel is often a
>>>>> convenient way to store and transport energy, but even if the
>>>>> electrical energy storage device, i. e., battery, pumped water, etc.,
>>>>> is only 10%% efficient, dish Stirling _still_ beats bio diesel in ...
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Re: Power/Acre: Solar Thermal v Bio diesel         


Author: Bret Cahill
Date: Apr 26, 2008 04:47

>>>>>> Assuming it can be made to work the yield from algae is claimed to be
>>>>>> 30,000 gallons diesel/acre-year. � This comes out to be 30 kW/acre
>>>>>> (24/7/52).
>
>>>>>> (This is over 3X the gross income as growing berries so it is
>>>>>> probably
>>>>>> economical especially considering the quality of the land doesn't
>>>>>> matter.)
>
>>>>>> Taken along with the 40%% efficiency of a diesel engine, the
>>>>>> mechanical
>>>>>> work from algae oil is only 12 kW/acre (24/7/52).
>
>>>>>> Dish Stirling averages over 120 kW/acre mechanical work (24/7/52).
>
>>>>>> Now, to be sure, no one will deny that liquid fuel is often a
>>>>>> convenient way to store and transport energy, but even if the
>>>>>> electrical energy storage device, i. e., battery, pumped water, etc.,
>>>>>> is only 10%% efficient, dish Stirling _still_ beats bio diesel in
>>>>>> mech. ...
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