Hi,
I'm really excited about these microturbines. The tubine/generator shaft is
supported on air bearings. There aren't any lubricants. The things will run
24/7 with minimal maintenance only needing an air filter change once a year
or so. The exhaust is exceedingly clean. They will run on dies
[EMAIL PROTECTED] said:
>
> I think they need to try and downsize the turbines to the output for a house
> sized unit. Then, put one in the house and turn it on, fueled with biodiesel.
> Turn off the power company. It can set up as a cogen, so one has space heat,
> hot water, and electricity,
Does anyone know the upper limits of energy efficiency on these turbines? I
know with a conventional ICE engine, a major reason for looking to fuel cells as
alternatives is that ICE engines are permanently limited by Carnot Cycle
inefficiencies. Even though many fuel cells are not yet above 40-5
high temperature of the exhaust burnt the paint off of the hood of the car and
cracked it's windshield. Not good.
Greg H.
- Original Message -
From: [EMAIL PROTECTED]
To: biofuel@yahoogroups.com
Sent: Thursday, October 30, 2003 09:48
Subject: [biofuel] Microturbines vs
@yahoogroups.com
Sent: Thursday, October 30, 2003 10:11
Subject: Re: [biofuel] Microturbines vs fuel cells
Does anyone know the upper limits of energy efficiency on these turbines? I
know with a conventional ICE engine, a major reason for looking to fuel cells
as
alternatives is that
MM,
I think they are only used in buses or trucks for HEV applications due to
their output. These are either 30 or 60 kW turbines. They can be grouped in
sets of up to 100 units working together for non-HEV applications. That was
why I made the comment about downsizing. Currently, they are too
Their website lists 70-90% for cogeneration. I would imagine much less if
you're wasting the exhaust heat.
--
--
Martin Klingensmith
http://infoarchive.net/
http://nnytech.net/
murdoch wrote:
>Does anyone know the upper limits of energy efficiency on these turbines? I
>know with a conventi
Dan,
I have a vague idea that I read somewhere that they are around USD 20,000 to
30,000. Way too much for a home application. Hopefully if they are downsized,
the price would also be deflated. But, for a commercial application such as a
cogen in a hotel, apparently the price is competitive.
On Thu, 30 Oct 2003 15:12:49 -0500, you wrote:
>Their website lists 70-90% for cogeneration. I would imagine much less if
>you're wasting the exhaust heat.
>
>--
Thx. This whole cogeneration thing confuses me. I mean, we're told that ICE
engines invariably lose x amount to pumping losses and
[EMAIL PROTECTED] said:
>
> Dan,
>
> I have a vague idea that I read somewhere that they are around USD 20,000 to
> 30,000. Way too much for a home application. Hopefully if they are downsized,
> the price would also be deflated. But, for a commercial application such as a
> cogen in a hotel,
The consideration is also for reliability IMO.
It's hard to beat 1 moving part versus many for a diesel, when possible.
Another thing to take into consideration is the size of a very small turbine to
power a house. As parts get smaller, common materials become inadequate.
It has been my experien
Hi,
I like cogen. It is like getting something for nothing. In the old days one
would burn diesel and generate electricity. Next to it, one would burn diesel
and fire a boiler for hot water. Somebody finally said, hey why not use the
hot exhaust from the generator, and the heat in the coolant
Greg and April wrote:
> It is somewhat dependant on the incoming air temperature, the higher the
> incoming temp, the less fuel they have to use for a given power output. In
> general it is my understanding that they are better than conventional ICEs.
I could be wrong, but I don't think that is
Greg and April wrote:
> It was soon after the M-1 made it to Europe and a group of M-1s
> were on their way to the range, when a car came up behind them and
> was crowding the last tank in the convoy. The tank commander tried
> to motion the car to back away, and the driver refused. Before to
y and
they would need more thrust just to maintain altitude, that in it's self, would
cause higher fuel consumption.
Greg H.
- Original Message -
From: Alan Petrillo
To: biofuel@yahoogroups.com
Sent: Thursday, November 06, 2003 14:34
Subject: Re: [biofuel] Microturbin
with high temperature exhaust.
Greg H.
- Original Message -
From: Alan Petrillo
To: biofuel@yahoogroups.com
Sent: Thursday, November 06, 2003 14:45
Subject: Re: [biofuel] Microturbines vs fuel cells
Greg and April wrote:
> It was soon after the M-1 made it to Europe and
Greg and April wrote:
> Possibly, it was what I was told by a friend sometime ago, that was taking a
> course in school, and one of the problems that they were working on, of
> course it could of been something else, it was 10 - 15 yrs ago.
Noted.
> As for the aircraft, don't forget that with
evels released at
the car's tailpipe.
http://www.aardvark.co.nz/pjet/chrysler.shtml
Greg H.
- Original Message -
From: Greg and April
To: biofuel@yahoogroups.com
Sent: Thursday, November 06, 2003 17:08
Subject: Re: [biofuel] Microturbines vs fuel cells
Possibly, it was
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