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Party Like it's 1899: Honda Researches Steam Hybrids
 Date: February 20, 2008 09:04
 Submitted by:  JeffX
 Source: GreenCarCongress.com
 Credibility Rating: Not Specified


This little news item dates back several days, but we just stumbled across it and thought it was an interesting tech bit.

Last week in San Diego, Honda presented a technical paper at the 2008 SAE Hybrid Vehicle Technology Symposium which details their research on a system designed to improve the overall thermal efficiency of a hybrid powertrain. The system involves reclaiming some of the (waste) heat energy developed by the vehicle's internal combustion engine and converting it back into electricity, which would be captured in the vehicle's battery pack.

To this end, Honda is researching the application of a Rankine cycle system, a simple closed thermodynamic system that converts heat into work. This conversion is achieved typically by heating water to create steam, which is expandsed through a turbine to drive a generator.

Honda's design sources the heat energy from the vehicle's exhaust system. Honda prototyped the system on a 2.0L Honda Stream and reports a 3.8% net gain in thermal efficiency at 100kph. The figure sounds a little small, but this is clearly something that's still in the research phase.

Read more about it at Green Car Congress






Last edited by JeffX on February 20, 2008 09:27

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Date Subject User
02-20-2008 09:35
Why Water?   (Score: 1, Normal)
Varmint
02-20-2008 10:20
Re: Why Water?   (Score: 1, Normal)
buddha
02-20-2008 10:44
Re: Why Water?   (Score: 1, Normal)
papapoly
02-20-2008 11:02
Re: Why Water?   (Score: 1, Normal)
Tosa1962
02-20-2008 12:24
Re: Why Water?   (Score: 1, Normal)
Varmint
02-20-2008 12:31
Re: Why Water?   (Score: 1, Normal)
Bustanovich
02-20-2008 13:41
Re: Why Water?   (Score: 1, Normal)
CarPhreakD
02-20-2008 22:53
Re: Why Water?   (Score: 1, Normal)
Frodo01
02-21-2008 01:41
Re: Why Water?   (Score: 1, Normal)
blackstripe77
02-20-2008 11:09
Re: Why Water?   (Score: 1, Normal)
h2power
02-20-2008 11:28
Re: Why Water?   (Score: 1, Normal)
Ezmerelda
02-20-2008 11:35
Re: Why Water?   (Score: 1, Normal)
HONDA AFVM
02-20-2008 14:03
Re: Why Water?   (Score: 1, Normal)
Powered by Honda
02-20-2008 16:41
Re: Why Water?   (Score: 1, Normal)
h2power
02-20-2008 19:29
Re: Why Water?   (Score: 1, Normal)
VTECaddict
02-20-2008 18:32
Re: Why Water?   (Score: 1, Normal)
Smoke_Jaguar4
02-21-2008 05:16
Re: Why Water?   (Score: 1, Normal)
PreludeSH
02-21-2008 05:16
Re: Why Water?   (Score: 1, Normal)
PreludeSH
02-21-2008 10:45
Re: Why Water?   (Score: 1, Normal)
HONDA AFVM
02-22-2008 11:51
Re: Why Water?   (Score: 1, Normal)
Nick GravesX
02-21-2008 18:41
Re: Why Water?   (Score: 1, Normal)
TonyEX
02-24-2008 04:28
Re: Why Water?   (Score: 1, Normal)
floundericiousMI
02-22-2008 02:58
Re: Why Water?   (Score: 1, Normal)
rob-tec
02-26-2008 19:05
Re: Why Water?   (Score: 1, Normal)
Ragin69
02-22-2008 20:34
Forget Hybrid Steam, 6-Stroke Steam is the Way   (Score: 1, Normal)
Fongu
02-22-2008 23:10
Re: Forget Hybrid Steam, 6-Stroke Steam is the Way   (Score: 1, Normal)
Smoke_Jaguar4
02-20-2008 10:06
Now where talking!   (Score: 1, Normal)
HONDA AFVM
02-20-2008 10:09
Re: Now where talking!   (Score: 1, Normal)
HONDA AFVM
02-20-2008 10:13
not so fast   (Score: 1, Normal)
JeffX
02-20-2008 10:29
Re: not so fast   (Score: 1, Normal)
HONDA AFVM
02-20-2008 10:41
Re: not so fast   (Score: 1, Normal)
TonyEX
02-20-2008 12:21
Re: not so fast   (Score: 1, Normal)
Varmint
02-20-2008 14:20
Re: not so fast   (Score: 1, Normal)
HONDA AFVM
02-20-2008 14:22
Re: not so fast   (Score: 1, Normal)
CarPhreakD
02-20-2008 14:24
Re: not so fast   (Score: 1, Normal)
CarPhreakD
02-20-2008 17:16
Re: not so fast   (Score: 1, Normal)
HONDA AFVM
02-20-2008 17:26
Re: not so fast   (Score: 1, Normal)
HONDA AFVM
02-21-2008 12:51
Re: not so fast   (Score: 1, Normal)
Varmint
02-22-2008 12:32
Re: not so fast   (Score: 1, Normal)
HONDA AFVM
02-22-2008 13:44
Re: not so fast   (Score: 1, Normal)
Varmint
02-21-2008 18:28
Re: not so fast   (Score: 1, Normal)
TonyEX
02-20-2008 14:51
Re: not so fast   (Score: 1, Normal)
Hondasrule
02-21-2008 18:35
Re: not so fast   (Score: 1, Normal)
TonyEX
02-22-2008 12:15
Re: not so fast ...................TonyE   (Score: 1, Normal)
HONDA AFVM
02-22-2008 13:40
Re: not so fast ...................TonyE   (Score: 1, Normal)
Varmint
02-22-2008 16:04
Re: not so fast ...................TonyE   (Score: 1, Normal)
HONDA AFVM
02-22-2008 16:50
Re: not so fast ...................TonyE   (Score: 1, Normal)
HONDA AFVM
02-20-2008 19:48
How bout heat from the engine?   (Score: 1, Normal)
ipribadi
02-21-2008 14:46
Re: How bout heat from the engine?   (Score: 1, Normal)
RSX
02-22-2008 10:37
Re: How bout heat from the engine?   (Score: 1, Normal)
ipribadi
02-20-2008 13:00
On TOV forums a few days ago   (Score: 1, Normal)
danielgr
02-20-2008 10:31
BMW had similar concept awhile ago   (Score: 1, Normal)
_Alex_
02-20-2008 10:55
Re: BMW had similar concept awhile ago   (Score: 1, Normal)
pezones
02-20-2008 12:58
Re: BMW had similar concept awhile ago   (Score: 1, Normal)
danielgr
02-20-2008 12:16
considerable increase in efficiency   (Score: 1, Normal)
tomek
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