HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
Charles Murray
User Rank
Blogger
Microns???
Charles Murray   4/23/2014 6:18:26 PM
NO RATINGS
100 microns X 100 microns X 5 microns??? Yikes! I realize this isn't a traditional IC engine, but the size is still mind-boggling. A few years agom, we wrote about the Conley Stinger engine, which had a 0.9-inch stroke. I thought that was small.

http://www.designnews.com/document.asp?doc_id=251002

 

William K.
User Rank
Platinum
Re: Efficiency
William K.   4/16/2014 10:32:36 PM
NO RATINGS
I also wonedr about the efficiency, and in addition, why anyone would consider salt water to be a fuel, since by definition a fuel delivers energy by a chemical reation, and is converted into a substance with less chemical potential energy. So if the salt water is recovered at the end of a cycle it did not release any chemical energy. So it could be called a working fluid but it should not be called a fuel. The input power is the electricity used to electrolyse the saltwater into whatever is produced and then re-combined. So really the invention is an electric motor, not a fuel consuming engine.

And one more question is about how useful work would be captured from this device, and would it still function if work were taken out.

Ratsky
User Rank
Platinum
Re: Efficiency
Ratsky   4/16/2014 10:33:33 AM
NO RATINGS
I agree, but would suggest that it be labeled with the common term "electric motor" since it is in fact turning electric energy into mechanical motion.  I guess that term wouldn't have as much success in gaining PR, though.

Ratsky
User Rank
Platinum
Saltwater???
Ratsky   4/16/2014 10:30:17 AM
NO RATINGS
If I recall my ancient electrochemical knowledge correctly, electrolysis of saltwater does NOT yield hydrogen and oxygen, but rather sodium hydroxide (lye) and gaseous chlorine.  This is the basis of the entire chloralkalai industry!  I'm not surprised they haven't figured out what really happens inside this tiny device, since they don't seem to understand this very basic (grade-school science in my day) fact.

AJ2X
User Rank
Silver
Re: Efficiency
AJ2X   4/16/2014 8:57:57 AM
NO RATINGS
This does not seem to be an internal combustion engine in the usually-accepted sense.  Rather, it appears to be an electric engine (since that's the only fuel consumed) in which it is conjectured that the working fluid, after disassociating, spontaneously combusts.  It doesn't seem to me that heat or heat efficiency enters into it at all.  It's an interesting little motor but not an internal combustion engine.

tekochip
User Rank
Platinum
Efficiency
tekochip   4/16/2014 8:03:44 AM
NO RATINGS
Sounds interesting.  So, the fuel is not consumed because the gas is reabsorbed?  What sort of efficiency do they see?




Partner Zone
Latest Analysis
Samsung's Galaxy line of smartphones used to fare quite well in the repairability department, but last year's flagship S5 model took a tumble, scoring a meh-inducing 5/10. Will the newly redesigned S6 lead us back into star-studded territory, or will we sink further into the depths of a repairability black hole?
Fifteen European research centers have launched EuroCPS to help European companies develop innovative products for the Internet of Things.
Get your Allman Brothers albums ready. The iconic Volkswagen Microbus may be poised for a comeback, and this time it could be electric.
In 2003, the world contained just over 500 million Internet-connected devices. By 2010, this figure had risen to 12.5 billion connected objects, almost six devices per individual with access to the Internet. Now, as we move into 2015, the number of connected 'things' is expected to reach 25 billion, ultimately edging toward 50 billion by the end of the decade.
NASA engineer Brian Trease studied abroad in Japan as a high school student and used to fold fast-food wrappers into cranes using origami techniques he learned in library books. Inspired by this, he began to imagine that origami could be applied to building spacecraft components, particularly solar panels that could one day send solar power from space to be used on earth.
More:Blogs|News
Design News Webinar Series
3/31/2015 11:00 a.m. California / 2:00 p.m. New York
2/25/2015 11:00 a.m. California / 2:00 p.m. New York
12/11/2014 8:00 a.m. California / 11:00 a.m. New York
5/7/2015 11:00 a.m. California / 2:00 p.m. New York
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Apr 20 - 24, Taking the Internet of Things to the Cloud
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6 |  7


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Last Archived Class
Sponsored by Proto Labs
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2015 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service