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Stressed Combustion and Hydrogen Boost

 

          With the many hydrogen assist competitors on the internet and confusion caused by lack of understanding by many about how hydrogen assist works, and with my continuing effort to assert that a complete system is needed to improve mileage, except in rare cases, I have decided to give a little lesson on hydrogen assist.  First let me reiterate my long emphasized statement, quoting directly from our web site home page, “The complete system is required to expect considerable increase in mileage on your vehicle.”  I have been saying this for six years and even have two whole web pages devoted to explaining why this is the case ( www.hydrogen-boost.com/complete.html  and www.hydrogen-boost.com/savefuel.html ). 

Now I will explain my understanding of the exceptions to that rule.  It all relates to a new term I have introduced called “Stressed Combustion,” which I will define as operating conditions in which the air/fuel mixture does not combust optimally. 

There are times and conditions under which the engine runs smoothly because it is designed well for these conditions (idle, cruise, deceleration).  Then there are times and conditions when we are pushing the operating envelope of the engine.  It was not designed to operate best in these conditions because of design limitations and materials limitations.  These conditions when the engine is pushing the limits of the design, the operating envelope, would be considered times of stressed combustion. 

Examples of stressed combustion conditions are: RPM lower than normal idle RPM, High RPM, cold engine temperature, humid intake air, high throttle settings especially for long periods, heavy loads, excessive heat or cold, excessively rich or lean air/fuel mixtures, and any other conditions that can cause hesitation, skipping, bucking, spark knock, stalling, heavy exhaust emissions, and  worse than normal mileage.  These are the conditions under which the benefit of hydrogen assist is easily noticed because the hydrogen will help ignite the combustion mixture better than without the hydrogen, thereby increasing the combustion efficiency.

Normally a vehicle is not operating under these stressed combustion conditions, except during engine warm-up.  So during normal vehicle operation there are few times when the benefits of hydrogen assist can be taken advantage of.  Hence my statement, “The complete system is required to expect considerable increase in mileage on your vehicle.”  However if your hydrogen booster is installed on a work vehicle that often uses heavy throttle because of heavy loads or under other stressed combustion conditions, there may be a benefit to the hydrogen assist alone.  For most people interested in good mileage there are seldom such conditions.  Good mileage drivers typically drive slower, with smoother acceleration and deceleration, and keep their loads minimized.  They combine trips to drive more when their engine is warm and drive in conditions when their engine performs efficiently.  So is hydrogen assist a benefit to them or not?  Can we create good mileage by creating operating conditions that normally cause stressed combustion?  Yes we can and do with the Complete Hydrogen Boost system.

With the addition of our electronic control circuit we lean out the air/fuel mixture.  This forces us to open the throttle more to get the same power output.  This removes some of the restriction to the intake air flow and thereby reduces the pumping horsepower required to suck the air into the engine.  This leaning of the air/fuel mixture creates a stressed combustion condition that allows us to take advantage of the hydrogen assist.  The fuel heater of our complete system heats up the gasoline so that more of the injected fuel will vaporize so it is prepared for combustion.  Remember liquid fuel does not combust.  Only the vaporized fuel can combust.  The fuel heater partially relieves the stressed combustion condition by making more of the lean ratio fuel available for immediate combustion.  This allows us to further lean the mixture so we can depend on the hydrogen to help ignite the mixture. 

Does all this mean that if you had hydrogen assist you could get better than normal mileage by driving your vehicle under stressed combustion conditions, like one customer thought?  Absolutely not.  If you already drive like that you could get some benefit to hydrogen assist but you are not going to get better than normal mileage.

 

Summary:  Stressed combustion conditions can benefit from hydrogen assist.  Techniques can be used to improve normally good mileage by forcing the vehicle to operate with an ultra-lean air/fuel mixtures and relieving that stressed combustion condition with hydrogen assist.  But, adding hydrogen assist alone to a vehicle not already operating in stressed combustion conditions WILL NOT increase mileage.

 

 

 

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