"CWatters" > wrote in message
o.uk...
> On 26/01/2011 04:15, GreenXenon wrote:
>> Hi:
>>
>> I’m thinking of hypothetical oxyhydrogen-fired radiant heater in which
>> the significant emitter of thermal radiation is the flame itself.
>>
>> In terms of oxidant/fuel ratio, the flame is lean – more oxygen than
>> hydrogen. Oxygen [O2] is the only oxidant to burn the fuel.
>>
>> Each and every molecule of the hydrogen is fully-oxidized by the
>> oxygen. There is also an additional oxygen pumped in with the
>> oxyhydrogen mixture to ensure that there all hydrogen molecules are
>> completely burned into water molecules. This is so that there is no
>> unburned hydrogen to any extent.
>>
>> There are 6 sides to this radiant heater. Left, right, back, front,
>> up, and down. The height of the left, right, front and back are the
>> same. The top and bottom are shorter in length than the heights of the
>> aforementioned. However, the top and bottom are of the same width as
>> the widths of the left and right. The front of the heater is what
>> faces the object intended to be heated. The front consists of eco-
>> friendly material that is completely transparent to all EM radiation
>> from 100,000 nm to 300 nm. The interior of the back of the heater
>> consists of eco-friendly material that completely reflects all
>> wavelengths of EM radiation from 100,000 nm to 300 nm. The interiors
>> of the left and right of the panel also consist of eco-friendly
>> material that totally reflects wavelengths of EM radiations from
>> 100,000 nm to 300 nm. The bottom of the panel is where the flame is
>> emitted. The length of the flame is almost as long as the bottom of
>> the panel. The top of the panel is where hot gases from the combustion
>> escape – this is the exhaust and is as long as the flame. The material
>> on the front of this heater has a low-enough heat conduction
>> coefficient that it remains perceptibly cool even though it allows
>> thermal radiation to escape outward.
>>
>> There are three pipes attaches to the bottom of this heater. One
>> carries the hydrogen, while the other two carry oxygen.
>>
>> This infrared heater is air-tight prior to combustion. Also, prior to
>> combustion, the only gas present in the heater is additional amount of
>> oxygen. There is a sufficient amount of oxygen [but not more] such
>> that the air pressure inside the heater equates to the air pressure
>> outside the heater – this is to prevent any damage to the heating
>> panel caused by pressure differences. Just before ignition of the
>> fuel, the correct amount of oxygen is removed such that the high-
>> temperature of the flame does not raise the internal air pressure to
>> the point of damage. Also, the ignition is smooth and completely non-
>> explosive. Just prior to the ignition, an adequate amount of hydrogen
>> and oxygen are discharged into the heater in the slow, smooth,
>> continuous manner. Now, when the amount of the oxyhydrogen mixture is
>> enough for ignition and self-sustaining combustion, an electric spark
>> is discharged which causes the fuel to catch fire. The amount of flame
>> is adjustable in terms of height and width – however the length is
>> constant. At the lowest setting there is just enough flame for the IR
>> radiation to be perceptible as warmth. At the highest setting the
>> flame nearly fills up the entire heating panel.
>>
>> I’m thinking of two applications for this radiant heater:
>>
>> 1. Use mild versions of the heater in cold parts of the world in
>> outdoor public places to keep citizens warm – such as the roof-tops
>> dining locations of restaurants in Northern Europe, where the climate
>> is often cold and wet.
>> 2. More intense versions of this heater can be used to cook food
>> "medium rare". Think charred pork that’s bloody red on the inside.
>>
>>
>> Thanks,
>>
>> Green Xenon
>
> Fantastic idea, the steam produced could even be used to cook the
> vegtables.
>
> I suggest you would be better spending your time building one instead of
> wasting time telling the world about it.

Maybe something that is not cost prohibitive to produce, and/or operate.