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HHO Generator Dry cell high output low volt

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HHO Generator low volt high output dry cell ,hho torch improvement
also shows different flame sizes for corresponding wattage.HHO Generator.Oxyhydrogen is a mixture of hydrogen (H2) and oxygen (O2) gases. This gaseous mixture is used for torches to process refractory materials and was the first[1] gaseous mixture used for welding. Theoretically, a ratio of 2:1 hydrogen:oxygen is enough to achieve maximum efficiency; in practice a ratio 4:1 or 5:1 is needed to avoid an oxidizing flame.[2]

This mixture may also be referred to as knallgas (Scandinavian and German; "bang-gas"), although some authors define knallgas to be a generic term for the mixture of fuel with the precise amount of oxygen required for complete combustion, thus 2:1 oxyhydrogen would be called "hydrogen-knallgas".[3]

Brown's gas[4] and HHO are fringe science terms for a 2:1 mixture of oxyhydrogen obtained under certain special conditions; its proponents claim that it has special properties. Oxyhydrogen will combust when brought to its autoignition temperature. For the stoichiometric mixture, 2:1 hydrogen:oxygen, at normal atmospheric pressure, autoignition occurs at about 570 °C (1065 °F).[5] The minimum energy required to ignite such a mixture with a spark is about 20 microjoules.[5] At standard temperature and pressure, oxyhydrogen can burn when it is between about 4% and 95% hydrogen by volume.[5]

When ignited, the gas mixture converts to water vapor and releases energy, which sustains the reaction: 241.8 kJ of energy (LHV) for every mole of H2 burned. The amount of heat energy released is independent of the mode of combustion, but the temperature of the flame varies.[6] The maximum temperature of about 2,800 °C (5,070 °F) is achieved with an exact stoichiometric mixture, about 700 °C (1,292 °F) hotter than a hydrogen flame in air.[7][8][9] When either of the gases are mixed in excess of this ratio, or when mixed with an inert gas like nitrogen, the heat must spread throughout a greater quantity of matter and the temperature will be lower.[6]

Production[edit]
A pure stoichiometric mixture may be obtained by water electrolysis, which uses an electric current to dissociate the water molecules:

electrolysis: 2 H2O → 2 H2 + O2
combustion: 2 H2 + O2 → 2 H2O
William Nicholson was the first to decompose water in this manner in 1800. The energy required to generate the oxyhydrogen always exceeds the energy released by combusting it, even at maximum efficiency, the input energy of a closed system will always equal the output energy, as the first law of thermodynamics states. (See Electrolysis of water#Efficiency).

Applications[edit]

Limelights used an oxyhydrogen flame as a high-temperature heat source
Lighting[edit]
Many forms of oxyhydrogen lamps have been described, such as the limelight, which used an oxyhydrogen flame to heat a piece of lime to white hot incandescence.[10] Because of the explosiveness of the oxyhydrogen, limelights have been replaced by electric lighting.

Oxyhydrogen blowpipe[edit]

Nineteenth century bellows-operated oxy-hydrogen blowpipe,

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