دفاية,سخان متميزين !!!HHOHHU
 

HHOHHU has developed a self-contained home heating unit that utilizes water as its fuel. Electrolysis is used to split the water molecule into hydrogen and oxygen, which is burned to generate the heat. They say their first version of the HHOHHU draws ~450 Watts and can heat 1,000 square feet.
They sell plans for the system to enable people to build one of these from parts available from the local hardware store.
A patent was filed in January 2009, just prior to making the plans available. The company is quasi open sourcing the design for further development. Devices can be made for personal use, but commercial development needs to be licensed with the company. A kit is coming soon which will result in a unit 20x20x8 inches that will heat 1,000 square feet. Meanwhile, they also have some of they key components, such as the two cells involved, available for purpose now. They are also working on gearing up to mass produce these. They are also working on a hybrid furnace conversion system that could run along side existing furnaces to augment them.
They say they have sold hundreds of copies of the plans, and have not had any refund requests; with several known successful replications personally witnessed. While their plans describe how to make every component, they do make some of the more difficult components available for sale, such as the two cells, the case, the flash arrester, and the heat sinks.
The savings on energy is supposedly enough to pay for the materials within as little as three months. Their electrolysis system draws from the best hydroxy technology they've seen, each cell producing 2 liters per minute, at 12.5 amps and 12 volts. The key to their system is the heat exchanger that extracts the heat from the very unusual flame that has been shown to be able to melt tungstun in just a few seconds. They also put to use the heat generated from the power controller, the electrolysis, and even the fan.
As of Feb. 21, 2009, PES Network, Inc. is in discussion with HHOHHU to provide PESWiki as the preferred destination for coordinating the open sourcing portion of this technology.

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HHO Home Heating Unit - YouTube
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رد: دفاية,سخان متميزين !!!HHOHHU
 

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رد: دفاية,سخان متميزين !!!HHOHHU
 

Also there is CHP, or combined heat and power. The energy efficiency of most thermal power stations is around 30-45%, with the remaining 70-55% of energy simply thrown away as “waste” hot water or saturated steam (info on that and CHP here and here). CHP proposes to use this heat for some useful purpose, such as running some thermal industrial process, or pumping the hot water into a district heating system. Many EU countries already utilize CHP heavily so its proven technology, and the choice of fuels is more varied (from biomass to refuse as well as the more traditional coal and natural gas). Using CHP we can raise the effective efficiency of power generation from its present level (33-45%), to between 60-80%. At present CHP probably represents the easiest and most effective way of reducing carbon emissions, and reducing fossil fuel consumption. Using so-called Tri-Generation (paper on this topic here) it can also be used in conjunction with a heat pump to provide a large cooling load in summer.



Figure 4.9 – High efficiency micro CHP units such as this can be run of off a variety of different fuels, save energy, reduce carbon emissions and serve to diversify electricity generation helping to supplement more intermittent renewable resources [Credit: Lowenergyhouse.com]

However, the CHP plant must be located close to the source of heat demand and most power stations are built some distance away from most cities. Fortunately CHP plant can be sized from multi giga-watt power stations right down to the scale of units to fit a small flat (so called Micro-CHP).
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رد: دفاية,سخان متميزين !!!HHOHHU
 

MR_astra

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رد: دفاية,سخان متميزين !!!HHOHHU