Recent content by christian everett

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    I Non-aquaeous expansion medium for a reactor

    So I'm not getting an answer to my question here.
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    I Non-aquaeous expansion medium for a reactor

    It probably wouldn't be very difficult to find a material with a better pressure/temperature curve than water. Energy would have to be expended to inject the condensed liquid back into the expnsion chamber, but maybe a thousand times as much energy would be generated when the material turns...
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    I Non-aquaeous expansion medium for a reactor

    The non-aquaeous expansion medium could be recycled in a closed loop after being heated by the molten sodium loop...by cooling back to the liquid phase with another loop, which could be water... In this way the input and output temperature could be regulated so that a change of a few tens...
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    I Non-aquaeous expansion medium for a reactor

    I wanted to ask whether it might be feasible and advantageous to use an expansion medium other that water to go from liquid to vapor to turn a turbine to generate electicity in a reactor. Because of water's very high specific heat and heat of vaporiaztion, would it be possible find another...
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    Reducing the Temperature of the Hall-Héroult Process

    I am interested in whether it may be possible to reduce the temperature of the Hall-Héroult process for the electrolytic smelting of aluminum by using Li3AlF6 instead of cryolite (Na3AlF6) as the solvent for the aluminum oxide, and if this might be advantageous over current methods. Li3AlF6...
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    Could Hydrogen Sulfide Improve the Kraft Process?

    I am guessing that just pure hydrogen sulfide, gaseous or liquified under pressure without the sodium, would effect the depolymerization of lignin which is the goal of the Kraft process. Hydrogen sulfide can be produced by treating hydrogen directly with molten elemental sulfur at about 450...
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    Replace Kroll Process: Extracting Titanium Dioxide from Rutile

    I was interested in whether titanium dioxide might be extracted from the silicon dioxide and iron oxide present in rutile by the use of hydrogen fluoride. The silicon tetrafluoride that is formed would be removed as a gas. Then the titanium tetrafluoride would be vaporized at 277.5 °F...
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    I Is a Single Bearing Pedal Possible for Bicycles and Motorcycles?

    I have seen motorcycles and bicycles with only one front fork and I was wondering if the mechanics would be similar enough to make it possible to manufacture a bicycle pedal that has only one bearing where the pedal screws into the crank and no shaft passing through the body of the pedal...
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    I Move the Earth Away from the Sun

    If it's momentum not kinetic energy then it's a no go with current technology. The fundamental premise of moving the Earth/Moon system by applying force only to the Moon, which was highly speculative, was sound though. So how much energy, in kilograms or metric tons of pure energy would it take...
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    I Move the Earth Away from the Sun

    OK, I got the low mass of 17,000 tons from the Earth being 55 quintillion tons and Kinetic Energy = 1/2 mass x (velocity squared). So the speed of light 186,000 miles per second squared (34,596,000,000) times 3600 seconds in an hour squared (12,960,000). You didn´t factor in the 12,960,000...
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    I Move the Earth Away from the Sun

    Well, this isn't a reaction to global warming, rather it's to keep the Earth from getting burned up when the Sun expands into a red giant, something which is as necessary as deflecting or destroying asteriods which might collide with the Earth..
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    I Move the Earth Away from the Sun

    I was interested in whether it would be possible to move the Earth away from the Sun by using two ion drives on the Moon. One Ion drive on the far side of the Moon would operate briefly while the Moon was exactly between the Sun and the Earth. The other ion drive on the side facing the...
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    Thermal Expansion to Retain a Bolt

    I have 1" aluminum rod and I want to dril a hole in a steel structure for the bolt. If I have a 1" drill and take .001" inches off of it at the machine shop, so that it is now 0.998 inches, there will have to be about a 200°C difference in temperature between the two articles (aluminum...
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    Alternate Heat Expansion Media for Nuclear Power Plants

    I am interested in whether it might be possible to select a more efficient heat expansion media for nuclear power plants than water, which has a very specific heat and a very high heat of vaporization. The high value of the specific heat and the heat of vaporization of water requires much...
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    I Are 55% Efficient Peltier Coolers Using Vacuum Technology Real?

    A company claims to have developed Peltier coolers that are 55% efficient by using a hard vacuum as the separate zone between cold and hot. . I can´t get them to respond to me. Is it a scam? If these devices actually work why haven´t we seen any in consumer devices?
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