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7 July 2008
- 20:2920:29, 7 July 2008 diff hist +817 Solar Collector Calculations →Theoretical maximum achievable temperature
6 July 2008
- 22:3122:31, 6 July 2008 diff hist +1 m Solar Collector Calculations →Theoretical maximum achievable temperature
- 22:3022:30, 6 July 2008 diff hist +1 m Solar Collector Calculations →Theoretical maximum achievable temperature
- 22:2922:29, 6 July 2008 diff hist +585 N File:Absorbeff.jpg Absorber efficency Vs operating temperature with effects of selective surfaces. Generated by mathematica by this code: Plot[{(20000 - (1/20)*11.3*(t - 293) - 1.86*(5.67*10^-8)*1*(t^4 - 293^4) - .03*2*(t - 293)/.5)/ 20000, (18000 - (1/20)*11.3*(
- 22:2822:28, 6 July 2008 diff hist +105 Solar Collector Calculations →Theoretical maximum achievable temperature
5 July 2008
- 22:3922:39, 5 July 2008 diff hist +1 Solar Collector Calculations →Theoretical maximum achievable temperature
- 22:3822:38, 5 July 2008 diff hist +787 Solar Collector Calculations No edit summary
- 22:1022:10, 5 July 2008 diff hist +116 Solar Collector Calculations →Theoretical maximum achievable temperature
1 July 2008
- 04:2104:21, 1 July 2008 diff hist +2 Solar Collector Calculations No edit summary
- 04:2104:21, 1 July 2008 diff hist +165 Solar Collector Calculations →Thermal losses through absorber (conduction and radiation)
- 04:1904:19, 1 July 2008 diff hist +132 Solar Collector Calculations →losses through the bottom due to radiation and conduction
- 04:1704:17, 1 July 2008 diff hist +26 Solar Collector Calculations →Thermal losses through absorber (conduction and radiation)
- 04:1604:16, 1 July 2008 diff hist +32 Solar Collector Calculations →Thermal losses through absorber (conduction and radiation)
- 04:1404:14, 1 July 2008 diff hist +579 Solar Collector Calculations →thermal losses through absorber
- 04:0204:02, 1 July 2008 diff hist +542 Solar Collector Calculations No edit summary
28 June 2008
- 21:5721:57, 28 June 2008 diff hist −398 Solar Collector Calculations No edit summary
- 21:5121:51, 28 June 2008 diff hist +462 Solar Collector Calculations →Boiling Water (to 100C)
23 June 2008
- 22:1522:15, 23 June 2008 diff hist +6 Pipe insulation No edit summary
- 22:1522:15, 23 June 2008 diff hist +165 Pipe insulation No edit summary
- 22:1322:13, 23 June 2008 diff hist +125 N File:Pipeinsulation.jpg a cutaway sketch of the use of ceramic cloth and airgaps with reflective barriers used for insulating high temperature pipes.
- 22:1122:11, 23 June 2008 diff hist +774 N Pipe insulation New page: Ceramic cloth is being used for high temperature insulation of pipes in this system. The effectiveness of this cloth can be greatly increased by using airgaps with reflective barriers. h...
- 22:0222:02, 23 June 2008 diff hist +131 Steam Cycle Integration No edit summary
5 June 2008
- 01:2601:26, 5 June 2008 diff hist +24 Closed loop system for solar turbine →Proposed system (open for peer review)
- 01:1901:19, 5 June 2008 diff hist +4,186 N Valve delivery system New page: Preheated water is to be delivered to the absorber of the Solar Turbine by the use of a system of valves controlled by solenoids. Here is an elementary sketch: Image:Valves.jpg ...
- 01:0201:02, 5 June 2008 diff hist +142 N File:Control circuit.jpg Digital control circuit for use in valve timing in the solar turbine. Designed and sketched by Elliot Hallmark, free for reuse by the world.
- 00:5100:51, 5 June 2008 diff hist +285 Closed loop system for solar turbine →Proposed system (open for peer review)
- 00:4100:41, 5 June 2008 diff hist +144 N File:Heatexchanging.jpg copied from "medium and high temperature solar processes" by Kreider, Jan. Published by Academic press, New York, in 1979. Isbn: 0-12-425980-4
- 00:3900:39, 5 June 2008 diff hist +342 Closed loop system for solar turbine →Proposed system (open for peer review)
- 00:3000:30, 5 June 2008 diff hist +117 N File:Valves.jpg Image of valve delivery system for distributing low energy water into the high pressure chamber of the absorber tubes
- 00:2900:29, 5 June 2008 diff hist +71 N File:Closedloop1.jpg Initial closed loop design. Free for the publish to redistribute, etc.
- 00:2500:25, 5 June 2008 diff hist +1,574 N Closed loop system for solar turbine New page: A closed loop system is proposed for the working fluid of the Solar Turbine project. An open loop system would just blow steam out into the atmosphere, which would be ideal for the pe...
- 00:0800:08, 5 June 2008 diff hist +1,352 N Steam Cycle Integration New page: A solar powered turbine is a type of heat engine, and is based upon the thermodynamics of a gas cycling through higher pressures and temperatures to lower pressures and temperatures, doing...
4 June 2008
29 May 2008
- 08:1908:19, 29 May 2008 diff hist +1,887 N Bicycle technology New page: Bicycle technology is the extension of the basic components of bicycle construction to a larger field of usefulness. The basic concept of power delivered to pedals (by arms, legs, or othe...
- 07:2407:24, 29 May 2008 diff hist +3 Industrial Swadeshi No edit summary
- 07:2307:23, 29 May 2008 diff hist +154 Industrial Swadeshi No edit summary
- 07:1507:15, 29 May 2008 diff hist +545 Non-imaging optics No edit summary
- 04:0104:01, 29 May 2008 diff hist +318 Pattern Language No edit summary
27 May 2008
- 03:2503:25, 27 May 2008 diff hist +46 Geopolymers No edit summary
- 00:1900:19, 27 May 2008 diff hist +847 N Parabolic to fiberoptic New page: [http://bidr.bgu.ac.il/BIDR/research/staff/gordon/gordon.html Jeffery Gordon] has proposed and constructed prototypes for arrays of small parabolic dishes concentrating sunlight into fiber...
- 00:1000:10, 27 May 2008 diff hist +1,484 N Non-imaging optics New page: Imaging optics used for telescopes, projectors and other visual applications are non-ideal for solar energy concentration. This is because the sun is not a point in the sky, and thus perf...
26 May 2008
- 23:5223:52, 26 May 2008 diff hist +2,782 N Methane to methanol New page: Methane is produced naturally by methanobacteria breaking down organic material in mammle intestines. Cultures of these bacteria in methane digesters can turn animal and vegetable waste ...
- 23:4523:45, 26 May 2008 diff hist +1,567 N Aluminum from clay New page: Kaolin clay is composed of aluminum and silicon (Si2Al2O5(OH)4). Reduction of Kaolin would then result in an aluminum/silicon alloy. In practice, carbides (usually SiC) resist further re...
- 23:3023:30, 26 May 2008 diff hist +2 Silica reclamation No edit summary
- 23:2923:29, 26 May 2008 diff hist +1,261 N Silica reclamation New page: Silica (Si02) is often blended with other compounds for coloring or other purposes. Inorder to obtain highly pure silica (fused quartz for lenses or other optical purposes), these sources...
- 23:0523:05, 26 May 2008 diff hist +2,111 N Geopolymers New page: Geopolymerization is the process of polymerizing silica and alumina containing minerals with the use of alkali solvents. Discovered (or rediscovered) by Josheph Davidiots, geopolymer ceme...
- 21:5021:50, 26 May 2008 diff hist +1,192 N Aluminosilicate chemistry New page: Aluminosilicate chemistry is the inorganic counterpart to organic chemistry, based on the manipulation of the many varieties of silica and alumina containing materials on the earth. Altho...
- 21:2521:25, 26 May 2008 diff hist +72 Industrial Swadeshi →Introduction
- 21:0821:08, 26 May 2008 diff hist −94 Elliot Hallmark No edit summary
- 01:2801:28, 26 May 2008 diff hist −469 Main Page Old →CEB Press