User contributions for Offonoffoffonoff
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14 December 2008
- 21:3021:30, 14 December 2008 diff hist +53 Point Focus Thermal Systems →Cost Calculations
- 21:2421:24, 14 December 2008 diff hist +270 Point Focus Thermal Systems →Cost Calculations
- 21:1921:19, 14 December 2008 diff hist +256 Point Focus Thermal Systems →Introduction
19 September 2008
- 06:0506:05, 19 September 2008 diff hist +4 Acetylene production No edit summary
- 06:0406:04, 19 September 2008 diff hist +1,318 N Acetylene production New page: Acetylene (useful for oxy-acetylene welding) is produced by reacting Calcium carbide (CaC2) with water. Calcium carbide is generated by the carbothermic reduction of lime (CaO) at 2000C...
- 05:4705:47, 19 September 2008 diff hist +59 Industrial Swadeshi No edit summary
22 August 2008
- 23:0223:02, 22 August 2008 diff hist +744 Linear Fresnel Solar Concentrator No edit summary
- 22:5322:53, 22 August 2008 diff hist +2,025 Linear Fresnel Solar Concentrator →the limits of concentration
- 22:2922:29, 22 August 2008 diff hist +5 Linear Fresnel Solar Concentrator →Implementation dependant losses and issues
- 22:2922:29, 22 August 2008 diff hist +7,678 Linear Fresnel Solar Concentrator No edit summary
- 20:3220:32, 22 August 2008 diff hist +2,100 N Linear Fresnel Solar Concentrator A description of the theory of linear fresnel concentrators
- 20:0320:03, 22 August 2008 diff hist +22 Solar Concentrators →Example
17 August 2008
- 19:0419:04, 17 August 2008 diff hist 0 N File:First panel andben.jpg No edit summary
- 19:0319:03, 17 August 2008 diff hist 0 N File:First panel2.jpg No edit summary
- 19:0219:02, 17 August 2008 diff hist 0 N File:First panel.jpg No edit summary
- 19:0119:01, 17 August 2008 diff hist +1,459 N Solar Turbine Implementation New page: This is a log of the implementation process, dead ends and all. ==The First Reflector== The first idea to be implemented was a 4'x 8' tensioned plywood panel covered in aluminum foil (la...
6 August 2008
- 19:5919:59, 6 August 2008 diff hist +2,428 N Sun-tracking New page: == Feedback based tracking == Feedback based tracking relies upon a light sensitive electronic circuit which adjusts the inclination of the reflectors to maximize the amount of light rece...
15 July 2008
7 July 2008
- 20:5520:55, 7 July 2008 diff hist +2 Solar Collector Calculations →Theoretical maximum achievable temperature
- 20:5520:55, 7 July 2008 diff hist +113 Solar Collector Calculations →Theoretical maximum achievable temperature
- 20:5020:50, 7 July 2008 diff hist +253 Solar Collector Calculations →Theoretical maximum achievable temperature
- 20:3620:36, 7 July 2008 diff hist +97 N File:Systemeff.jpg Made on mathematica Multiplication of Absorber efficiency curves with Carnot cycle efficiencies.
- 20:3520:35, 7 July 2008 diff hist +42 Solar Collector Calculations →Theoretical maximum achievable temperature
- 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
