Forum : Sustainable Engineering

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Discussion Threads

Create Date / Rating Title / Poster	Last Post	Comments	Views
11/26/2009 12:08 AM liquid friction equation by Anonymous Poster	Last post: 01/15/2010 5:03 AM by maitland	25	470
01/07/2010 2:04 AM Entertaining and Informative, Ancient Engineering by naturalextraction	Last post: 01/11/2010 11:53 PM by C-Mac	3	259
01/06/2010 4:23 PM Water Storage Heater by miik999	Last post: 01/11/2010 11:34 AM by PWSlack	51	640
01/09/2010 7:15 AM Voltage drop by kennynabb6	Last post: 01/09/2010 9:04 AM by JohnDG	1	144
01/06/2010 2:20 PM Let's put our brains together for our earth by chtank	Last post: 01/07/2010 6:58 AM by wcfloyd	2	221
08/24/2009 11:25 AM Improved methods of animal powered transportation & cultivation by Garthh	Last post: 01/04/2010 5:23 PM by saddlechariot	23	478
01/01/2010 11:35 PM spiral tractor - electric vehicle without a battery by Brother Joseph	Last post: 01/03/2010 10:41 AM by Anonymous Poster	4	249
12/16/2009 10:17 AM How Much Energy Gets Saved? by Anonymous Poster	Last post: 12/28/2009 2:34 PM by bwire	9	257
12/02/2009 9:53 AM No-Head Water Wheel Tidal Dynamo / Motor Question by riverkeeper	Last post: 12/27/2009 9:12 AM by schoolouse	16	401
12/11/2009 1:11 PM Bio Butanol Breakthrough by Garthh	Last post: 12/26/2009 6:41 AM by sceptic	12	361
12/12/2009 10:30 AM Setback for Geothermal Energy by cwarner7_11	Last post: 12/24/2009 12:24 PM by nukesub629	15	371
11/06/2009 5:16 AM Compressor for Bio Gas by walterweiss	Last post: 12/20/2009 8:04 PM by vicini	8	320
08/27/2009 5:04 PM The Great Climate Change Hijack by JohnDG	Last post: 12/18/2009 5:09 AM by sceptic	7	300
08/24/2009 2:19 AM How to Calculate Carbon Crdits by Anonymous Poster	Last post: 12/17/2009 9:08 PM by sceptic	7	360
12/04/2009 8:11 PM New Micro Hydro Plant by Anonymous Poster	Last post: 12/11/2009 10:54 AM by Anonymous Poster	13	474
12/07/2009 8:28 PM Valve and Sump for Gray Water System by djhelliweld	Last post: 12/09/2009 3:03 PM by marcot	5	203
12/02/2009 3:30 AM Solar Water Heating Data Need by ydrah	Last post: 12/07/2009 7:56 PM by ydrah	12	281
12/31/2007 10:14 PM biogas operated small refrigerators by surmil	Last post: 12/04/2009 7:25 PM by Anonymous Poster	24	1170
12/02/2009 2:23 PM inventor by Anonymous Poster	Last post: 12/03/2009 7:38 PM by DVader1000	3	139
11/25/2009 5:17 PM high torque toroid? by Anonymous Poster	Last post: 11/25/2009 6:37 PM by jack of all trades	4	105
11/25/2009 5:54 AM about energy consumption in whole life cycle of compact fluorescent lamps by Anonymous Poster	Last post: 11/25/2009 6:58 AM by jayasankar	1	103
11/06/2009 7:25 PM Why are all the geothermal pumps electrical? by notanengineer	Last post: 11/24/2009 3:29 PM by Icarus	29	595
11/21/2009 12:07 PM Wind Turbine Blades by miik999	Last post: 11/24/2009 10:58 AM by Don103	6	382
05/07/2009 2:03 AM Connecting Wind Turbines to the Grid by Ani-Luo ; also posted in Electrical Engineering	Last post: 11/23/2009 6:40 PM by Anonymous Poster	14	525
11/19/2009 9:45 PM What Does That Sentence in Bold Mean? by wingman1985	Last post: 11/22/2009 7:27 PM by tcmtech	19	454
02/18/2009 6:46 PM Hydrothermal Energy is Now a Reality by bcmarshall	Last post: 11/21/2009 4:16 AM by bcmarshall	122	1311
02/19/2009 1:59 AM Low-Cost Desalination Technologies? by Hari sharma	Last post: 11/16/2009 3:21 PM by iticenter	15	394
06/06/2009 6:23 AM Which is More Sustainable – Vegetation to Methane Gas or Vegetation to Alcohol? by pvhramani	Last post: 11/16/2009 8:14 AM by Kyzine	130	1421
07/06/2008 11:47 AM Solar Roof Tiles by Joe.Bath	Last post: 11/12/2009 9:43 PM by Anonymous Poster	25	1097
06/18/2009 11:13 AM Book for Designing Wind Turbines? by rajeshbhanushali123	Last post: 11/12/2009 7:15 AM by aniltiwari	12	198
09/27/2009 10:44 AM Carbon Dioxide Disposal/Sequestration/Conversion by nukesub629	Last post: 11/07/2009 2:11 AM by Ca-Vin	23	294
10/28/2009 1:44 AM Renewable heating Systems by Anonymous Poster	Last post: 11/06/2009 7:12 PM by Anonymous Poster	6	126
11/04/2009 11:34 PM Designing Solar Lanterns by Anonymous Poster	Last post: 11/06/2009 5:46 AM by Kyzine	8	276
10/29/2009 4:07 AM Natural Grid by sachinp	Last post: 11/05/2009 1:13 PM by vicini	6	101
11/05/2009 3:20 AM Wind Power in Vietnam by dcongvt	Last post: 11/05/2009 9:58 AM by sue	1	172
10/30/2009 8:03 PM SOLAR POWERED GENERATOR by funtlrn	Last post: 11/03/2009 5:15 PM by Anonymous Poster	8	486
10/29/2009 9:06 AM Grenhouse Gases by VASCO	Last post: 10/31/2009 9:43 AM by VASCO	5	115
10/01/2009 9:11 AM centrifugal pump startup by truebeingpk	Last post: 10/30/2009 2:44 AM by The Prof	9	308
09/30/2009 10:09 AM Wind Mill Blades by winningdesigns	Last post: 10/29/2009 9:52 AM by winningdesigns	20	918
10/22/2009 6:29 PM How to Estimate Wind Load from Rooftop Solar Farm by Anatoli	Last post: 10/27/2009 8:30 PM by JohnDG	21	2266
10/25/2009 9:43 AM Using Renewable Energy at Car Wash by BGCW	Last post: 10/26/2009 2:05 PM by Village Technologies	22	306
10/26/2009 3:46 AM 2.5-MW GE 2.5xl by wingman1985	Last post: 10/26/2009 1:40 PM by Matt Skywalker	1	122
10/19/2009 9:13 AM Rabbit Recycling by sue	Last post: 10/23/2009 1:20 PM by Maggie1	18	321
10/19/2009 11:42 PM Sedimentation and Natural Disasters by Ram44	Last post: 10/22/2009 11:45 AM by babybear	4	174
05/12/2009 11:33 AM Frequency Conditioning as applied to "free energy" by gravity	Last post: 10/19/2009 1:29 PM by Anonymous Poster	7	144
08/12/2009 2:13 AM Fuel Economy: Acetone vs. Gasoline by SciRhine	Last post: 10/15/2009 4:33 AM by maveric_manic	17	450
05/19/2009 7:03 AM Renewable Energy Credits? by peteciliberto	Last post: 10/06/2009 9:32 AM by Anonymous Poster	4	279
09/30/2009 11:32 AM Tidal Generation by Garthh	Last post: 10/05/2009 3:01 AM by Ram44	10	224
10/01/2009 3:15 AM tns tower by Anonymous Poster	Last post: 10/01/2009 4:13 PM by jack of all trades	4	139
09/25/2009 10:57 PM Alternative energy sources bogus by Anonymous Poster	Last post: 10/01/2009 8:15 AM by packrat561	32	425
09/26/2009 7:16 AM Pump Hydro Underground to Store Wind Generation Capacity by Garthh	Last post: 09/28/2009 10:47 AM by Garthh	4	200
09/30/2008 12:59 AM Large size lens/mirrors for solar energy focussing by Anonymous Poster	Last post: 09/27/2009 2:15 AM by Henrik14	49	1349
08/13/2009 4:08 AM Power Plant That Uses Garbage to Create Power by Sharky	Last post: 09/20/2009 4:57 AM by Anonymous Poster	4	123
03/25/2009 11:57 PM Fluidyne Pumps by servant74	Last post: 09/20/2009 1:30 AM by Anonymous Poster	6	788
09/18/2009 12:44 PM Underground Methane in Los Angeles by Anonymous Poster	Last post: 09/19/2009 12:09 AM by RobBerkeley92	1	143
08/30/2009 11:45 PM PV Solar System Diagram by digikv	Last post: 09/17/2009 1:23 PM by blueskynj	4	193
09/11/2009 10:56 AM Best Insultation for Solar Thermal Manifold by CaptMoosie	Last post: 09/14/2009 8:03 AM by Sleepy	13	357
08/19/2009 6:18 PM Wood Gas Generator by fishpipes	Last post: 09/10/2009 11:33 PM by Mark Stockman	10	433
07/29/2009 11:42 AM Cost Effective Energy by vscid	Last post: 09/07/2009 10:28 PM by Mark Stockman	48	431
09/06/2009 1:56 AM Need help in making a Mathematical model of Solar paraboloid dish concentrator by nadam54321	Last post: 09/06/2009 3:32 PM by JohnDG	3	267
08/28/2009 10:56 AM Voyage Confirms Pacific Plastic Pollution by PWSlack	Last post: 09/05/2009 11:50 AM by U V	23	2514
01/01/2008 1:48 AM Hydrogen storage as a form of "battery". by dayhead	Last post: 09/02/2009 2:17 PM by Blink	30	450
07/06/2009 9:12 AM Consequences of Wind Power Generation? by realist	Last post: 08/31/2009 8:54 AM by babybear	74	686
07/23/2009 8:33 AM Underwater Power Generation by _Leon_	Last post: 08/29/2009 11:09 AM by greencrow	52	647
08/12/2009 3:55 PM Energy Sources and Their Development by ronseto	Last post: 08/26/2009 4:28 AM by saddlechariot	90	522
08/15/2009 5:23 PM Heat Cogeneration by vanuta	Last post: 08/24/2009 9:58 PM by Ried	26	457
06/03/2009 9:27 AM Wind Swept Area of Lenz Turbine by Spotsart	Last post: 08/24/2009 12:11 PM by Anonymous Poster	3	561
07/16/2009 8:28 AM Who Engineered the New Green Roof on the Sears Tower? by april05	Last post: 08/23/2009 2:20 AM by babybear	8	312
08/09/2009 12:10 PM Wind Power - Now and Then by ronseto	Last post: 08/21/2009 5:34 PM by Tinker65	60	782
04/02/2009 10:45 PM Aesthetic Wind-Powered Water Tower Project in Addison, TX by Tinker65	Last post: 08/21/2009 4:16 PM by Tinker65	19	451
08/13/2009 4:48 PM Algae Innovations by Garthh	Last post: 08/21/2009 12:48 PM by Ried	10	227
08/16/2009 4:05 PM Naming the Forum by carver35	Last post: 08/20/2009 1:36 PM by bwire	15	171
08/11/2009 7:17 PM CO2 Pollution by NSS	Last post: 08/19/2009 5:09 AM by PWSlack	88	726
08/15/2009 3:41 PM Innovative Cooling System by az native	Last post: 08/16/2009 4:17 PM by carver35	3	336
03/13/2009 8:53 AM cfm to TR by Anonymous Poster	Last post: 08/15/2009 6:27 AM by A. Choudhary	7	556
03/12/2009 1:53 PM Conserving Water by Condensing Steam from Cooling Towers by Sganesh	Last post: 08/13/2009 11:56 AM by Anonymous Poster	10	342
08/11/2009 3:13 PM Inflated Sun Collector by az native	Last post: 08/13/2009 10:12 AM by sunnycanuck@gmail.com	5	339
07/03/2008 1:10 PM Energy Efficiency, CO2 Reduction, Recycling and Total Waste Reduction by pvhramani	Last post: 08/10/2009 3:01 AM by pvhramani	8	484
07/06/2009 8:19 AM Photovoltaic Cells and Battery Chargers by Anonymous Poster	Last post: 08/09/2009 5:34 AM by Anonymous Poster	4	158
08/06/2009 3:47 AM Data for a Sun-Tracking Parabolic Mirror by az native	Last post: 08/08/2009 3:29 PM by edignan	3	195
12/05/2007 6:15 AM This Motorcycle Runs on a Water-Fuel Mixture by Raymond Weisling	Last post: 08/07/2009 11:33 AM by Anonymous Poster	43	2845
08/04/2009 12:32 AM Refrigeration by Anonymous Poster	Last post: 08/06/2009 4:59 AM by Dadz	2	107
08/05/2009 5:34 AM Solar Powered Cooling Systems by az native	Last post: 08/06/2009 3:52 AM by Anonymous Poster	1	170
07/27/2009 10:05 AM RSPB Objects to Shetland Wind Farm by English Rose	Last post: 08/03/2009 7:27 AM by English Rose	8	196
08/03/2009 2:08 AM need over head line erection & stringing contract by Anonymous Poster	Last post: 08/03/2009 4:14 AM by PWSlack	1	93
07/02/2009 10:49 PM Patent Holder for Wind Generator Looking for Investors by Anonymous Poster	Last post: 08/01/2009 11:49 AM by McDOnaldsolarandwind	10	181
07/14/2009 8:41 AM Solar powered desalination by NORTRA	Last post: 07/30/2009 6:26 AM by sceptic	7	158
07/23/2009 9:16 AM Absorption Process for Refrigeration by arnel	Last post: 07/30/2009 5:46 AM by sceptic	18	296
07/03/2009 5:40 AM Development Debate – An Engineer's Perspective by pvhramani	Last post: 07/24/2009 1:07 PM by Mark Stockman	12	257
01/26/2009 7:36 AM Wind Turbine Blades Covered With Photovoltaic Cells? by Tom D	Last post: 07/23/2009 5:27 AM by AllanMiguel	12	545
07/21/2009 1:05 PM Cagefan Windrive Electric by arnel	Last post: 07/22/2009 6:55 AM by maxig	4	237
07/21/2009 6:43 PM to skeptics on man made climate change by CHEMA	Last post: 07/21/2009 7:52 PM by RVZ717	4	199
06/14/2009 11:48 AM Cost effective breakpoint of alternative enrgy by elnav	Last post: 07/18/2009 1:48 PM by elnav	126	926
07/14/2009 1:04 PM Desertec: What's Next? by Gwen.Stouthuysen	Last post: 07/17/2009 2:40 AM by Gwen.Stouthuysen	15	335
07/05/2009 11:41 AM Corn for Green Energy by kilomark	Last post: 07/13/2009 5:34 PM by Anonymous Poster	56	401
03/23/2009 1:58 AM Savonius Rotor for Rooftop Windmill by upsidedown	Last post: 07/05/2009 12:51 PM by optiontrader	14	1067
04/12/2008 2:07 AM Aternative Energy (AE) Solutions for Philippine Factories - Which is "ideal"? by manilaman	Last post: 07/04/2009 1:14 PM by chtank	28	368
12/02/2007 1:16 AM Wood Fiber: the Ultimate Engineering structural material: any takers? by pvhramani	Last post: 07/03/2009 2:36 PM by Anonymous Poster	21	500
06/29/2009 5:57 AM Wind Power for a Village in Africa by sheikh tijan	Last post: 07/03/2009 1:11 AM by JLMEALER	3	152
06/16/2009 1:35 PM The Answer to Total Grid Dependence? by Boogieman145	Last post: 07/02/2009 1:42 AM by bwire	21	301

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