logging in or signing up solarcooking Randolfo Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 229 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: January 21, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Solar Cooking: Solar Cooking Quinton Stowell Product Development Manager Nordson UV LtdOverview of sessions: Overview of sessions 1. Theory of Solar Energy/Cooking 2. Solar –v– Wood/gas 3. Design features of Solar Cookers 4. Case Study in Peru 5. Successful initiatives 6. Practical sessionWho am I? – Nordson UV?: Who am I? – Nordson UV?Links with Peru : Links with Peru Peru Children’s Trust Shantytown in PeruWhy is Solar Cooking Important?: Why is Solar Cooking Important? 2,000 million cook with wood (TFL) 20-25,000km2 of forest lost/year (UNEP) Contaminated water = 80% illnesses ARI (Acute Respiratory Infections) Solar Cooking = no wood & no smokeEnergy from the Sun?: Energy from the Sun? Solar Constant = 1367 W/m2 Clear sunny day = 83% = 1134 W/m2 Engineers= 1kW/m2Energy from the Sun?: Energy from the Sun?Theory behind Solar Energy: Theory behind Solar Energy Low grade energy Collect/retain….. Box type cooker Magnification….. Parabolic cookerParabolic and Box Cookers: Parabolic and Box CookersWood/Gas – V – Solar: Wood/Gas – V – SolarWood/Gas – V – Solar: Wood/Gas – V – SolarParabolic – Design Features: Parabolic – Design Features Size of reflector Reflectivity of reflector Accuracy of reflector Emmisivity of cooking vesselEnergy Calculations: Energy Calculations Area = 1 m2 Power = 700 Watts 1 litre of water = 7 to 8 minutes Temperature at focus = 420 deg C. (small black thermocouple)Box Cooker – Design Features: Box Cooker – Design Features Greenhouse principle Area of collection Transmission of glass/plastic Emissivity of cooking vessel Insulation of box WAPI (Water Pasteurisation Indicator)SUNSTOVE ® Design: SUNSTOVE ® Design Low cost enclosure Sloped side walls, scrap Aluminium Fibreglass insulation Clear glass/plastic cover 80 – 100 deg C 10,000 in SA & IndiaParabolic – v – Box Cooker: Parabolic – v – Box CookerParabolic – v – Box Cooker: Parabolic – v – Box CookerTrip to Peru: Trip to Peru 10 teenagers £30 of materials Woodwork Cardboard Metalwork Fun timeHow did it go?: How did it go? Workshops Language! New skills Too small! Too big! Rainy season Years later….What makes an Initiative Successful?: What makes an Initiative Successful? Choosing the right design for the right location. Not this one for £750 in Australia!What makes it successful?: What makes it successful? Over 4kWhr per m2 per day. e.g. India, China, South Africa. Robust, easy to use. Perform well/efficient. Local materials. Very low cost.Scheffler Design: Scheffler Design Community Kitchen - IndiaRefugee Camp - CooKit: Refugee Camp - CooKitWhat makes an Initiative Successful?: What makes an Initiative Successful? Marketing & contacts with organisations Existing charities NGO’s – sustainable development Government initiatives Demonstrators – evangelists Local entrepreneurs Empowering the right peopleUseful information: Useful information www.sunspot.org.uk www.peruchildrenstrust.org.uk www.sungravity.com www.solarcooking.org www.itdg.org (Practical Action) www.sunspot.org.uk/ewbMaking your Solar Cooker: Making your Solar Cooker Split into groups 2 hours Safety Inner and outer sheets: Inner and outer sheets Mark out according to the drawing Cut with a pair of sharp scissors Fold with a block of wood. Make wooden frame and fit outer: Make wooden frame and fit outer Fit insulation then inner panel: Fit insulation then inner panel Paint base plate and fit acrylic cover: Paint base plate and fit acrylic cover You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
solarcooking Randolfo Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 229 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: January 21, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Solar Cooking: Solar Cooking Quinton Stowell Product Development Manager Nordson UV LtdOverview of sessions: Overview of sessions 1. Theory of Solar Energy/Cooking 2. Solar –v– Wood/gas 3. Design features of Solar Cookers 4. Case Study in Peru 5. Successful initiatives 6. Practical sessionWho am I? – Nordson UV?: Who am I? – Nordson UV?Links with Peru : Links with Peru Peru Children’s Trust Shantytown in PeruWhy is Solar Cooking Important?: Why is Solar Cooking Important? 2,000 million cook with wood (TFL) 20-25,000km2 of forest lost/year (UNEP) Contaminated water = 80% illnesses ARI (Acute Respiratory Infections) Solar Cooking = no wood & no smokeEnergy from the Sun?: Energy from the Sun? Solar Constant = 1367 W/m2 Clear sunny day = 83% = 1134 W/m2 Engineers= 1kW/m2Energy from the Sun?: Energy from the Sun?Theory behind Solar Energy: Theory behind Solar Energy Low grade energy Collect/retain….. Box type cooker Magnification….. Parabolic cookerParabolic and Box Cookers: Parabolic and Box CookersWood/Gas – V – Solar: Wood/Gas – V – SolarWood/Gas – V – Solar: Wood/Gas – V – SolarParabolic – Design Features: Parabolic – Design Features Size of reflector Reflectivity of reflector Accuracy of reflector Emmisivity of cooking vesselEnergy Calculations: Energy Calculations Area = 1 m2 Power = 700 Watts 1 litre of water = 7 to 8 minutes Temperature at focus = 420 deg C. (small black thermocouple)Box Cooker – Design Features: Box Cooker – Design Features Greenhouse principle Area of collection Transmission of glass/plastic Emissivity of cooking vessel Insulation of box WAPI (Water Pasteurisation Indicator)SUNSTOVE ® Design: SUNSTOVE ® Design Low cost enclosure Sloped side walls, scrap Aluminium Fibreglass insulation Clear glass/plastic cover 80 – 100 deg C 10,000 in SA & IndiaParabolic – v – Box Cooker: Parabolic – v – Box CookerParabolic – v – Box Cooker: Parabolic – v – Box CookerTrip to Peru: Trip to Peru 10 teenagers £30 of materials Woodwork Cardboard Metalwork Fun timeHow did it go?: How did it go? Workshops Language! New skills Too small! Too big! Rainy season Years later….What makes an Initiative Successful?: What makes an Initiative Successful? Choosing the right design for the right location. Not this one for £750 in Australia!What makes it successful?: What makes it successful? Over 4kWhr per m2 per day. e.g. India, China, South Africa. Robust, easy to use. Perform well/efficient. Local materials. Very low cost.Scheffler Design: Scheffler Design Community Kitchen - IndiaRefugee Camp - CooKit: Refugee Camp - CooKitWhat makes an Initiative Successful?: What makes an Initiative Successful? Marketing & contacts with organisations Existing charities NGO’s – sustainable development Government initiatives Demonstrators – evangelists Local entrepreneurs Empowering the right peopleUseful information: Useful information www.sunspot.org.uk www.peruchildrenstrust.org.uk www.sungravity.com www.solarcooking.org www.itdg.org (Practical Action) www.sunspot.org.uk/ewbMaking your Solar Cooker: Making your Solar Cooker Split into groups 2 hours Safety Inner and outer sheets: Inner and outer sheets Mark out according to the drawing Cut with a pair of sharp scissors Fold with a block of wood. Make wooden frame and fit outer: Make wooden frame and fit outer Fit insulation then inner panel: Fit insulation then inner panel Paint base plate and fit acrylic cover: Paint base plate and fit acrylic cover