ExpoLitePoster_SolarSteam_Sitts
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The document describes a project to design and construct a solar steam generator capable of producing 1 kW of steam output. It aims to propose scaled up designs for 100 and 500 horsepower solar boilers to be used for mint oil extraction, which currently relies on diesel or coal boilers. A prototype was built using a 4'x8' parabolic trough concentrator with a 1" copper pipe receiver coated with a selective surface. It generated steam at 15 psig within 4 minutes, reaching a maximum temperature of 140°C with an estimated 52% efficiency. Future work includes modifying the prototype for continuous flow and investigating direct steam generation.
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![Background
Design
Future Work
Acknowledgements
References
Team: Nicolas Sitts, Max Gorman, Joe Squire Sponsor: Dr. David Hackleman
School of Chemical, Biological, and Environmental Engineering
Solar Powered Steam GeneratorSolar Powered Steam Generator
Objective
•Design and construct a solar steam
generator capable of at least 1 kW steam
output.
•Propose “scaled up” designs for 100
& 500 BHP (1 & 5 MW) solar boiler for
use in peppermint oil extraction.
•The most common extraction process used
by the Oregon mint industry uses steam
distillation.
•Current methods of producing the
steam are to use diesel or coal fired
boilers with high emissions and fuel
consumption.
Welty J.R., et. Al. (2008). Fundamentals of Momentum, Heat, and Mass Transfer. Hoboken, NJ.
John Wiley & Sons, Inc.
W. Stine, et. al. (1985). Solar Energy Fundamentals and Design. New York, NY. John Wiley &
Sons, Inc.
Sanford, S., Mint Oil Energy Consumption, Energy Use Efficiency and Distillation Processes: A
Review of Essential Oil Extraction Technologies. University of Wisconsin-Madison, 2011.
Gregory. (2012) Supporting Report: "Carbon Footprint Analysis for Mint Farming". Mirc Report
U.S. Energy Information Administration. (2012). Gasoline and Diesel Fuel Update. Retrieved
from <http://www.eia.gov/petroleum/gasdiesel/>
EarthSky. (2012) <Earthsky.org> EarthSky Communications, Inc.
• Andy Brickman
• Dr. Philip Harding
• Larry Winiarski
• Dr. Alex Yokochi
Energy Balance
Geometric
Loss
13% Reflective/
Absorbtive
Loss
10%
Convective
Loss
20%
Radiative
Loss
5%
Useful
Energy
52%
Incident Energy Distribution
Io Insolation
Aa Collector Aperture
ρ Reflectivity
η Geometric Efficiency
α Receiver Absorptivity
σ Stefan-Boltzmann Constant
ε Receiver Emissivity
Tp, Ta, Tsky Temperatures of pipe,
ambience, and sky
• Parabolic trough solar concentrator:
o 4’x8’ aperture.
o 1” copper pipe coated with a selective
surface paint.
o Reflective metalized polyester
• Generates steam at 15 psig within
4 minutes.
• 140 oC maximum temperature
achieved.
• 52% Estimated efficiency.
• Steam passes through mint.
• Mint Oil diffuses into steam.
• The steam-oil mixture is condensed.
• Oil separates from water in a holding vessel.
Scale Up Parameters
• Modify prototype for continuous flow.
• Investigate direct steam generation
versus heat transfer fluid.
• Develop an automated tracking system.
100 BPH System
Aperture Area [ft2] 21,500
Estimated Land Use [acres] 1.5
Fuel Displacement [gal/h] 43
CO2 Emissions Displaced [lb/h] 963](https://image.slidesharecdn.com/feeeb732-3824-4fc0-be70-c77023fa25af-160818200848/85/ExpoLitePoster_SolarSteam_Sitts-1-320.jpg)
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HMX offers solar thermal solutions for steam generation and high-temperature hot water for a range of applications such as process heating, CIP (clean in place), pasteurization, distillation, cooking, air heating, etc., across industries and commercial establishments.
Hydrogen and fuel cell technology for a sustainable future presentation trans...
This document discusses hydrogen and fuel cell technology as it relates to renewable energy and sustainable futures. It provides examples of projects using these technologies, including the PURE Energy Centre in Shetland, Scotland, which uses an electrolyzer to produce hydrogen from renewable wind power that can then power a fuel cell. The document also discusses the Environmental Energy Technology Centre and its plans to create an iconic zero-carbon building powered by an innovative renewable hydrogen system.
Hydrogen and fuel cell technology for a sustainable future presentation trans...
This document discusses hydrogen and fuel cell technology as it relates to renewable energy and sustainable futures. It provides examples of projects using these technologies, including the PURE Energy Centre in Shetland, Scotland, which uses an electrolyzer to produce hydrogen from renewable wind power that can then power a fuel cell. The document also discusses the Environmental Energy Technology Centre and its plans to create an iconic zero-carbon building powered by an innovative renewable hydrogen system.
L1&2 intro energy & fossil fuels
This document provides an introduction to energy and fossil fuels. It defines energy and discusses different forms of potential and kinetic energy. It then focuses on fossil fuels, describing them as fuels formed from decomposed organic materials over millions of years. The document discusses some major fossil fuel disasters like the Exxon Valdez and Piper Alpha oil spills. It notes that burning fossil fuels increases CO2 and global warming, as well as acid rain. Students are assigned an essay on engineers' ethical responsibilities regarding fossil fuels.
Beyond Coal to Clean Energy
The document summarizes the Sierra Club's activities in Wisconsin in promoting clean energy and fighting coal use. It discusses the Sierra Club's history, priorities around transitioning from coal to clean energy, and progress made in getting coal plants retired in Wisconsin. It also covers the potential for wind and solar energy in the state and debates around expanding offshore wind development on Lake Michigan.
Greenwashing and its effects on Atmosphere
This presentation gives brief information about the greenwashing of renewable energy industries and products which claim to be emission free and clean energy.
March5 2009-workshop-slides
The workshop provided information on home heating technologies including solar thermal and geothermal systems. For solar thermal, it discussed the differences between flat plate and evacuated tube collectors and provided case studies showing returns on investment of 16.7-23.7% for domestic hot water and pool heating systems. For geothermal, it outlined the types of systems and discussed installation considerations and costs, noting that while upfront costs are higher, operating costs are reduced by 66% compared to gas systems. A case study compared typical system costs to a geothermal heat pump system.
Electricity Generation from Biogas Produced in a Lab-Scale Anaerobic Digester...
The sludge produced during wastewater treatment should be stabilized in order to minimize the damage to the environment. This study includes the evaluation of sludge stabilization and biogas formation by anaerobic digestion in order to generate electricity using stirling motor.The study was carried out with the raw sludge form the thickener of the wastewatertreatment plant. The main aim of the study is to provide sludge stabilization resulting biogas production by reduction of organic matter and to generate electricity. Anaerobic digestion studies were carried out using a laboratory scale anaerobic reactor with a volume of 7L.Under themesophilic condition, the sludge age was maintained at 10 days during the first 20 days of operation, while the reactor was operated for 90 days until the end of the run, with a sludge age of 20 days.The results have changed in the range of 42-52% after the organic matter reduction obtained from the anaerobic digestion. Concentrations of 3735.7300 ppm, 5060.5768 ppm, and 6951.4013 ppm biogas were obtained. Biogas was turned on by mechanical energy with a Stirlingmotor and then turned to direct current and the lamps with 3V 20mA each were run for 60 minutes
Morris, Minnesota Energy Primer
Mike Reese, director of the Renewable Energy Program at the West Central Research and Outreach Center provides an "Energy 101" to residents of Stevens County.
Fossil resources support energy storage systems
This presentation discusses how fossil fuel resources like coal and natural gas can support clean energy storage systems. It outlines how metals like lithium, cobalt, and nickel found naturally in coal deposits can supplement production for use in batteries. It also reviews processes for converting fossil fuels to hydrogen, ammonia, and methanol as chemical energy carriers. While these conversion processes currently produce carbon emissions, the presentation discusses how carbon capture technologies could help mitigate this. The conclusion states that more research is still needed to sustainably utilize fossil resources for clean energy applications.
Similar to ExpoLitePoster_SolarSteam_Sitts (20)
CCUS in the USA: Activity, Prospects, and Academic Research - plenary present...
CCUS in the USA: Activity, Prospects, and Academic Research - plenary present...
Hydrogen and fuel cell technology for a sustainable future presentation trans...
Hydrogen and fuel cell technology for a sustainable future presentation trans...
Hydrogen and fuel cell technology for a sustainable future presentation trans...
Hydrogen and fuel cell technology for a sustainable future presentation trans...
Electricity Generation from Biogas Produced in a Lab-Scale Anaerobic Digester...
Electricity Generation from Biogas Produced in a Lab-Scale Anaerobic Digester...
ExpoLitePoster_SolarSteam_Sitts
- 1. Background Design Future Work Acknowledgements References Team: Nicolas Sitts, Max Gorman, Joe Squire Sponsor: Dr. David Hackleman School of Chemical, Biological, and Environmental Engineering Solar Powered Steam GeneratorSolar Powered Steam Generator Objective •Design and construct a solar steam generator capable of at least 1 kW steam output. •Propose “scaled up” designs for 100 & 500 BHP (1 & 5 MW) solar boiler for use in peppermint oil extraction. •The most common extraction process used by the Oregon mint industry uses steam distillation. •Current methods of producing the steam are to use diesel or coal fired boilers with high emissions and fuel consumption. Welty J.R., et. Al. (2008). Fundamentals of Momentum, Heat, and Mass Transfer. Hoboken, NJ. John Wiley & Sons, Inc. W. Stine, et. al. (1985). Solar Energy Fundamentals and Design. New York, NY. John Wiley & Sons, Inc. Sanford, S., Mint Oil Energy Consumption, Energy Use Efficiency and Distillation Processes: A Review of Essential Oil Extraction Technologies. University of Wisconsin-Madison, 2011. Gregory. (2012) Supporting Report: "Carbon Footprint Analysis for Mint Farming". Mirc Report U.S. Energy Information Administration. (2012). Gasoline and Diesel Fuel Update. Retrieved from <http://www.eia.gov/petroleum/gasdiesel/> EarthSky. (2012) <Earthsky.org> EarthSky Communications, Inc. • Andy Brickman • Dr. Philip Harding • Larry Winiarski • Dr. Alex Yokochi Energy Balance Geometric Loss 13% Reflective/ Absorbtive Loss 10% Convective Loss 20% Radiative Loss 5% Useful Energy 52% Incident Energy Distribution Io Insolation Aa Collector Aperture ρ Reflectivity η Geometric Efficiency α Receiver Absorptivity σ Stefan-Boltzmann Constant ε Receiver Emissivity Tp, Ta, Tsky Temperatures of pipe, ambience, and sky • Parabolic trough solar concentrator: o 4’x8’ aperture. o 1” copper pipe coated with a selective surface paint. o Reflective metalized polyester • Generates steam at 15 psig within 4 minutes. • 140 oC maximum temperature achieved. • 52% Estimated efficiency. • Steam passes through mint. • Mint Oil diffuses into steam. • The steam-oil mixture is condensed. • Oil separates from water in a holding vessel. Scale Up Parameters • Modify prototype for continuous flow. • Investigate direct steam generation versus heat transfer fluid. • Develop an automated tracking system. 100 BPH System Aperture Area [ft2] 21,500 Estimated Land Use [acres] 1.5 Fuel Displacement [gal/h] 43 CO2 Emissions Displaced [lb/h] 963