Active Solar Heating Components and Applications - PowerPoint PPT Presentation

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Active Solar Heating Components and Applications

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Transforms Sun's energy into thermal energy. - Four types of solar ... Water disinfection or desalination in future research. Ventilation. Car Washes - Etc. ... – PowerPoint PPT presentation

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Title: Active Solar Heating Components and Applications


1
Active Solar HeatingComponents and Applications
  • By Peter Washer

2
Components
  • Solar Collectors
  • - Absorbs Suns energy
  • - Transforms Suns energy into thermal energy.
  • - Four types of solar collectors
  • 1. Flat-Plate Collectors
  • 2. Evacuated-Tube Collectors
  • 3. Concentrating Collectors
  • 4. Transpired Air Collectors

3
Flat-Plate Collector
Glazing frame
Glazing
Inlet connection
Outlet Connection
Enclosure
Flow tubes
Absorber plate
Insulation
4
Evacuated-Tube Collector
Cross Section
Outer glass tube
Evacuated Tube
Absorbing coating
Inner Glass Tube
Fluid Tubes
Glazing
Copper Sheet
Evacuated space
Inflow
Reflector
Outflow
5
Components Contd
  • Electric Pump or Fan
  • - To distribute solar heat and collect liquids
    to be heated.
  • Valves
  • - To limit the substance flow through the
    collector.
  • Controllers
  • - To manage air and water flow.
  • Storage Tank or Energy Storage System
  • - To store heat for non-daylight hours.

6
Active, Closed-Loop Solar Water Heater
Hot water to house
Flat-plate collector
Cold water input
Antifreeze fluid in Collector loop only
Solar storage/ Backup water heater
Double-walled heat exchanger
Pump
7
Applications
  • Space Liquid heater
  • Crop drying in developing countries
  • Pool heating
  • Water disinfection or desalination in future
    research
  • Ventilation
  • Car Washes
  • - Etc.

8
References
  • http//www.eere.energy.gov/solar/sh_basics.html
  • http//www.solarenergysociety.ca/2003/active.asp
  • http//www.healthgoods.com/Education/Energy_Inform
    ation/Renewable_Energy/heating_with_active_solar.h
    tm
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