APPLICATION OF SOLAR ENERGY GOPI PK HOS ELECTRICAL M T I THRISSUR
1. DIRECT THERMAL APPLICATION2. SOLAR ELECTRICAL APPLICATIONS
SOLAR WATER HEATING (HOT WATER SUPPLY SYSTEM)BASIC ELEMENTS FLAT PLATE COLLECTOR STORAGE TANK CIRCULATION SYSTEM& AUXILARY SYSTEM CONTROL OF THE SYSTEMCOMMERCIAL DESIGNSNATURAL CIRCULATION SOLAR WATER HEATER (PRESSURISED)NATURAL CIRCULATION SOLAR WATER HEATER (NON-PRESSURISED)FORCED CIRCULATION SOLAR WATER HEATER
1. NATURAL CIRCULATION SOLAR WATER HEATER(PRESSURISED) HOT WATER DISTRIBUTION INSULATION AUXILARY HEATER HOT WATER TANK ≥0.3MSOLAR COLD WATERCOLLECTOR FROM MAINS SCHEME OF A NATURAL CIRCULATION SOLAR WATER HEATER
COLD WATER INSULATION HOT WATER AUXILARY HEATER HOT WATER SOLAR TANKCOLLECTOR ONE WAYCHECK VALVE NON PRESSURISED SOLAR WATER HEATER
FORCED CIRCULATION SOLAR WATER HEATER HOT WATER TANK TEMPERATURE AUXILARYSOLAR HEATER COLLECTORCOLLECTOR SENSORONE PUMP INSULATEDWAY SWITCH TANK TANK TEMPERATURECHECK SENSORVALVE COLD WATER PUMPSCHEMATIC OF A FORCED CIRCULATION SOLAR WATER HEATER
SOLAR WATER HEATING SYSTEM WITH ANTIFREEZE ANTI FREEZ SOLUTION HOT WATER DISTRIBUTION HOT WATER HEAT EXCHANGE AUXILARY R HEATER COLD SERVICE WATER PUMP
SPACE HEATING ( SOLAR HEATING OFBUILDINGS) PASSIVE HEATING SYSTEMS BASIC DESIGN PRINCIPLES OF PASSIVE SOLAR SPACE–HEATING SYSTEM WITHOUT MECHANICAL COMPONENTS. DIRECT GAIN THERMAL STORAGE WALL ATTACHED SUN SPACE ROOF STORAGE CONVECTIVE LOOP
CONCRETE WALL 20 CM THICKGLASSCOVERBLACKENDSURFACE PASSIVE SOLAR HEATING SYSTEM
ROOF STORAGE S u n r a y s MOVABL SNAGNANT AIR SPACE E PLASTIC WATER PANNELS BAG WATER WATERMETALCONTAINER METAL ROOF ROOF STORAGE OF SOLAR HEAT
CONVECTIVE LOOP AIR CONTROL CIRCULATION VALVE RETURN AIR THERMAL STORAGE CONVECTIVE LOOP PASSIVE SOLAR HEATING
ACTIVE SPACE HEATING SYSTEM AUXILARY TO BUILDING WATER TANK STORAGE UNIT 3 WAY VALVE FROM BUILDING PUMP PUMP SCHEME OF A BASIC HOT WATER ACTIVE SYSTEM
WATER STORAGE TANK HOT WATER DISTRIBUTIONANTI FREEZ AUXILARY HEATERSOLUTION TO DISTRIBUTION SYSTEM BY PASS 3 WAY VALVE RETURN FROM DISTRIBUTION PUMP COLD SERVICE WATER PUMP SOLAR SPACE HEATING AND HOT WATER SYSTEM
BASIC HOT AIR SYSTEM AUXILARY HEATER DAMPER 3 WAY VALVE HEATED AIR TO DISTRIBUTION BY PASS ROCK STORAGE RETURN FROM DISTRIBUTION DAMPER 3 WAY VALVE BLOWER BLOWER SCHEMATIC DIAGRAM OF A BASIC HOT AIR HEATING SYSTEM
SPACE COOLING (SOLAR COOLING OF BUILDING)ABSORPTION AIR CONDITIONING CONDENSER EV COOLING TOWER EVAPARATOR AUXILARY HEATER TO COOLED ESPAC GENERATOR HEAT EXCHANGER STORAGE TANK COOLING WATER IN HEAT EXCHANGER ABSORBER PUMP 3-WAY PUMP PUMP PUMP VALVE SOLAR COLLECTOR & STORAGE ABSORPTION AIR CONDITIONER SCHEME OF SOLAR OPERATED ABSORPTION AIR CONDITIONER
Thermal electric conversion systemLow temperature cycles using flat plate collector or solar pondConcentrating collectors for medium & high temperature cyclePower tower concept to central receiver systemDistributed collector system
THERMAL ELECTRIC CONVERSION SYSTEM HOT WATER COOLING TOWER CONDENCER COLD WATER PUMP SOLAR RADIATION EVAPARATOR BOILER SOLAR POND PUMP ORGANIC WORKING COLD WATER TURBINE FLUIDGENERATOR ELECTRICAL POWER OUTPUT FLOW DIAGRAM OF SOLAR POND ELECTRIC POWER PLANT
Thermal energy from a solar pond is used to drive aRankine cycle heat engine. Hot water from bottom levelof the pond is pumped to the evaporator where theorganic working fluid is vaporised. The vapour flowsunder high pressure to the turbine and there byexpanding through the turbine wheels, and the electricgenerator linked to it. The vapour then travel to thecondenser where cold water from the cooling towercondenses the vapour back it to the evaporator wherethe cycle is repeated.
Water circuit Solar array Butane boiler Butane turbine pump pump wellWater for irrigationpurpose condenserSCHEMATIC OF A LOW TEMPERATURE SOLAR POWER PLANT
This system has array of flat- plate collectors to heatwater up to nearly 70o and in the heat exchanger , theheat of water is used for boiling furnace. The highpressure butane vapour runs a butane turbine whichoperate a hydraulic pump which pumps the waterfrom well and used for irrigation. The exhaustedbutane vapour from butane turbine is condensed withthe help of water which is pumped by the pump. Thiscondensed butane is fed to the heat exchanger
shield Absorber tube Stay rods Solar ray Chain drive Chain driveMirror strips Jack shaft A typical parabolic cylindrical concentrator
Spherical Central Receiver Black body Cavity Unit Insulation Sun Rays Electrical power output Alternator CompressorHeat sink One of the Heliostats of the Field Recuperator Schematic of a Central Tower receiver associated with a field of flat mirrors and a gas
in a recuperative furnace a system of thin-walled ducts through which incoming airand exhausted gases pass separately sothat the air is heated by the gases.
Description of the SystemThe tower with the central receiver on top of itThe heat conversion subsystemThe heat storage deviceThe field of oriented mirrors.
In this system , the incoming solar radiation is focusedto a central receiver or a boiler mounted on a tall tower usingthousands of plane reflectors, which are steerable about twoaxes and are called heliostats. A schematic view of an electricpower plant using gas turbine is shown in figure. The mirrorsare installed on the ground and are oriented so as to reflectthe direct beam radiation in to an absorber or boiler which ismounted on the top of a tower located near the centre of thefield of mirrors to produce high temperature. Beam radiation incident on boiler absorbed by blackpipes in which working fluid circulates and is heated. Theworking fluid is allowed to drive a turbine and producemechanical energy. The turbine which is coupled to analternator produces electrical energy. A suitable heat storage isalso provided to supply the hest energy during the periods ofcloudiness.
1 Wave EnergyKinetic energy (movement) exists in themoving waves of the ocean. That energy canbe used to power a turbine. In this simpleexample, (illustrated to the right) the waverises into a chamber. The rising water forcesthe air out of the chamber. The moving airspins a turbine which can turn agenerator.When the wave goes down, air flowsthrough the turbine and back into the chamberthrough doors that are normally closed.This is only one type of wave-energy system.Others actually use the up and down motion ofthe wave to power a piston that moves up anddown inside a cylinder. That piston can alsoturn a generator.Most wave-energy systems are very small. But,they can be used to power a warning buoy or asmall light house.2 Tidal EnergyAnother form of ocean energy is called tidalenergy. When tides comes into the shore, theycan be trapped in reservoirs behind dams.Then when the tide drops, the water behindthe dam can be let out just like in a regular
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