Transcription of RENEWABLE ENERGY SOURCES
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LECTURE NOTES ON RENEWABLE ENERGY SOURCES IV B TECH II Sem JNTUH - R15 Mr. G Saratraju, Assistant Professor Mr. A Venuprasad Assistant Professor MECHANICAL ENGINEERING INSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) DUNDIGAL, HYDERABAD - 500 043 UNIT I PRINCIPLES OF SOLAR RADIATION RENEWABLE ENERGY is generally defined as ENERGY that comes from resources which are naturally replenished on a human timescale such as sunlight,wind,rain,tides,waves and geothermal heat. RENEWABLE ENERGY replaces conventional fuels in four distinct areas: electricity generation,hot water/space heating, motor fuels, and rural (off-grid) ENERGY services. RENEWABLE ENERGY is derived from natural processes that are replenished constantly. In its various forms, it derives directly from the sun, or from heat generated deep within the earth.
infinity,straight through space. Since we're only working with relatively short distances (compared to the Universe), a line extending N-S will be quitesufficient 2. Altitude (A) is the angle of the sun over the horizon. In this problem, we will be working with the sun atnoon, so it will either be over the N or Shorizon. 3.
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