LONGITUDINAL FINS EVACUATED TUBE SOLAR AIR HEATER

A supporting structure 102 comprises of a hollow evacuated tube 104 attached to a supporting structure 102, a manifold channel 106 comprises a square pipe 112 fitted at a center of the manifold channel 106, a plurality of longitudinal fins 110 in association with a square pipe 112 inserted inside the evacuated tube 104, wherein a blower 118 configured to blow air inside the evacuated tube 104 along the path of said square pipe, an inner tube 108 surface is configured to absorb solar radiations, converts, transmit and passes through said inner square pipe of said manifold channel 106, a circular directional tube allows the flow of air into the evacuated tube 104 of a solar evacuated tube collector, wherein the air is configured to flow back along an annular space between outer surface of said inner tube surface and inner surface of said solar evacuated tube collector. %9 * 9" '1'L; C2-