We Claim:
1. A hybrid glass-carbon fiber tray composite for drying products in a solar greenhouse, comprising:
a. a plurality of carbon fibres having radius of 2.5 pm;
b. a resin matrix, the said resin matrix is made up of vinyl ester resin;
c. a plurality of glass fibers having radius of 12 pm;
the arrangement of said glass and carbon fibers is either centrally placed or at the outer circumference and vice versa; and
wherein the said combination of the composite when transformed into a plurality of hybrid drying plates which are placed on a rotatable tray assisted dryer framework structure kept inside the solar greenhouse, the said hybrid plate receives the sunlight over its surface and uniformly increases the moisture removal rate of the agriculture or herbal products placed over the surface and removes 60% of moisture in 3 days uniformly and the moisture value reaches to 80 % suddenly on next day due to efficient dryness behaviour of the said hybrid plate.
2. The hybrid glass-carbon fiber tray composite as claimed in claim 1, wherein the value of an overall fiber volume fraction to the composite is 0.5%.
3. The hybrid glass-carbon fiber tray composite as claimed in claim 1, wherein the said plate has a compressive strength of 1940 MPa and 0.5 imperfection.
4. A hybrid composite solar greenhouse dryer, comprising:
a. a metal framework structure with a rotating shaft for supporting a plurality of composite rotating trays;
b. a plurality of composite rotating trays, the said trays are made of a plurality of carbon fibres, a resin matrix and a plurality of glass fibers;
c. a solar panel module for powering the said hybrid dryer, the said module comprising of a battery for storing power and a solar charge controller;
d. one or more air outlet;
e. a greenhouse film structure for covering the said hybrid dryer;
the said composite rotating tray provides a platform for placement of drying agricultural products, and the said hybrid dryer facilitates uniform increase in the moisture removal rate of the agriculture or herbal products placed over the surface the said plates and removes 60% of moisture in 3 days uniformly and the moisture value reaches to 80 % suddenly on next day due to efficient dryness behaviour of the said hybrid plate.
5. The hybrid composite solar greenhouse dryer as claimed in claim 4,wherein the thermal analysis carried out using COMSOL Multiphysics tool depicts that the HRTAD tray distributes the heat over the surface uniformly within the variation of 315 K to 320 K.