Effect of Boosting Solar Radiation Intensity on Thermal and Hydraulic Performance and Characteristics of Forced Circulation Food Dryer Provided with Roughened Solar Air Heater
Manoj Kumar Singh1, Gupta Nath Sah2

1Manoj Kumar Singh*, Department of Mechanical Engineering, B. I. T Sindri, Dhanbad, India.
2Gupt Nath shah, Ex retired professor, department of Mechanical Engineering, B.I.T Sindri, Dhanbad, India.

Manuscript received on March 28, 2020. | Revised Manuscript received on April 25, 2020. | Manuscript published on April 30, 2020. | PP: 2180-2186 | Volume-9 Issue-4, April 2020. | Retrieval Number: D6499049420/2020©BEIESP | DOI: 10.35940/ijeat.D6499.049420
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: This paper focus on effects of boosting solar intensity on the thermal performance of solar food dryer coupled with roughened solar heater. Boosting of solar intensity increases the temperature of air entering into the food dryer without changing the specific humidity. The methods which have been used to increase the intensity of incidence radiation on the collector of food dryer are plane mirrors with tracking, parabolic reflectors and compound parabolic concentrator. It has been observed experimentally that boosting intensity improves performance characteristics of solar air heater and food dryer. It increases collector efficiency, dryer efficiency, loss of moisture content and diminishes the moisture content in the product at any time.
Keywords: Moisture, booster mirror, food dryer, pyranometer, artificial roughness