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 7th Balkan Mining Congress - confOrganiser.com

7th Balkan Mining Congress

October 11 - 13, 2017.

Development of mathematical model of offset type solar parabolic concentrating system

Author(s):
1. Saša Pavlović, Faculty of Mechanical Engineering in Niš, Serbia
2. Marko Mancic, Faculty of Mechanical Engineering in Niš, Serbia
3. Velimir Stefanovic, Faculty of Mechanical Engineering in Niš, Serbia
4. Živan Spasić, Faculty of Mechanical Engineering in Niš, Serbia


Abstract:
In this paper will be presented the process of design, construction and optical performance analysis of a low cost solar concentrator for medium thermal applications.. To avoid complexity of design of an specific shaped surface a common offset parabolic antenna is used to make the reflector. This study develops and applies a new mathematical model for estimating the intercept factor of a new solar concentrator based on the geometric and optical behaviour of the concentrator in Cartesian coordinates. The goal of this paper is to present optical design of a low-tech solar concentrator that can be used as a potentially low-cost tool for laboratory-scale research on the medium-temperature thermal processes, hot water systems, heating systems, cooling systems, polygeneration systems etc. The paper also describes the prototype construction process and ray tracing study with a solar concentrating system consist of three offset parabolic dish reflector.

Key words:
solar offset parabolic concentrating collector,Ray tracing simulations,optical modeling,solar energy conversion,solar radiation

Thematic field:
Energy and Thermal Engineering

Date of abstract submission:
26.02.2015.

Conference:
12th International conference on accomplishments in Electrical and Mechanical Engineering and Information Technology (DEMI 2015)

Abstract

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