Design of dual-axis solar tracking system with integrated cleaning system: Case study of Najaf city, Iraq

2022 ◽  
Author(s):  
Karrar J. Alaameri ◽  
Ali J. Ramadhanand ◽  
Alexander S. Maklakov
Keyword(s):  
Tracking System ◽  
Cleaning System ◽  
Solar Tracking

scholarly journals Improving Product Quality through Functional Analysis Approach: Case of Dual Axis Solar Tracker

2020 ◽  
Author(s):  
Emmanuel Karabo Mpodi ◽  
Zeundjua Tjiparuro ◽  
Oduetse Matsebe
Keyword(s):  
Functional Analysis ◽  
Product Quality ◽  
Design Process ◽  
Early Stage ◽  
Tracking System ◽  
Analysis Approach ◽  
Solar Tracking ◽  
Solar Tracker

Product quality determines how well a product meets the customer’s requirements. One way of measuring and ensuring that the product’s quality is achieved is through incorporating the functional analysis approach in the design process of the product, especially at early stage of lifecycle. A case study involving the design of a dual axis solar tracking system is used to illustrate the approach. In the study, the designed solar tracking concept was compared to existing mechanisms. The designed concept was found to be, generally, less complex than existing models.

Improvement of an open sun drying system for dried banana product using solar tracking system: a case study in Thailand

2021 ◽  
pp. 1-13
Author(s):  
Chaowanan Jamroen ◽  
Preecha Komkum ◽  
Punnapit Yoopum ◽  
Surachart Pinsakol ◽  
Krit Kerdnoan
Keyword(s):  
Tracking System ◽  
Sun Drying ◽  
System A ◽  
Solar Tracking ◽  
Drying System

scholarly journals Diseño e implementación de un sistema seguidor solar inteligente a dos ejes para optimizar la producción de energía fotovoltaica con una lente de fresnel y un sistema de limpieza robotizado a bajo costo

2019 ◽  
pp. 1-6
Author(s):  
José Juan Hernández-Medina ◽  
Hilario López-Xelo ◽  
José Luis Cabrera-Pérez ◽  
Aldo Hernández-Díaz
Keyword(s):  
Solar Energy ◽  
Tracking System ◽  
Low Cost ◽  
Cleaning System ◽  
Solar Tracking ◽  
Low Weight ◽  
Fresnel Lenses ◽  
And Control ◽  
The Impact ◽  
Concentrate Solar Energy

Photovoltaic systems with Fresnel lenses are expensive, as well as technologically complex, due to their optical, mechanical and control components. In addition, all these systems are sensitive to operation and maintenance costs. This article proposes the use of commercial Fresnel lenses to improve the efficiency of photovoltaic modules, in conjunction with a fuzzy intelligent controlled solar tracking system with two-axis and a novel low-cost robotic cleaning system. The basic idea is that this system optimizes the production of electricity in an economically and technologically simple way. The technology of Arduino microcontrollers and fuzzy logic for control, as well as the geometry of Fresnel lenses, will be used to concentrate solar energy in a small area, not to mention that these optical devices have a low weight. The accumulated effect of energy production will be improved by a novel low cost robotic cleaning system. The alignment and perpendicularity of the impact of solar energy on photovoltaic cells must be maintained as much as possible and the performance of this system must be compared with other more expensive and technologically more complex commercial systems.

Application of Dual Axis Solar Tracking System in Qurghonteppa, Tajikistan

2019 ◽  
Author(s):  
Adven Masih ◽  
Murodbek Safaraliev ◽  
Karomatullo Mukhmudov ◽  
Ismoil Odinaev ◽  
Bukhtiyor Ghoziev ◽  
...  
Keyword(s):  
Tracking System ◽  
Solar Tracking

“I am not a guinea pig”: Parental opportunity hoarding and tracking reform in Germany

2021 ◽  
Vol 16 (1) ◽  
pp. 64-82
Author(s):  
Lana Apple ◽  
Mira Debs
Keyword(s):  
Social Capital ◽  
Discourse Analysis ◽  
Guinea Pig ◽  
Education System ◽  
Educational Inequality ◽  
Tracking System ◽  
School Structure ◽  
Student Background ◽  
Achievement Outcomes

PISA test data from 2000 to today have shown Germany’s education system is one of the most inequitable within the OECD, with high correlations between student background and achievement outcomes. Scholars have identified the highly differentiated school structure, which tracks students as young as 10 years old, as a central cause. This scholarship has not evaluated why German tracking has proved difficult to reform over the last 20 years, despite evidence of negative outcomes. Using a case study of parents’ actions in Hamburg, this paper employs a discourse analysis of debates surrounding a tracking reform to argue that opportunity hoarding—that is, parents with more social capital maintaining certain advantages through ingrained systems that are theoretically open to all—may contribute to why Germany’s early tracking system persists despite evidence showing that it increases educational inequality. The findings presented have implications for an international discussion of tracking reform and opportunity hoarding.

scholarly journals Optimal design of the solar tracking system of parabolic trough concentrating collectors

2020 ◽  
Vol 15 (4) ◽  
pp. 613-619
Author(s):  
Li Kong ◽  
Yunpeng Zhang ◽  
Zhijian Lin ◽  
Zhongzhu Qiu ◽  
Chunying Li ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Solar Radiation ◽  
Tracking System ◽  
Low Cost ◽  
Parabolic Trough ◽  
The North ◽  
Tracking Mode ◽  
Solar Tracking ◽  
East West

Abstract The present work aimed to select the optimum solar tracking mode for parabolic trough concentrating collectors using numerical simulation. The current work involved: (1) the calculation of daily solar radiation on the Earth’s surface, (2) the comparison of annual direct solar radiation received under different tracking modes and (3) the determination of optimum tilt angle for the north-south tilt tracking mode. It was found that the order of solar radiation received in Shanghai under the available tracking modes was: dual-axis tracking > north-south Earth’s axis tracking > north-south tilt tracking (β = 15°) > north-south tilt tracking (β = 45) > north-south horizontal tracking > east-west horizontal tracking. Single-axis solar tracking modes feature simple structures and low cost. This study also found that the solar radiation received under the north-south tilt tracking mode was higher than that of the north-south Earth’s axis tracking mode in 7 out of 12 months. Therefore, the north-south tilt tracking mode was studied separately to determine the corresponding optimum tilt angles in Haikou, Lhasa, Shanghai, Beijing and Hohhot, respectively, which were shown as follows: 18.81°, 27.29°, 28.67°, 36.21° and 37.97°.

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