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Abstract

This paper presents the optimal sizing of PV/Wind/Fuel Cell/Battery Hybrid Energy System for energizing a Small Scale Industrial Application or a village domestic load of 200 kW. HOMER software is used for simulation of the complete system. The solar radiation data and wind speed data used in this paper are for the place of Coimbatore, Tamil Nadu, India which is located 11.0183° N longitude and 76.9725° E latitude. The optimized sizes of components of Hybrid Power System (HPS) are found based on Levelised Cost of Energy (LCE) and total Net Present Cost (NPC). The results are presented and compared for five different combinations of HPS components. Suggestions are also presented to choose the low cost system which produces energy at low LCE.

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Authors and Affiliations

T. Bogaraj
J. Kanakaraj
K. Mohan Kumar
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Abstract

Nowadays the automotive industry mostly prefers innovative solid-state welding technologies that would enable to welding of lightweight and high-performance materials. In this work, 3105-H18 Aluminium alloy (Al) and pure Copper (Cu) specimens with 0.5 mm thickness have been ultrasonically welded in a dissimilar (Al-Cu) manner. Optimization of process parameters of ultrasonic welding has been carried out through full factorial method, three levels of variables considered for this experimental studies namely, weld pressure, amplitude, and time, also each variable interaction with welding strength has been studied. Additionally, micro-hardness and microstructure investigation in welded joints has been studied. The result shows that the weld strength greatly influenced weld amplitude at a medium and higher level of weld pressure. The interface micro-hardness of the welded joint has lower compared to the base metal.
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Authors and Affiliations

A. Mohan Kumar
1
ORCID: ORCID
R. Rajasekar
1
ORCID: ORCID
V. Karthik
2
ORCID: ORCID
S. Kheawhom
3
ORCID: ORCID

  1. School of Building and Mechanical Sciences, Kongu Engineering College, Erode, Tamilnadu, India - 6380602
  2. NIT, Tiruchirappalli, Department of Metallurgical and Materials Engineering, Tamilnadu, India – 620015
  3. Chulalongkorn University, Faculty of Engineering, Department of Chemical Engineering, Bangkok, Thailand – 10330

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