Periodicals of Engineering and Natural Sciences (PEN)

Periodicals of Engineering and Natural Sciences (ISSN: 2303-4521) is an international open access single-blind review journal published online.

Publication frequency: Semiyearly (1. January - June; 2. July - December).

Indexing: Scopus, DOAJ, Google Scholar...

Digital Object Identifier DOI: 10.21533/pen


Vol 7, No 1 (2019)

Table of Contents

Articles

Finite element modelling to predict machining induced residual stresses in the end milling of hard to machine Ti6Al4V alloy
Prakash Marimuthu, Thirtha Prasada H P, Chethan Kumar C S
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Testing the random walk hypothesis of stock indexes through variance-ratio
Sadi Fadda
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Comparing symmetric and asymmetric volatility estimates for S&P index prices
Sadi Fadda
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Transverse Flux Permanent Magnet Generator Design and Optimization Using Response Surface Methodology Applied in Direct Drive Variable Speed Wind Turbine System
Javad Soleimani
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Flux Switching Permanent Magnet Generator Design and Optimization Using Response Surface Methodology
Javad Soleimani
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