VOLUME 5/2020, ISSUE 1

This work is licensed under a Creative Commons Attribution 4.0 International License. The Journal is included in the international database: – DOAJ (Directory of Open Access Journals) -EBSCO

Editor-in-chief: Valeriu V. JINESCU  University Politehnica of Bucharest Co-editor: Florin Teodor TANASESCU University Politehnica of Bucharest Honorary editor: Mihai MIHAITA President of Technical Sciences Academy of RomaniaManaging editor: Ioan Ganea AGIR Publishing House Journal of Engineering Sciences and Innovation is a quarterly multidisciplinary scientific journal, print and electronic: – covers all disciplines of engineering sciences; – free of charge. No processing and submission charges; – open access; – hard copy version, ISSN 2601 -6699; – on-line version, ISSN-L2537 – 320X; – high visibility, anyone can read and/or download a paper; – jesi@astr.ro

CONTENTS

A. Mechanical Engineering

Ion Bostan, Valeriu Dulgheru, Viorel Bostan
Analytic description of teeth profile of gears with rollers ab and justification of precessional gear parameters selection a
http://doi.org/10.56958/jesi.2020.5.1.1

1

B. Chemical Engineering, Materials Science and Engineering

Andrei Sarbu, Anamaria Zaharia, Anita Laura Radu, Teodor Sandu, Tanta Verona Iordache, Paul Vasilescu, Gheorghita Jinescu, Crina Thea Cojocaru
Polymer inorganic- organic composites- precursors for ceramic powders and products
http://doi.org/10.56958/jesi.2020.5.1.9

9

Marioara Abrudeanu, Gabriel Neacșu, Andreea Elena Roșu, Iustin-Alexandru Popa, Daniel-Constantin Anghel, Vasile Rizea, Daniel Alin Rizea, Mihai Branzei, Gabriela Adriana Plaiasu, Luminita Constantinescu, Cătălin-Marian Ducu
The influence of thermal shock at high temperature on Zy-4 alloy
http://doi.org/10.56958/jesi.2020.5.1.21

21

Teodor Alexandra, Chiojdoiu Alexandru-Florin, Anghel Ion, Panaitescu Valeriu Nicolae
Influence of heat release rate on the temperature of the hot gas layer in closed spaces
http://doi.org/10.56958/jesi.2020.5.1.33

33

D. Civil Engineering and Transport Engineering

Costescu Marian Dan
Autonomous vehicles in mixed traffic: Accounting for human reactions, modelling the Anticipated Safe Distance
http://doi.org/10.56958/jesi.2020.5.1.41

41

Dan Precupanu, Codrin Precupanu
Optimization criteria in the structural elements design for concrete industrial roofs. -Reinforced (prestressed) concrete structures
http://doi.org/10.56958/jesi.2020.5.1.57

57

E. Electrical and Electronics Engineering

Alexandru Woinaroschy
Personal considerations about creativity and artificial intelligence
http://doi.org/10.56958/jesi.2020.5.1.63

63

E. Electrical and Electronics Engineering

Omar Lahchava, Nicolae Ilias
Calculation of railway tunnels ventilation
http://doi.org/10.56958/jesi.2020.5.1.69

69

AGIR Publishing House