VOLUME 6/2021, ISSUE 1

This work is licensed under a Creative Commons Attribution 4.0 International License. Journal of Engineering Sciences and Innovation (JESI) is indexed in the following databases for academic journals: – Directory of Open Access Journals (DOAJ); – EBSCO, Publishing Inc.; – Open Academic Journal Index (OAJI); – Index Copernicus.

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 Romania Managing editor: Dan BOGDAN AGIR Publishing House Quarterly multidisciplinary scientific journal:: – 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
Minescu Mihail Dinita Alin, Ramadan Ibahim Naim, Zisopol Dragoș Gabriel
Experimental stand for internal pressure testing of pipes 

1

Valeriu V. Jinescu
Non-propogation crack criteria and fracture criteria in the case of mixed- mode fracture, taking into account the deterioration

10

Georgeta Roman, Dragoș Alexandru Apostol
Influence of bolts bending on the strength of flanges joints of pressure vessels

31

B. Chemical Engineering, Materials Science and Engineering
Ioan Ilca
Theory and practice of asymmetrical longitudinal rolling

41

C. Environmental Engineering and Energy
Obreja Cristina, Dinu Laura-Dorina, Mateescu Carmen, Banciu Cristian, Maria Gabriel-Mihai
Assessment of environmental pollution with rare-earth metals through bioaccumulation studies using vegetal bioindicators

57

Alexandru Ozunu, Andrei Radovici, Alexandru Mereuță, Ioana Piștea, Zoltan Torok
Technological risk mitigation for the resilient cities

71

Cristian Purece, Adrian Andrei Adam, Irina Chera-Anghel, Valeriu Panaitescu
Analysis of the main methods used in determining the discharge at low head small hydro power plants

77

G. Inter – and Transdisciplinarity in Science and Technology
Corneliu Berbente, Sorin Berbente, Marius Brebenel
A possible new definition of the fundamental measure units

85

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