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; – Google Scholar.

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 

Costică Atanasiu, Ștefan Sorohan 

Stress concentration in the components of a drive coupling

 223 

Daniel Mărguță, Eugen Herghelegiu, Cătălin Tâmpu, Simona-Nicoleta Mazurchevici, Dumitru Nedelcu 

Technological parameters influence on biodegradable injected polymers during water jet cutting

235 

George Ghiocel Ojoc, Cornel Băbuț, Nicolae Ungureanu, Lorena Deleanu 

FEM analysis of Storz coupling

249 

C. Chemical Engineering, Materials Science and Engineering 

Grigore Bozga, Gheorghe Ivănuș, Ionuț Banu 

An analysis of dimethyl ether synthesis from syngas

259 

Cosmin Jinescu 

Technological design elements for pulsed extraction columns with sieve trays

271 

Claudia Samarineanu, Dumitra Lucan, Gabriela Tudorache 

The PbO concentration influence on oxides films developed on Incoloy 800 in CANDU secondary circuit conditions

281 

Ion Bibicu 

Mössbauer studies on steel samples

289 

Diana Paleu, Ileana-Denisa Nistor 

Aspects regarding the preparation methods of anionic clays

307 

E. Civil Engineering and Transport Engineering 

Dan Stematiu, Radu Drobot 

A procedure for rating the dam safety improvement works

323 

G. Petroleum and Mining Engineering 

Tudor Adrian Ionuț, Ripeanu Razvan George 

BEM simulation on the influence of dispersion currents on buried pipes

335 

H. Inter – and Transdisciplinarity in Science and Technology 

Valeriu V. Jinescu 

The limitations of energy accessibility, the irreversibility and two transdisciplinary principles

349 

AGIR Publishing House

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; – Google Scholar.

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
Mircea Rades
Modal analysis of a circular disc using the QLP decomposition of FRF matrices

91

Tudorache (Nistor) R.I., Samoila C., Ursutiu D. 
Determination of fatigue resistance for steels treated in thermal different ways

107

Hesam haji Hosseini Nouri, Mohsen Shahrouzi
Experimental evaluation of compressive strength of steel fiber reinforced soil

121

B. Chemical Engineering, Materials Science and Engineering
Mihai Ovidiu Cojocaru, Mihai Brậnzei, Tudor Coman, Leontin Nicolae Drugặ
Superior recovery of ferrous waste

137

Ioan Ilca, Daniela Miloştean, Ştefan Balazsi
Increasing of rolling mill rolls durability in operation. Part I

147

Diana-Carme Mirilă, Denisa-Ileana Nistor
Oxidative study of Acid Yellow 23 using K10-Montmorillonite chemically modified

159

E. Electrical and Electronics Engineering
Georgeta Alecu, Wilhelm Kappel
Elements of circular economy in the manufacture of NdFeB permanent magnets IN ICPE-CA

157

F. Petroleum and Mining Engineering
Ayham Mhanna, Mohamed Halafawi, Lazăr Avram
Tackling wellbore difficulties for drilling deviated and horizontal wells

189

Victor Arad, Nicolae Iliaş, Susana Arad, Marian Ticu, Liviu Popa, Dorin Dragan
Geotechnical research regarding the use of solid mineral tailings from the mining industry in construction, in the context of circular economy

203

Timur Chis, Renata Rădulescu
The effect of additives on the properties of crude oil

213

AGIR Publishing House

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

AGIR Publishing House

This work is licensed under a Creative Commons Attribution 4.0 International License. The Journal is included in the international database: – 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 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

Năstăsescu Vasile, Iliescu Nicolae, Marzavan Silvia
Element-Free Galerkin Method and Finite Element Method. Which is better?

287

Valeriu V. Jinescu, Vali-Ifigenia Nicolof , Iolanda Constanţa Panait

Critical stresses, deterioration and failure criteria for cracked structures

299

B. Chemical Engineering, Materials Science and Engineering

Mohamed Halafawi, Nawar Abdulrahman, Lazăr Avram
External and internal cathodic protection of storage oil tanks

315

C. Environmental Engineering and Energy

Dumitra Lucan, Șerban Constantin Valeca, Gheorghita Jinescu
Plant Life Extension programs – useful resources for preservation and amplification of Nuclear Power Plants efficiency

329

Cristian Suteanu
Wind resource assessment system based on time-scale-dependent Roughness

339

E. Electrical and Electronics Engineering

Georgeta Alecu, Wilhelm Kappel
Technology responsible for sustainable manufacturing

353

Dorin Luca, Narcis N. Popescu, Dorian D. Luca
Simulation of magnetic transitory parameters at electromagnetic forming of metal sheet

363

F. Petroleum and Mining Engineering

Grigorov Otto, Anishchenko Galina, Petrenko Nadiia, Strizhak Vsevolod, Turchyn Olha, Strizhak Marjana, Okun Anton, Radchenko Vadym
Testing of hydrodynamic drive of cranes mechanisms

371

AGIR Publishing House

This work is licensed under a Creative Commons Attribution 4.0 International License. The Journal is included in the international database: – 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 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

Paul Doru Barsanescu, Nicoleta Iftimie, Rozina Steigmann, Gabriel Silviu, Dobrescu, Narcis Andrei Danila, Adriana Savin
Damage detection of critical zones of wind turbine blades based on the complementary methods

197

B. Chemical Engineering, Materials Science and Engineering

Ioan Ilca, Diana Bistrian
Contributions to the ingots’ heating study in industrial furnaces.

205

Mihai Ovidiu Cojocaru; Tudor Andrei Coman; Mihai Branzei; Leontin Nicolae Druga
The results prediction of iron oxides aluminothermy

221

Maria Harja, Elisabeta Hultuană, Nicolae Apostolescu, Gabriela Antoaneta Apostolescu, Ramona-Elena Tătaru – Fărmuș
Viscosity of potassium carbonate solutions promoted by new amines

239

C. Environmental Engineering and Energy

Anca Duta, Cristina Bogatu, Ioana Tismanar, Dana Perniu, Maria Covei
Vis-active photocatalytic composites for advanced wastewater treatment

247

E. Electrical and Electronics Engineering

Adrian Adăscăliței, Sebastian Teodor Arădoaiei, Petru Ion Todos, Valeriu Dulgheru
Blended teaching and learning approach applied to electrical and computer engineering education

253

F. Petroleum and Mining Engineering

Dan Rădăcină, Lazăr Avram
Reverse method for determination of the qualitative wear occurring in the intermediate casing installed in oil and gas wells

263

Valentin-Paul Tudorache, Niculae-Napoleon Antonescu
Challenges of oil and gas exploration in the Arctic

273

AGIR Publishing House

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

Petru Berce, Horea Chezan, Razvan Pacurar
The mechanical behavior of a dynamically stressed customized skull implant made from different types of biomaterials by Additive Manufacturing technologies

87

Ion Bostan, Sergiu Mazuru, Serghei Scaticailov
Processes generating non-standard profiles variable convex-concav of precessional gear

111

B. Chemical Engineering, Materials Science and Engineering

Tudora Cristian Ion, Abrudeanu Marioara, Stanciu Sergiu, Anghel Daniel
Constantin, Plaiasu Gabriela Adriana, Rizea Vasile, Coteata Margareta, Dumitru
Mihai, Cimpoesu Nicanor
Activation of CuAlNi SMAs using a solar energy

123

C. Environmental Engineering and Energy

Ion Boldea, Nicolae Muntean, Lucian Tutelea, Dan Hulea
High voltage DC power distribution: a panoramic view

129

Alexandru Woinaroschy, Alice Iordache
Forecast of the evolution of a pollutant concentration from a groundwater source

141

E. Electrical and Electronics Engineering

Marinescu Andrei
The Romanian wireless power transfer network

149

F. Petroleum and Mining Engineering

Valentin-Paul Tudorache, Lazar Avram, Niculae-Napoleon Antonescu
Aspects on offshore drilling process in deep and very deep waters

157

Olumuyiwa Olusola Falowo, Akinola Olusegun Akinro
Spatial assessment of groundwater quality and hydrochemical indices in Ore, Southwestern, Nigeria

173

AGIR Publishing House

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

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

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

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

33

D. Civil Engineering and Transport Engineering

Costescu Marian Dan
Autonomous vehicles in mixed traffic: Accounting for human reactions, modelling the Anticipated Safe Distance

41

Dan Precupanu, Codrin Precupanu
Optimization criteria in the structural elements design for concrete industrial roofs. -Reinforced (prestressed) concrete structures

57

E. Electrical and Electronics Engineering

Alexandru Woinaroschy
Personal considerations about creativity and artificial intelligence

63

E. Electrical and Electronics Engineering

Omar Lahchava, Nicolae Ilias
Calculation of railway tunnels ventilation

69

AGIR Publishing House

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

Corneliu Berbente, Marius Brebenel
A comparative study of some models regarding the creation of the early universe

339

B. Chemical Engineering, Materials Science and Engineering

Ana-Maria Sivriu, Gheorghita Jinescu, Olga Sapunaru (Taga), Doinita Roxana
Tirpan, Claudia-Irina Koncsag
Theoretical and practical aspects for thermal treatment of waste vegetable oils

349

Mateescu Carmen, Nicula Nicoleta Oana, Dima Andreea-Daniela, Lungulescu Eduard-
Marius
Enzymatic pretreatment of algal biomass for enhanced conversion to biogas

361

Anteneh Geremew
Improving the properties of clay soil by using Laterite soil for production of bricks

371

C. Environmental Engineering and Energy

Gianfranco Chicco, Andrea Mazza
New insights for setting up contractual options for demand side flexibility

381

Dumitra Lucan, Șerban Constantin Valeca, Gheorghita Jinescu, Maria Mihalache
Romania’s contribution to the development of the knowledge society in the field of nuclear energy research

399

D. Civil Engineering and Transport Engineering

Atriyon Julzarika, Catur Aries Rukhmana
Detection of vertical deformation in Jakarta-Bandung high speed train route using X SAR and Sentinel

411

E. Electrical and Electronics Engineering

Mohanad Abdulhamid, Adam Olalo
Implementation of moving object tracker system

427

AGIR Publishing House

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)

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

Bostan Ion
Development of precessional transmissions from invention to
applications

219

Ionel Staretu
New experimental and minimum mathematical bases for human gripping and micromanipulation

247

B. Chemical Engineering, Materials Science and Engineering

Mateescu Carmen, Dima Andreea-Daniela, Pârvulescu Oana Cristina
Improving the biogas performance of selected waste materials by substrate
ratio optimization and microalgae addition

263

Ioan Ilca, Daniela Miloştean
Improving the manufacturing technology of structural steels

273

Petru Moldovan, Mihai Buţu
Thermodynamics of in situ formation of TiB2 particulates in complex
aluminium alloys for aeronautics

285

E. Electrical and Electronics Engineering

Claudia-Adina Bojan-Dragos, Elena-Lorena Hedrea, Radu-Emil Precup
TP–Based model transformation and gain-scheduling control of
electromagnetic actuated clutch systems

301

F. Petroleum and Mining Engineering

Carsten Drebenstedt, André Simon, Nils Hoth, Peter Jolas
Innovative approach to reduce acid mine water drainage (AMD) and dump
failures on example of German lignite mining

313

Grigorov Otto Anishchenko Galina, Petrenko Nadiia, Strizhak Vsevolod, Turchyn Olha,
Strizhak Marjana, Okun Anton
Testing of hydrostatic drive of cranes mechanisms

331

AGIR Publishing House

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)

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

Mircea Radeş
Modal analysis of a simple cyclic system

115

Constantinescu Dan Mihai, Apostol Dragoş Alexandru
Onset of densification and energy absorption efficiency of polyurethane foams

131

Bostan Viorel, Guțu Marin, Rabei Ion
Numerical simulation of transient aerodynamic processes in the vertical axis wind turbine rotor

145

Ligia Munteanu, Veturia Chiroiu, Ciprian Dragne, Cristian Rugină, Polidor Bratu
On the sonification technique

155

B. Chemical Engineering, Materials Science and Engineering

Gyorgy Thalmaier, Silvia Şuta, Niculina Sechel, Ioan Vida – Simiti
Study and research on obtaining porous materials type Al3Ti by sintering reactive

169

C. Enviromental Engineering and Energy

Bostan Ion, Bostan Viorel, Dulgheru Valeriu, Sobor Ion
Integrated irrigation system with photovoltaic panels and wind turbine

175

D. Civil Engineering

N. Sirbu
A new approach in evaluation of a spillway capacity preserving the safety requirements

185

E. Petroleum and Mining Engineering

Carsten Drebenstedt
Responsible mining approach for sustainable development – research concept and solutions

197

AGIR Publishing House