Zobrazeno 1 - 10
of 124
pro vyhledávání: '"Răzvan Bogdan"'
Publikováno v:
Journal of Research and Innovation for Sustainable Society, Vol 6, Iss 1, Pp 5-9 (2024)
The work highlights the possibility of reducing electricity consumption by building homes, offices, production spaces, etc., by placing them in such a way that the sunlight is used instead of artificial light. The placement of constructions in the
Externí odkaz:
https://doaj.org/article/805602711da840c8ba26082b67d40ddd
Publikováno v:
Future Internet, Vol 16, Iss 6, p 195 (2024)
In an era of connectivity, the Internet of Things introduces smart solutions for smart and sustainable agriculture, bringing alternatives to overcome the food crisis. Among these solutions, smart greenhouses support crop and vegetable agriculture reg
Externí odkaz:
https://doaj.org/article/82d2857624fa405b8b7abc373093cd78
Autor:
Răzvan Bogdan ITU, Iosif DUMITRESCU
Publikováno v:
Journal of Research and Innovation for Sustainable Society, Vol 13, Iss 1, Pp 63-69 (2020)
The paper presents aspects regarding reduction calculation of a rectilinear homogenous bar in a material point system maintaining the same inertial properties as the bar
Externí odkaz:
https://doaj.org/article/0333a7f703ad413e9d0e31a82b8ba97e
Autor:
Răzvan Bogdan ITU, Iosif DUMITRESCU
Publikováno v:
Journal of Research and Innovation for Sustainable Society, Vol 13, Iss 1, Pp 70-77 (2020)
The paper presents aspects regarding the possibility of reducing a neohomogeneous rectilinear bar for which its density variation is known, to a system of material points, maintaining the same inertial properties as that of the bar.
Externí odkaz:
https://doaj.org/article/ace065282f3946dfa78bce9c16026e64
Autor:
Răzvan Bogdan ITU, Iosif DUMITRESCU
Publikováno v:
Fiabilitate şi Durabilitate, Vol 24, Iss 2, Pp 49-54 (2019)
E It is well known that couplings are linkage and driving organs which have the role of transmitting the rotation movement from one shaft to another or from one machine organ to another. The transmission is made without the modification of the valu
Externí odkaz:
https://doaj.org/article/5684cd6cc9be4bdc86964872c1935f18
Autor:
Răzvan Bogdan Itu, Iosif Dumitrescu
Publikováno v:
Analele Universităţii "Constantin Brâncuşi" din Târgu Jiu: Seria Inginerie, Vol 2019, Iss 2, Pp 59-64 (2019)
In this paper, we present the constructive solution for a cage with two storeys for the Unirea Shaft from the Slănic Prahova Saline with the purpose of doubling the flux of persons transportation on teh shaft.
Externí odkaz:
https://doaj.org/article/ae4ee28565c241fbb5e94b68ae840a85
Autor:
Răzvan Bogdan ITU, Iosif DUMITRESCU
Publikováno v:
Fiabilitate şi Durabilitate, Vol 23, Iss 1, Pp 121-128 (2019)
Extracting coal from the underground and sterile from Mining Plant Lonea is made by using the extraction installation with a skip, which includes an extraction machine located in the tower of the old pit, having two skips of 8 tons each. Any malfun
Externí odkaz:
https://doaj.org/article/d1295b58f59b45c4a2965fd64df4f544
Autor:
Răzvan Bogdan ITU, Iosif DUMITRESCU
Publikováno v:
Fiabilitate şi Durabilitate, Vol 23, Iss 1, Pp 129-134 (2019)
The extraction machine includes as components a cylindrical reducer with two steps, between the two electrical engines of 500 kW and the drive wheel. At the level of the revolution gear of the extraction machine, in time, damage to the gears' teeth
Externí odkaz:
https://doaj.org/article/368b7877730647b6aa8e6071dfc29c41
Autor:
Răzvan Bogdan ITU, Vilhelm ITU
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1, Iss 21, Pp 94-100 (2018)
Every extraction machine is endowed with a braking system while ensure the right movement of the hoisting vessels, or allows to stop the machine in a certain position of the vessels (brake tests) and the automatic brake device, independently of the
Externí odkaz:
https://doaj.org/article/af85adaadaa14497aeaf8eebc17f626b
Autor:
Răzvan Bogdan ITU, Vilhelm ITU
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1, Iss 21, Pp 101-106 (2018)
In the paper there are presented certain aspects concerning the determination of the state of strain and displacements from the structure of the towers of the extracting installations due to the loads transmitted through the bearings of the extract
Externí odkaz:
https://doaj.org/article/9f33b73d1eee43f19be718675bf21c40