Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Carmen Bujoreanu"'
Autor:
Stelian Alaci, Florina-Carmen Ciornei, Ionut-Cristian Romanu, Ioan Doroftei, Carmen Bujoreanu, Ioan Tamașag
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 2043 (2024)
The paper proposes a rapid, straightforward, and inexpensive method for finding the basic parameters of helical gears with an involute profile. The basic parameters envisaged are the normal module, normal profile shift coefficient, and the helix angl
Externí odkaz:
https://doaj.org/article/925698ac85e446cfbdd5d4af1e8f5663
Autor:
Stelian Alaci, Florina-Carmen Ciornei, Ionut-Cristian Romanu, Ioan Doroftei, Carmen Bujoreanu, Ioan Tamașag
Publikováno v:
Machines, Vol 11, Iss 12, p 1046 (2023)
This paper proposes a new rapid and straightforward method along with a related device for finding the three basic parameters of an actual external involute spur gear. The number of teeth is easily counted, but the other two parameters—the module a
Externí odkaz:
https://doaj.org/article/6edd77cf368241a0a4e923fb11df29f9
Autor:
Stelian Alaci, Ilie Musca, Carmen Bujoreanu, Ionut-Cristian Romanu, Nicolae-Adrian Nitu, Florina-Carmen Ciornei
Publikováno v:
Lubricants, Vol 11, Iss 8, p 340 (2023)
The paper proposes the study of dry friction by means of a short eccentric rotor. The rotor was designed and realised in the laboratory. In an ideal frictionless situation, a rotor actuated by gravity will have an angular velocity which increases ind
Externí odkaz:
https://doaj.org/article/008de8e8293946a3922e4b2e2bacdf18
Publikováno v:
Machines, Vol 10, Iss 10, p 959 (2022)
Common-rail fuel injection systems are still a good option for equipping new car models. The technology is well known, systems of this type are reliable and can be used on a wide variety of diesel and petrol engines. However, there is still room for
Externí odkaz:
https://doaj.org/article/6b1e11afc5004d4c9c09bc074f0eb237
Autor:
Alina Petrovici, Jose Luis Cueto, Valentin Nedeff, Enrique Nava, Florin Nedeff, Ricardo Hernandez, Carmen Bujoreanu, Stefan Andrei Irimiciuc, Maricel Agop
Publikováno v:
Symmetry, Vol 12, Iss 11, p 1857 (2020)
Traffic microsimulation models use the movement of individual driver-vehicle-units (DVUs) and their interactions, which allows a detailed estimation of the traffic noise using Common Noise Assessment Methods (CNOSSOS). The Dynamic Traffic Noise Asses
Externí odkaz:
https://doaj.org/article/8cf27c28c50441ba982e40740091e4f8
Publikováno v:
Bulletin of the Polytechnic Institute of Iași. Machine constructions Section. 68:107-117
The wear analysis is a basic step for assessment of the functioning of mechanical systems and helps to the products improvement. The service life of the assemblies is approximate depending on the level of wear of their components. Starting from the p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e35ee22d13b06ceeca0b1716f3535a3
https://doi.org/10.2478/bipcm-2022-0019
https://doi.org/10.2478/bipcm-2022-0019
Autor:
Nicolae-Adrian Niţu, Carmen Bujoreanu
Publikováno v:
Bulletin of the Polytechnic Institute of Iași. Machine constructions Section. 68:73-80
The modern car industry is evolving under new premises, such as new propulsion technology, which imply offering to the customer the completed new solutions (charging station, service contract and remote diagnosis). Proven diagnostic technology is rea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a57f69f1eb93190906dac3613ef6ff6
https://doi.org/10.2478/bipcm-2022-0016
https://doi.org/10.2478/bipcm-2022-0016
Publikováno v:
Bulletin of the Polytechnic Institute of Iași. Machine constructions Section. 68:41-50
Box girders bridges are widely used in modern highway systems because of their efficiency and attractive appearance. Vehicles loads represent one of the mainly factors that influence the structure reliability of the box girders bridges. Calculation o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49e7126ba8d924bf6b875afe2218d6ef
https://doi.org/10.2478/bipcm-2022-0013
https://doi.org/10.2478/bipcm-2022-0013
Publikováno v:
Bulletin of the Polytechnic Institute of Iași. Machine constructions Section. 67:33-38
The first cars with air conditioning appeared in the early 1940s. Then, 1500 Packard cars received an air conditioning system developed by Nash. In the 60s about 20% of the total production of cars had air conditioning system. Nowadays car manufactur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c69f04623639e0537e2445d6c0612da
https://doi.org/10.2478/bipcm-2021-0015
https://doi.org/10.2478/bipcm-2021-0015
Autor:
Victor Stajilov, Carmen Bujoreanu
Publikováno v:
Bulletin of the Polytechnic Institute of Iași. Machine constructions Section. 67:9-18
Strict pollution norms make car’s manufacturers to promote electrical and hybrid vehicles (EVs and HEVs). Recuperation system that can capture about 8-25% of the energy is represented by the regenerative brakes, it converts losses of kinetic energy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6afd5c88590f1638e2f571ca36e46c3d
https://doi.org/10.2478/bipcm-2021-0013
https://doi.org/10.2478/bipcm-2021-0013