Results 21 to 30 of about 5,025 (158)

Development of a Mathematical Model of Operation Reliability of Mine Hoisting Plants

Mathematics
The work analyzes the performance assurance of mine hoisting machines, including the problem of the quality of performance of the functions. The quality of functioning allows evaluation of a set of properties of the process of lifting loads, designed to ...
Pavel V. Shishkin, Boris V. Malozyomov, Nikita V. Martyushev, Svetlana N. Sorokova, Egor A. Efremenkov, Denis V. Valuev, Mengxu Qi   +6 more
doaj   +1 more source

Improving the method of controlling the stress-strain state of steel structures of electromechanical systems

Metalurgija, 2023
The article presents the results of improving the method of controlling the stress-strain state of steel structures of mine hoisting machines, which can be attributed to electromechanical systems.
A. B. Zhantlessova, S. K. Zhumazhanov, T. B. Akimzhanov, Y. Zh. Sarsikeyev, B. B. Issabekova, Zh. B. Issabekov, A. D. Mekhtiyev, A. D. Alkina   +7 more
doaj  

Using optical fibers (OF) to control the stress-strain state of steel structures subject to fatigue failure

Metalurgija, 2022
The article presents the results related to developing and practical testing the method of monitoring the stress strain state of steel structures of mine hoisting machines.
V. V. Yugay, A. D. Mekhtiyev, G. S. Ozhigin, R. Zh. Aimagambetova, Y. G. Neshina, Y. Zh. Sarsikeyev   +5 more
doaj  

The clashing of in situ and pre‐cast technologies—Western trends and local traditions in concrete engineering shaping shell construction in 20th‐century Hungary

Structural Concrete, EarlyView.
Abstract After a blossoming pre‐World War II (WWII) period, the concrete construction industry in then‐socialist Hungary existed in a relative isolation from the Western World during the mid‐20th century. In this paper, we focus on the body of work of one of the then newly established state‐owned design offices, IPARTERV, to show how the isolation ...
Orsolya Gáspár, Péter Haba
wiley   +1 more source

Comparing isoflurane and desflurane: A prospective randomised blinded clinical trial in horses undergoing elective surgery

Veterinary Record, EarlyView.
Abstract Background The recovery period is associated with the greatest risk of injury for horses undergoing anaesthesia. Recovery quality and duration can be influenced by the volatile agent. Methods This prospective, randomised blinded clinical investigation recruited 101 healthy client‐owned horses undergoing elective surgery at one UK equine ...
Kate White, John Hird, Polly Taylor
wiley   +1 more source

The Technical and Economic Aspects of Using DC or AC Motors in the Drive of Hoisting Machines

Energies
A hoisting machine is one of the main components of an underground mine process line. The drive systems currently used in these machines are based on direct current, synchronous, or induction (AC) motors. Power electronic converters are used to power and
Tomasz Siostrzonek, Jacek Pytel, Tomasz Karpiel   +2 more
doaj   +1 more source

Use of computer simulation to establish parameters of steel structure strengthening elements

Metalurgija, 2022
The article presents the results of computer simulation related to establishing the parameters of mine hoisting machine steel structure strengthening elements. The simulation was performed using the ANSYS computer program.
A. D. Mekhtiyev, R. Zh. Aimagambetova, P. A. Kropachev, A. A. Kalinin, S. Zh. Aizhambayeva, Y. Zh. Sarsikeyev   +5 more
doaj  

Inter‐disciplinary perspectives on sustainability in machinery manufacturing

International Journal of Management Reviews, EarlyView.
Abstract Perspectives on economic, social and environmental sustainability in machinery manufacturing are changing. These are predominantly driven by increased consumer, firm and public knowledge on the importance of sustainability and the role that machinery manufacturers can play to achieve sustainability outcomes.
Oluwaseun E. Olabode, Eleni Zantidou, Olaide F. Olabode, Afolakemi A. Jedidiah, Simon Fletcher, Andrew Longstaff   +5 more
wiley   +1 more source

Assessment of energy efficiency improvement strategies for ventilation and hoisting systems during the reconstruction of the Molibden mine

Горные науки и технологии
The economic efficiency of high-performance mining enterprises largely depends on the parameters and operating modes of energy-intensive equipment.
Roman V. Klyuev
doaj   +1 more source

Straddle carrier routing optimization at container terminals utilizing telemetry‐based prediction

International Transactions in Operational Research, EarlyView.
Abstract Efficient vehicle routing and scheduling for horizontal transport means on container terminals can reduce lead times and travel distances, resulting in fuel savings and productivity gains. We apply machine learning to emulate operational processes, bridging the gap between theoretical optimization models and real‐world practices at container ...
Julian Neugebauer, Ahmet Cürebal, Leonard Heilig, Stefan Voß   +3 more
wiley   +1 more source