Zobrazeno 1 - 10
of 6 127
pro vyhledávání: '"operating conditions"'
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 70, Iss No 3, Pp 637-642 (2024)
The aim of this article is to present modern methods for analysing the performance of certified measuring instruments. The design of a system for analysing the performance of certified measuring instruments is presented. In the first part, the tradit
Externí odkaz:
https://doaj.org/article/8375911330994491a393df43908c4806
Publikováno v:
Kongzhi Yu Xinxi Jishu, Iss 3, Pp 59-65 (2024)
This paper presents a method to establish typical operating conditions for train traction systems by combining site-based short trip analysis with nonparametric tests, in order to overcome various obstacles, such as inadequate efficiency testing resu
Externí odkaz:
https://doaj.org/article/c7f5571f262b4012812cc0efa11ca94c
Publikováno v:
Energy Storage and Saving, Vol 3, Iss 2, Pp 106-152 (2024)
Due to its zero emissions, high efficiency and low noise, proton exchange membrane fuel cell (PEMFC) is full of potential for the application of vehicle power source. Nonetheless, its lifespan and durability remain multiple obstacles to be solved bef
Externí odkaz:
https://doaj.org/article/19f0a0598f0644d2b8aae413dccacb3b
Publikováno v:
Актуальные вопросы пожарной безопасности, Vol 20, Iss 2, Pp 33-38 (2024)
The article deals with the issues of the scope and sequence of fire-technical equipment tests. There is shown the difference in tests within product commissioning and during tests confirming the daily performance of products. There is considered the
Externí odkaz:
https://doaj.org/article/7137dfc92edc43feb9b1693dea85f6a0
A full operating conditions ejector model for refrigeration systems driven by low-grade heat sources
Publikováno v:
Case Studies in Thermal Engineering, Vol 60, Iss , Pp 104670- (2024)
The ejector refrigeration technology driven by low-grade heat sources constitutes as one of the crucial means to solve the energy shortage in present-day society and to reduce the global environmental pollution. Thermodynamics ejector models are the
Externí odkaz:
https://doaj.org/article/d0c82736290f432a82d6ea9f895d7bc5
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 58, Iss 3, Pp 352-360 (2024)
The health condition of hoisting gearbox bearings of quay cranes is of great importance for the safety of port production. A remaining useful life (RUL) predicting framework for lifting gearbox bearings of quay crane under time-varying operating cond
Externí odkaz:
https://doaj.org/article/8ab30894df90474ea8774fc6eff2b41e
Publikováno v:
Journal of Human, Earth, and Future, Vol 5, Iss 1, Pp 72-84 (2024)
Hydropower is an affordable, sustainable way to generate electricity. Research on hydraulic jumps focuses only on determining head loss across the jump, but there are no studies on generating power from the jump. This research aims to utilize energy
Externí odkaz:
https://doaj.org/article/47c7dc2d290e4199a4b4f31e758a19a6
Hydrodynamic lubrication behavior under miscellaneous operational conditions via CGB numerical model
Publikováno v:
Alexandria Engineering Journal, Vol 87, Iss , Pp 638-651 (2024)
The current study is basically focused on investigating the possible ways to enhance the lubricating oil film performance and hence ship energy efficiency of marine journal bearings in general terms. For the intended purpose, a novel numerical Circum
Externí odkaz:
https://doaj.org/article/ef67ed89d9484e0a8af6222240457a48
Publikováno v:
Engenharia Agrícola, Vol 44 (2024)
ABSTRACT In complex environments, beet harvesters vibrate strongly under the influence of multiple sources of excitation. The modal constraints of the harvester's frame were obtained using modal simulation, and the accuracy of the finite element mode
Externí odkaz:
https://doaj.org/article/6ac1e4cfca2e4a9a9b5c96978f696053
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102259- (2024)
Implementing the Montreal Protocol has limited the use of conventional refrigerants and has led industries to find optimal or economical eco-friendly refrigerants to reduce environmental hazards. The present study analyzes an N2O-based cascade refrig
Externí odkaz:
https://doaj.org/article/65d8ace0c51349a384379769f89c2c01