Results 151 to 160 of about 24,680 (295)

Empirical Physics‐Based Normal Behavior Modeling of Drive Train Temperatures With High‐Resolution Wind Turbine Operating Data

open access: yesWind Energy, EarlyView.
ABSTRACT The installed wind energy capacity increases every year. However, operation and maintenance costs still make up a considerable portion of the levelized costs of electricity. This costs can be greatly reduced by the application of suitable early fault detection methods. The supervisory control and data acquisition system of wind turbines is one
Timo Lichtenstein   +2 more
wiley   +1 more source

Engine condition monitoring: CF6 family 60's through the 80's [PDF]

open access: yes
The on condition program is described in terms of its effectiveness as a maintenance tool both at the line station as well as at home base by the early detection of engine faults, erroneous instrumentation signals and by verification of engine health ...
Dienger, G., Kent, H. J.
core   +1 more source

Surface Flashover in 50 Years: III. Extreme Environments and Industrial Challenges

open access: yesHigh Voltage, EarlyView.
ABSTRACT Modern high‐voltage electrical equipment operates in complex environments where surface conditions are subjected to multifaceted influences from electric fields, thermal gradients, contaminants, irradiation and other extreme environmental factors.
Zhen Li   +6 more
wiley   +1 more source

Preliminary design study of a baseline MIUS [PDF]

open access: yes
Results of a conceptual design study to establish a baseline design for a modular integrated utility system (MIUS) are presented. The system concept developed a basis for evaluating possible projects to demonstrate an MIUS.
Gill, W. L.   +8 more
core   +1 more source

The agency of a marmalade machine: Gender, class and mechanical gadgets in the British Kitchen, c.1870–1938

open access: yesGender &History, EarlyView.
Abstract This article explores the marmalade machine, a mechanical device designed to slice orange peel. These niche objects were manufactured between roughly 1870 and 1938 in Britain. As a so‐called ‘labour‐saving’ gadget, the marmalade machine sliced orange peel quickly and effectively, removing the tedious process of slicing orange peel by hand ...
Katie Carpenter
wiley   +1 more source

Energy Efficient Engine: Flight propulsion system final design and analysis [PDF]

open access: yes
The Energy Efficient Engine (E3) is a NASA program to create fuel saving technology for future transport engines. The Flight Propulsion System (FPS) is the engine designed to achieve E3 goals.
Davis, Donald Y., Stearns, E. Marshall
core   +1 more source

The Impact of Midwife Experience and Time of Birth on the Risk of Obstetric Anal Sphincter Injuries (OASIS)

open access: yesBirth, EarlyView.
Background: Obstetric anal sphincter injuries (OASIS) are a significant complication of vaginal birth. Methods: This retrospective cohort included 13,651 term spontaneous vaginal deliveries at a single medical center (2020‐2025). Midwife experience (early, mid, and highly experienced), shift timing, and OASIS incidence were analyzed.
Raneen Abu Shqara   +5 more
wiley   +1 more source

Facilitated Transport of Organic Contaminants in a High Concentration, Multicomponent Plume

open access: yesGroundwater Monitoring &Remediation, EarlyView.
Abstract A field experiment evaluated the transport of organic contaminants in a plume from hazardous waste disposal areas at the Rocky Mountain Arsenal. The plume contained many xenobiotic contaminants, with widely varying expected mobilities.
D. M. Mackay   +7 more
wiley   +1 more source

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