Results 21 to 30 of about 6,172,268 (319)

Advanced lifetime assessment of steam turbine components based on long-term operating data

open access: yesArchive of Mechanical Engineering, 2023
The paper presents a new method of lifetime calculations of steam turbine components operating at high temperatures. Component life is assessed on the basis of creep-fatigue damage calculated using long-term operating data covering the whole operating ...
M. Banaszkiewicz   +2 more
semanticscholar   +1 more source

Concept of advanced lifetime monitoring system for steam turbines

open access: yesDiagnostyka, 2021
The increasing share of renewables in electricity production adversly affects the operation of thermal plants, including steam turbine units. Intermittency of renewable sources results in high variability of steam turbine operating conditions, which ...
Mariusz Banaszkiewicz
doaj   +1 more source

Failure analysis and lifetime assessment of IGBT power modules at low temperature stress cycles

open access: yesIET Power Electronics, 2021
Funding: Research Council of Norway (Norges Forskningsråd), Grant number: 244010 Abstract Lifetime models of high-power Insulated Gate Bipolar Transistors modules express the number of cycles to end of life as a function of stress parameters.
M. Hernes   +3 more
semanticscholar   +1 more source

Lifetime assessment of structural concrete – multi-scale integrated hygro-thermal-chemo-electrical-mechanistic approach and statistical evaluation

open access: yesStructure and Infrastructure Engineering, 2021
To perform the assessment of reinforced concrete infrastructures in service, a multi-scale simulation has been developed and improved with an integrated hygro-thermal-chemo-electrical-mechanistic approach.
Zhao Wang, K. Maekawa
semanticscholar   +1 more source

Presymptomatic risk assessment for chronic non-communicable diseases [PDF]

open access: yes, 2010
The prevalence of common chronic non-communicable diseases (CNCDs) far overshadows the prevalence of both monogenic and infectious diseases combined. All CNCDs, also called complex genetic diseases, have a heritable genetic component that can be used for
AC Morrison   +34 more
core   +9 more sources

Lifetime Assessment of PILC Cables with Regard to Thermal Aging Based on a Medium Voltage Distribution Network Benchmark and Representative Load Scenarios in the Course of the Expansion of Distributed Energy Resources

open access: yesEnergies, 2021
The decentralized feed-ins from distributed energy resources (DER) represent a significant change in the manner in which the power grid is used. If this leads to high loads on electrical equipment, its aging can be accelerated. This applies in particular
M. Zapf   +5 more
semanticscholar   +1 more source

One-Year Consistency in Lifetime Frequency Estimates and Functions of Non-Suicidal Self-Injury in a Clinical Sample

open access: yesFrontiers in Psychiatry, 2020
Non-suicidal self-injury (NSSI), the direct, deliberate destruction of one’s own bodily tissue in the absence of an intent to die, is frequently used for evaluating treatment in clinical care.
Daiva Daukantaitė   +5 more
doaj   +1 more source

Carrier lifetime assessment in integrated Ge waveguide devices [PDF]

open access: yes, 2015
Carrier lifetimes in Ge waveguides on Si are deduced from time-resolved pump-probe spectroscopy. For a 1 pm wide Ge waveguide, a lifetime of 1.6 ns is estimated for a carrier density of around 2 x10(19) cm(-3)
Absil, P   +6 more
core   +2 more sources

Lifetime Psychotic Symptoms Assessed With the DIS [PDF]

open access: yesSchizophrenia Bulletin, 1983
Data on a lay interviewer's use of the Diagnostic Interview Schedule (DIS) to ascertain lifetime psychotic symptoms in patients where these experiences have been previously documented is reported. The subjects in this study had been identified as patients 11 years previously and had participated in several followup research interviews with research ...
A E, Pulver, W T, Carpenter
openaire   +2 more sources

The State of Behavior Change Techniques in Virtual Reality Rehabilitation of Neurologic Populations

open access: yesFrontiers in Psychology, 2019
Background: Neurologic rehabilitation aims to restore function, address barriers to activity, and improve quality of life in those with injury to the nervous system.
Danielle T. Felsberg   +2 more
doaj   +1 more source

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