Results 1 to 10 of about 42,948 (219)

Solving characteristic parameters of heavy-duty gas turbines using parameter estimation method. [PDF]

open access: yesPLoS ONE
In gas turbine simulation, precise parameterization of components is essential for reliable performance prediction, yet manufacturers usually provide only limited operational data.
Jinling Chi   +4 more
doaj   +2 more sources

Mathematical model for predicting the ultrasonic pulse velocity of concrete

open access: yesCogent Engineering, 2023
This paper proposes a mathematical model approach to predict the Ultrasonic Pulse Velocity (UPV) of concrete. This paper presents the formulation, calibration, evaluation, and validation of the proposed UPV model. An experimental program was developed to
Fayez Moutassem, Issam Miqdadi
doaj   +1 more source

Sustainability in Supply Chain Management: Aggregate Planning from Sustainability Perspective. [PDF]

open access: yesPLoS ONE, 2016
Supply chain management that considers the flow of raw materials, products and information has become a focal issue in modern manufacturing and service systems.
Metin Türkay   +2 more
doaj   +1 more source

Model-based optimization of controlled release formulation of levodopa for Parkinson’s disease

open access: yesScientific Reports, 2023
Levodopa is currently the standard of care treatment for Parkinson’s disease, but chronic therapy has been linked to motor complications. Designing a controlled release formulation (CRF) that maintains sustained and constant blood concentrations may ...
Yehuda Arav, Assaf Zohar
doaj   +1 more source

Wear problem for tube with thin nonuniform inner coating and rigid insert with complex profile [PDF]

open access: yesE3S Web of Conferences, 2021
The article describes the formulation of the problem of wear of an elastic pipe with a nonuniform internal coating by a rigid insert, the diameter of which is variable.
Kazakov Kirill E., Kurdina Svetlana P.
doaj   +1 more source

Modeling of behavior of the option. The formulation of the problem [PDF]

open access: yesКомпьютерные исследования и моделирование, 2015
Object of research: The creation of algorithm for mass computations of options price for formation of a riskless portfolio. The method is based on the generalization of the Black-Scholes method.
A. V. Bogdanov   +3 more
doaj   +1 more source

IMPROVING UNDERWATER ACCURACY BY EMPIRICAL WEIGHTING OF IMAGE OBSERVATIONS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
An underwater imaging system with camera and lens behind a flat port does not behave as a standard pinhole camera with additional parameters.
F. Menna   +8 more
doaj   +1 more source

Development of electrical power transmission system linear hybrid state estimator based on circuit analysis techniques

open access: yesHeliyon, 2022
Electrical power systems are in rapid evolution, necessitating advanced monitoring, control, and protection aspects connected to an accurate knowledge of the state of the grid.
Mercy Ndinda Kiio   +2 more
doaj   +1 more source

A generalized differential equation compartmental model of infectious disease transmission

open access: yesInfectious Disease Modelling, 2021
For decades, mathematical models of disease transmission have provided researchers and public health officials with critical insights into the progression, control, and prevention of disease spread. Of these models, one of the most fundamental is the SIR
Scott Greenhalgh, Carly Rozins
doaj   +1 more source

Selecting a squeeze film damper model for solving problems of gas turbine engine rotor dynamics

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2017
Various standard mathematical squeeze film damper (SFD) models that can be applied for solving rotor dynamics problems of gas turbine engines (GTE) are presently available.
M. K. Leontiev, M. N. Kutakov
doaj   +1 more source

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