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Experimental Analysis [PDF]

open access: yes
Central to good science are accurate observations, testable hypotheses, well-designed experiments or other tests, and reasonable data analyses. The purpose of this activity is to introduce the basics of designing and analyzing experiments.
T. Mariprasath   +4 more
openaire   +3 more sources

Effect of Covering Aperture of Conical Cavity Receiver on Thermal Performance of Parabolic Dish Collector: Experimental and Numerical Investigations [PDF]

open access: yesJournal of Renewable Energy and Environment, 2021
In this study, the effect of covering the aperture area of a conical cavity receiver with an ultra-white glass on operational parameters of a Parabolic Dish Collector (PDC) was numerically and experimentally investigated under climate conditions of ...
Sina Eterafi   +2 more
doaj   +1 more source

Experimental analysis of SiO2 and CNT nanoparticles effects on the compressive strength of the concrete [PDF]

open access: yesAnalytical and Numerical Methods in Mining Engineering, 2022
This article is focused on the compressive strength of the concrete using silica oxide (SiO2) and carbon nanotube (CNT) nanoparticles. The concrete samples are mixed with a combination of nanoparticles with different percentages.
شهرام قائدی فراموشجان   +2 more
doaj   +1 more source

EXPERIMENTAL OBSERVATIONS ON EFFICIENCY DIFFERENCE BETWEEN HELICAL AND STRAIGHT BLADED VERTICAL AXIS WIND TURBINES [PDF]

open access: yesJournal of Engineering Science (Chişinău), 2020
While in operation, the straight bladed vertical axis wind turbines (VAWTs) are affected by the variations in loadings that result in torque and power oscillations. This problem is considered to be solved by adopting helical blades. However, the way this
RABEI, Ivan
doaj   +1 more source

Prostaglandin D2 metabolites activate asthmatic patient-derived type 2 innate lymphoid cells and eosinophils via the DP2 receptor

open access: yesRespiratory Research, 2021
Background Prostaglandin D2 (PGD2) signaling via prostaglandin D2 receptor 2 (DP2) contributes to atopic and non-atopic asthma. Inhibiting DP2 has shown therapeutic benefit in certain subsets of asthma patients, improving eosinophilic airway inflammation.
Saskia Carstensen   +6 more
doaj   +1 more source

Impact of noise on spinodal dewetting of liquid-liquid films

open access: yesCommunications Physics, 2023
Spinodal dewetting provides fundamental insights into the physics at interfaces, such as van der Waals forces driving dewetting, dissipation processes or thermal fluctuations.
Roghayeh Shiri   +4 more
doaj   +1 more source

A Dynamic Analysis of the Cycloid Disc Stress-Strain State

open access: yesApplied Sciences, 2023
The problem of internal forces that occur on the cycloid disc during the cycloid speed reducer operation so far has not been considered in a way that reflects its actual workloads and stresses in the cycloid disc itself.
Milos Matejic   +5 more
doaj   +1 more source

An Experimental Pricing Framework for E-Commerce

open access: yesJournal of Theoretical and Applied Electronic Commerce Research, 2021
Characterizing the demand curve of products is important for pricing them optimally. However, in deriving empirical demand curves, econometricians have to contend with identification issues.
Puneet Vatsa, Wanglin Ma, Xiaoshi Zhou
doaj   +1 more source

Experimental and Numerical Dynamic Investigation of an ORC System for Waste Heat Recovery Applications in Transportation Sector

open access: yesEnergies, 2022
ORC power units represent a promising technology for the recovery of waste heat in Internal Combustion Engines (ICEs), allowing to reduce emissions while keeping ICE performance close to expectations.
Matteo Marchionni   +4 more
doaj   +1 more source

A novel experimental static deflection equation for specific cantilever beam made of ionic polymer–metal composite

open access: yesBiomedical and Biotechnology Research Journal, 2022
Background: Nowadays, ionic polymer–metal composites are widely used in various industries. They are in the group of electroactive polymers and smart materials with electromechanical properties. By applying a small amount of voltage, the nonlinear stress
Amin Nasrollah   +3 more
doaj   +1 more source

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