Fast calculation of real fluid properties for steam turbine CFD analysis with the new IAPWS standard on the spline-based table look-Up method (SBTL)

Workshop byl částečně podpořen projektem CZ.1.07/2.3.00/20.0139. Tento projekt je spolufinancován Evropským sociálním fondem a státním rozpočtem České republiky

Solution of inverse problem - regularization via thermodynamical criterion

In engineering practice, measuring temperature on both sides of a wall (of, for example, turbine casing or combustion chamber) is not always possible. On the other hand, measurement of both temperature and heat flux on the outer surface of the wall is possible. For transient heat conduction equation, measurements of temperature and heat flux supplemented by the initial condition state the Cauchy problem, which is ill-conditioned In this paper, the stable solution is obtained for the Cauchy problem using the Laplace transformation and the minimisation of continuity in the process of integration of convolution. Test examples confirm proposed algorithm for the inverse problem solution.Papers presented to the 12th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Costa de Sol, Spain on 11-13 July 2016

Quantifying Sources of Variability in Infancy Research Using the Infant-Directed-Speech Preference

Psychological scientists have become increasingly concerned with issues related to methodology and replicability, and infancy researchers in particular face specific challenges related to replicability: For example, high-powered studies are difficult to conduct, testing conditions vary across labs, and different labs have access to different infant populations. Addressing these concerns, we report on a large-scale, multisite study aimed at (a) assessing the overall replicability of a single theoretically important phenomenon and (b) examining methodological, cultural, and developmental moderators. We focus on infants’ preference for infant-directed speech (IDS) over adult-directed speech (ADS). Stimuli of mothers speaking to their infants and to an adult in North American English were created using seminaturalistic laboratory-based audio recordings. Infants’ relative preference for IDS and ADS was assessed across 67 laboratories in North America, Europe, Australia, and Asia using the three common methods for measuring infants’ discrimination (head-turn preference, central fixation, and eye tracking). The overall meta-analytic effect size (Cohen’s d) was 0.35, 95% confidence interval = [0.29, 0.42], which was reliably above zero but smaller than the meta-analytic mean computed from previous literature (0.67). The IDS preference was significantly stronger in older children, in those children for whom the stimuli matched their native language and dialect, and in data from labs using the head-turn preference procedure. Together, these findings replicate the IDS preference but suggest that its magnitude is modulated by development, native-language experience, and testing procedure

A multi-element psychosocial intervention for early psychosis (GET UP PIANO TRIAL) conducted in a catchment area of 10 million inhabitants: study protocol for a pragmatic cluster randomized controlled trial

Multi-element interventions for first-episode psychosis (FEP) are promising, but have mostly been conducted in non-epidemiologically representative samples, thereby raising the risk of underestimating the complexities involved in treating FEP in 'real-world' services

Modeling and Simulation of the Dynamic Operating Behavior of a High Solar Share Gas Turbine System

Workshop byl částečně podpořen projektem CZ.1.07/2.3.00/20.0139. Tento projekt je spolufinancován Evropským sociálním fondem a státním rozpočtem České republiky

Charakterisierung von Werkstoffermüdung in austenitischen Werkstoffen unter Anwendung von HTSL-SQUIDs. Teil 1: SQUID-Magnetometer und Ermüdungsproben

Trotz intensiver Forschung ist es bisher nicht möglich, die Ermüdung auf der Grundlage der Ergebnisse von Werkstoffprüfungen zu quantifizieren. Es ist deshalb das Ziel des Forschungsvorhabens, mit Hilfe von SQUID-Meßtechnik den vorliegenden Verformungszustand zu bewerten. Dabei wird die Tatsache, daß sich in austenitischen Stählen bei zyklischer Belastung martensitische Phasen ausbilden, berücksichtigt. Um einen Meßplatz für sorgfältige Referenzmeßungen zur Aufnahme zwei- und dreidimensionaler magnetischer Feldverteilungen über den Ermüdungsproben an verschiedenen Orten zu besitzen, wurde ein mit Mumetall abgeschirmtes SQUID-Magnetometer mit einer X-Y-Verfahreinheit und Höhenverstellung angefertigt. Der im Kraftwerks- und Anlagenbau häufig eingesetzte metastabile austenitische Stahl X6 CrNiti 18 10 wurde hinsichtlich seiner mechanischen Eigenschaften und seiner Stabilität gegen verformungsinduzierte Martensitbildung charakterisiert