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Heat transfer and flow structure in a detached latticework duct

A numerical method was used to study the effect of clearance and rotational number on the thermal performance in a detached latticework duct. The latticework duct, which had four-entry sub-channels, was located in a simplified rectangular channel. The crossing angle for each sub-channel was 45°. The numerical studies were conducted with various clearances (0–0.5) and various rotational numbers (0–

When drivers of clusters shift scale from local towards global : What remains for regional innovation policy?

Industries and regional economies evolve as a result of the interplay between local and non-local factors. Increasing globalization of both production- and innovation activities implies a shift in the relevant scales of interaction from the local towards the global level. This paper is concerned with the implications of such scale shifts for the role of the region and for cluster-related regional

Machine learning methods to assist energy system optimization

This study evaluates the potential of supervised and transfer learning techniques to assist energy system optimization. A surrogate model is developed with the support of a supervised learning technique (by using artificial neural network) in order to bypass computationally intensive Actual Engineering Model (AEM). Eight different neural network architectures are considered in the process of devel

Elevers förståelse av tekniska system och designprocesser : Det är tekniskt, ganska svårt och avancerat

In a technologically dependent society, like the one we are living in today, it is of importance to develop citizens' technological literacy, including an understanding of technological processes and technological systems and the ability to make informed decisions. Technology is a compulsory subject in Swedish compulsory school. The curriculum requirements include the abilities to identify, analys

Hysterotomy level at Cesarean section and occurrence of large scar defects : a randomized single-blind trial

Objective: To study the association between the level of Cesarean hysterotomy and the presence of large uterine scar defects 6–9 months after delivery. Methods: This was a two-center, randomized, single-blind trial of a surgical procedure with masked assessment of the principal outcome under study. Women without a history of Cesarean section (CS) who underwent emergency CS at cervical dilatation ≥

Real-world costs of continuous insulin pump therapy and multiple daily injections for type 1 diabetes : A population-based and propensity-matched cohort from the Swedish National Diabetes Register

OBJECTIVE To investigate real-world costs of continuous insulin pump therapy compared with multiple daily injection (MDI) therapy for type 1 diabetes. RESEARCH DESIGN AND METHODS Individuals with type 1 diabetes and pump therapy in the Swedish National Diabetes Register (NDR) since 2002 were eligible. Control subjects on MDI were matched 2:1 using time-varying propensity scores. Longitudinal data

Banknotes as a Symbol of Economic and National Power. : A Case Study of German, French and Italian Banknotes in the 19th and First Half of the 20th Century.

Banknotes and their design play an important role in creating a nation’s identity.This paper analyzes the design of German, French and Italian banknotes in the period after the formation of national states in the 19th century until the outbreak of World War II. We take into account the economic development of these countries and relate it to banknote issuance. Our analysis reveals that the banknot

Financial frictions, financial regulation and their impact on the macroeconomy

In the aftermath of the global financial crisis, increasing attention has been paid to the role played by financial factors in business cycle fluctuations. The crisis also led to the development of economic policies, beyond traditional microprudential regulation, that promote financial stability. Macroprudential policy is one such tool. It fosters a more resilient financial system by directly tack

Pluviala översvämningar i stort och smått

Urbana, pluviala översvämningar orsakar stor skada på infrastruktur, byggnader och stadslivet under och efter extremregn. I den här studien har anmälningar och rapporter från försäkringsbolag och VA-huvudmannen i Malmö, VA Syd, analyserats spatialt. Målsättningen var att få en bättre förståelse för de mekanismer som påverkar pluviala översvämningar, dvs. översvämningar från intensiva regn, ibland Urban, pluvial flooding severely effects infrastructure, buildings and urban life during and after extreme rainfall. In this study, spatial analyses of flood claims from insurance companies and the water utility company of Malmö, VA Syd, are used to better understand the mechanisms and characteristics of pluvial flooding. The same data sets are used to analyse how blue-green infrastructure impacts