The paper presents an experimental study on heat transfer coefficients in a straight rectangular channel containing continuous transverse ribs. The ribs were located on one side of the channel which is heated with a uniform heat flux. Three values of the rib pitch-to-height ratio (10, 20 and 30) were considered, with the Reynolds number, based on the channel hydraulic diameter, ranging from 57,000

Most of the common modeling approaches to premixed combustion in engineering applications are either based on the assumption of infinitely fast chemistry or the flamelet assumption with simple chemistry. The level-set flamelet library approach (FLA) has shown great potential in predicting major species and heat release, as well as intermediate and minor species, where more simple models often fail

Popular Abstract in Swedish POPULÄRVETENSKAPLIG SAMMANFATTNING PÅ SVENSKA Vår arvsmassa finn's lagrad som linjära dubbelsträngade DNA-molekyler, kromosomer, i våra celler. Celler i vävnader och organ förnya's ständigt genom celldelning. Kromosomerna i en cell måste replikera's för att kunna ge upphov till två nya celler. Replikeringsmaskineriet har bara förmågan att arbeta i en riktning läng's meABSTRACT Telomerase activity is a potential molecular marker for cancer and primitive cells in regenerative tissues. The most commonly used method to measure telomerase activity in cells is the telomerase reverse amplification protocol (TRAP) assay, where the protein extracts derived from homogenized cells are analysed. In this thesis we focused on developing a method where telomerase activity co

This dissertation examines the characteristics of Iranian nationalist discourse between the World Wars. By looking at texts of intellectuals, men and women, published in three journals (Iranshahr, Name-ye Farangestan, and Ayandeh) in the 1920s this study maps the content of nationalist discourse and to what extent this discourse allows for dissonance. Informed by the work of Reinhart Koselleck (co

In the last years there has been an increasing interest among scholars in what is typically Swedish and what is characteristic for a Swede. A typical question would be: what constitutes a Swede? There are various reasons for this growing interest. One of them is the increasing, permanent and progressively more marked appearance of immigrants in Sweden. In this text I will discuss the concepts ethn

This article deals with application of a pre-chamber type ignition device in a heavy duty engine operated with natural gas. A particular pre-chamber ignition strategy called Avalanche Activated Combustion (originally ’Lavinia Aktyvatsia Gorenia’ in Russian), commonly referred to as LAG-ignition process, has been studied by performing a parametric study of various pre- and main chamber mixture stre

Realist arguments are a combination of two discrete, though often intersecting, literatures. The first emerging from the works of classical realists such as Thucydides and Machiavelli, and the second spreading across the history of Western philosophy. One of the most significant aspects of realism is its use of historical evidence, as if one can detect a timeless wisdom of world politics centred u

This account of genocide in the twentieth century contains a) a description of cases, b) an interpretation of different mechanisms of genocide and c) a comparative analysis of genocides as a historical phenomenon in the modern era. The text is divided into sections that are interrelated. The introduction gives a general background to the concept, describes the Genocide Convention and defines the