Freevalve AB utvecklar kamlösa ventilsystem till förbränningsmotorer med hjälp av pneumatiska samt hydrauliska system. En luftkompressor används för att generera tryck till den pneumatiska kretsen. För att öka effektiviteten hos Freevalves ventilsystem skall en ny kompressor, designad specifikt för applikationen, utvecklas av företaget. Den här uppsatsen är en del av utvecklingen av denna kompreFreevalve AB develops camless valvetrains for internal combustion engines using pneumatic and hydraulic systems. An air compressor is used to generate pressure in the pneumatic system. To further increase efficiency of the Freevalve system, a new compressor tailored to its purpose, is being developed in house. This thesis is part of the development of this compressor, which is a reciprocating pis

As technology advances and population rises, requirements for everyday doors change. In the industrial sector, companies have to keep up with the increase in supply and demand. A well-functioning industrial folding door contributes to a steady flow of goods. Folding doors come in many different sizes and are often installed in narrow spaces. In order for any door supplier to stay competitive, offe

Baobab är ett träd som främst växer i Afrika, men även förekommer i östra Indien, Sydamerika och Australien. På träden, som kan bli upp till 20 meter höga, växer frukten Baobab. I vardagligt tal brukar frukten benämnas som apbröd, detta eftersom babianerna gärna äter sig mätta på frukten. Det är inte bara babianer som tycker om frukten, utan även människor. Frukten är näringsrik då den innehåller Introduction: In this work, oil from Baobab seeds was extracted and analysed in order to determine how much oil the seeds contain and the fatty acid composition of the seeds. Background: A lot of seeds go to waste when either producing drinks of Baobab fruit or simply eating the fruit raw. Thus, it would be favourable if it was possible to produce a product based on the left-over seeds, suitably

This study focuses on the relationship between education and economic growth, specifically the effect a potential decline in schooling caused by the ongoing Covid-19 pandemic would have on the economic growth of a country. Using an inductive approach, the study focuses on the Sub- Saharan African countries, especially Kenya, since there is anecdotal evidence that a significant number of students h

Only recently has a geographical viewpoint on sustainability transitions opened up the containerized view on transition trajectories. Next to the important step of institutionalising niche logics transforming them into regime rationalities, the multi-scalar perspective reveals that niches, as well as regimes, can also upscale. This means that the socio-technical configuration of the niche or r

A large share of the existing building stock in Sweden originates from the so-called Million Building Programme, a large-scale construction wave between 1965 and 1974 to tackle the housing shortage at this time. Those buildings have very high energy demand and require renovation due to age and often neglected maintenance. The Swedish government’s long-term climate and energy goals are tied to an e

Tropical forests are of great importance to all living-beings due to their high biodiversity and the valu-able resources, such as food and fuel, they provide. In addition, tropical trees sequester a high amount of carbon and consequently over half of the global forest carbon stock can be found in the tropics. Climate change, however, might weaken this carbon sink and possibly result in tropical fo

Research conducted on industrial symbiosis often brings up the importance of trust and collaboration related constraints and enablers if inter-organizational efforts are to be pursued. This is also found in literature related specifically to Sweden and its agri-food sector. There are limited examples of collecting empirical evidence on trust in relation to IS and even less so with a focus on SMEs.

The increasing amount of renewable energy in the electrical grid comes with several challenges, of which overvoltage and congestion (overcurrents) are the subjects of this work. One flexible way of handling these problems is active management by some control system. There is a trade-off between simplicity when implementing the control system and the performance. In the project Active Network Manag

The outbreak of the Covid-19 pandemic triggered changed circumstances extensively. One aspect of such changes arise from issues in cross-border supply contracts, for example due to incapability of contractual performance because of entry bans and lack of labor force as the employees were set on quarantines. Usually contractual non-performance leads to breacher’s liability for damages, but exceptio

Detta är en kvalitativ studie som syftar till att undersöka hur transpersoner från deras egna perspektiv diskuterar utsatthet för hatbrott och den eventuella påverkan det medför. Syftet baserades dels på ett nyligen tillkommit hatbrottsmotiv för könsöverskridande identitet och uttryck samt dels en brist på kvalitativ forskning om hatbrott mot transpersoner. Den fråga som ämnades att besvaras var:

Reducing the environmental impact from packaging has become a highlight in both consumers and industrial interest. The paperboard from virgin fibres is commonly used in the folding carton packaging across various type of products, including health care products. It provides the premium perception to the product value yet less circulates the fibre economy. After the paperboard folding carton serves

Ecosystem services from forests provide society with a multitude of benefits. However, current research shows that in Swedish forests aspects of ecosystem services have a status ranging from “moderate” to “inadequate”. The Swedish Environmental Protection Agency set up environmental quality objectives (EQOs) specifically with the aim of identifying environmental problems that need to be addressed

This thesis aims to investigate the automatic tuning of hardware parameters in a camera's image processing pipeline. In order to solve the tuning problem, it is formulated as a black-box optimization problem centered around a physical camera unit. Optimization is performed by comparing the camera's output to a reference image. Several black-box optimization algorithms were tested: Bayesian

This thesis concerns oaths, curses, and prayers in Roman comedy, more precisely the comedies by the playwriter Terence (185/84 - 159 BC). So-called informal/interjectional oaths and prayers constitute the main focus of this investigation, however, asseverations, formal oaths, formal prayers, and curses are included as well. In this study, carried out by utilizing the methodological frameworks herm

This work studies the role of art in the novel Difficult Light, by the Colombian writer Tomás González, by applying traditional aesthetic concepts from Taoism and Zen Buddhism. To this end, correspondences between Taoist and Zen Buddhist thinking and the author's ideological stance are identified. Also, the interaction of Difficult Light with other texts that make up González's narrative u

Syftet med denna uppsats är att, genom en pedagogiskt riktad textanalys, undersöka hur Vilhelm Mobergs Utvandrarna (1949/2020) kan användas i kunskaps- och demokratiutvecklande undervisning med fokus på värdegrundsfrågor i svenskundervisningen på gymnasiet, och med det kartlägga romanens didaktiska potential. Målet är även att bidra till att svensklärare kan använda uppsatsen praktiskt, och därförThe purpose of this essay is to explore the ways in which Vilhelm Moberg’s The Emigrants (1949) can be used in education merging the Swedish subject with the contents of the curriculum. This will be achieved through applying a pedagogically aimed textual analysis, which will demonstrate the novel’s didactic potential. Another objective is to show how teachers can use the essay’s findings practical

Vår kunskap om växter har ökat sedan den första jordbruksrevolutionen för mer än 10.000 år sedan, men det är fortfarande mycket vi inte vet. Med moderna mikroskop och genmodifieringstekniker har växtcellernas inre processer börjat kartläggas. Genom att använda fluorescerande markörer som är bundna till de protein man vill undersöka så kan man se var dessa proteiner finns på cellnivå. Ett problem äA problem with cellular image data from plant tissues is that it is difficult to compile and compare data from different specimens due to their varying morphology. In this thesis, a method for compiling image data from different tissues in a unified geometry is developed and evaluated on early floral buds of Arabidopsis thaliana. The proposed method can transfer subcellular resolution data between

Med allt större efterfrågan på tillgänglig data ökar antalet REST API:er markant världen över. Varje REST API har någon form av referensdokumentation, vilket är avgörande för förståelsen samt användandet av ett API. Samtliga API-leverantörer bör således överväga optimering av referensdokumentationens användbarhet för att underlätta inlärning och användning av sin produkt. Denna masteravhandling uWith an increasingly growing demand for accessible data, the amount of REST API:s worldwide is growing. All REST API:s come with some form of reference documentation, which is crucial for the comprehension and usage of the API. Every API provider should therefore consider the usability of their reference documentation, to facilitate the learning and usage of their product. This master's thesi