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MODELING OF THE PHASE CHANGE MATERIAL OF A HYBRID STORAGE USING THE FINITE ELEMENT METHOD
To increase the efficiency of energy-intensive industrial processes, thermal energy storages can offer new possibilities. A novel approach is investigated in the project HyStEPs. In this concept, containers filled with PCM are placed at the shell surface of a Ruths steam storage, to increase storage efficiency. In this work, a two-dimensional model using the finite element method is developed to simulate the PCM of the hybrid storage as designed in the HyStEPs project. The apparent heat capacity method is applied in a MATLAB implementation, considering heat transfer by both conduction and natural convection. This successfully validated code can handle any desired layout of materials arranged on a rectangular domain. Furthermore, a parameter study of different dimensions and orientations of the PCM cavity was conducted. The impact of natural convection was found to lead to significantly varying behaviour of the studied cavities with different orientation during the charging process, while it was found to be negligible during the discharging process.
Grace Notes
This song has a grace note, a tiny note that's there for embellishment but can easily be ignored, not played. Tonight, I add it in - just because. We can all do with an extra note of grace. Grace Dalfinch is a talented violinist who longs to play contemporary music in bars, but her mum forbids her. James Crux is an aspiring street artist who promised his dad he wouldn't paint in public until he's finished school. When Crux witnesses Grace's impromptu performance on a deserted tram, he's inspired to paint her and her violin; and when Grace stumbles across her portrait in a Melbourne alley by an anonymous street artist, she sets out to find its creator. Grace Notes is a debut YA verse novel, s...
Polyedra Presents Italian Design is Coming Home, to Switzerland
"This book is a collection of the work of a group of artists who accepted Polyedra's invitation to celebrate the past, present and future of the close collaboration between Swiss and Italian designers"--P. 5.
High Performance Non-Oxide Ceramics I
The nitrides and carbides of boron and silicon are proving to be an excellent choice when selecting materials for the design of devices that are to be employed under particularly demanding environmental and thermal con- tions. The high degree of cross-linking, due to the preferred coordination numbers of the predominantly covalently bonded constituents equalling or exceeding three, lends these non-oxidic ceramics a high kinetic stability, and is regarded as the microscopic origin of their impressive thermal and mechanical durability. Thus it does not come as a surprise that the chemistry, the physical properties and the engineering of the corresponding binary, ternary, and even quaternary co...
Den enøyde kaninen
Utenfor det lille tettstedet Dalen ligger det et forlatt, gammelt hus. Det er det første David Flygare får vite da han kommer hjem til barndomstraktene på sommerferie. Sammen med fem venner tilbringer David de lange sommerdagene ved huset. De slapper av, soler seg, griller, drikker og gjør noen innbrudd i nattens mørke. Tyvegodset gjemmer de i huset. Men det som begynner som uskyldig småkriminalitet, går over i mer alvorlige lovbrudd, og snart er det ikke bare tyvegods som må gjemmes i huset ... Christoffer Carlsson vant Svenska Deckarakademins pris for å ha skrevet årets beste svenske kriminalroman 2013 i tillegg til at han er Sveriges nominerte til årets skandinaviske krimpris Glassnøkkelen 2014.
Den enögda kaninen
Bortom det lilla samhället Dalen finns ett övergivet hus. Det är det första David Flygare får veta när han återvänder till sin barndomsstad för sommaren. Tillsammans med fem vänner tillbringar han de långa sommardagarna vid huset. De solar, grillar, dricker, har sex och begår inbrott i skydd av natten. Men stölderna skapar oro i det lilla samhället. Och när en ensam gammal man dessutom försvinner börjar det koka under ytan, vad är det egentligen som pågår i Dalen? "Den enögda kaninen" är Christoffer Carlssons andra roman, från 2011, en berättelse om kärlek och vänskap, hemligheter och lögner. Carlsson har sedan debuten med Fallet Vincent Franke 2010 blivit en av Sveriges främsta författare och 2013 belönades han med Svenska Deckarakademins pris för bästa kriminalroman.
Børn i Deleordninger
En belysning af, hvordan deleordninger for skilsmissebørn fungerer på godt og ondt.
