Uppsatser om temperatur

1 365 uppsatser · sida 1 av 60

Studie av Karlskogas fjärrvärmenät för att sänka returtemperaturen

Kandidatuppsats · Karlstads universitet

… energy in a district heating system is to increasing cooling to the return temperature. This leads to less power needed to drive the distribution pumps, and that more energy could be extracted from the same amount of fuel by an improved flue gas condensation. In Karlskoga the …

Effects of shade on milk production in Swedish dairy cows on pasture

Examensarbete, avancerad nivå · SLU

… other had not access to shade (group 2). Metrological data such as ambient air temperature (°C),relative humidity (%) and black globe temperature (°C) were measured both on the inside and outside of the tent and temperature-humidity indexes (THI) were calculated. Other measured …

Morgondagens effektiva fjärrvärme

En beskrivande litteraturstudie

Magisteruppsats · Högskolan i Halmstad

… toward the next generation of distribution technology is necessary. Average temperatures today in Swedish district heating systems are for supply water 86 ° C and for return water 47 ° C. In the future temperature levels could decrease to current with temperatures down against …

Annons

Optimalt råvarulager för biobränsleföretaget :

Examensarbete · SLU

… of this study was to create a model that, with respect to given stock levels, temperature, fuel usage and fuel price, would identify the optimal levels for purchase of bio fuels, optimal levels of incineration of bio fuels and the sum of the present values of all costs. The …

Odlingens och lagringens inverkan på utsädes grobarhet :

Examensarbete · SLU

… damage, infection of diseases, growth of mould, attacks of vermin, high drying temperature, secret germination, sprouting in the ears etc. The germ belongs to the outer and most unprotected parts of the seed, and consequently this is much exposed. Even quite sound seeds can …

Healthier vegetables through temperature stress?

a review of Brassica oleracea

Kandidatuppsats · SLU

… of the studies which has been carried out up to days date concerning how temperature affects vegetables physiologically when it comes to their health inducing as well as quality reducing features. The essay therefore starts off with defining what is meant by the terms health …

Skadliga nollflödespunkter i Fortum Värmes fjärrvärmenät i Stockholm

En analys av dess förekomst och effekter

Examensarbete, avancerad nivå · Uppsala universitet

… heating networks with several plants, which also have different supply temperatures, large and frequent temperature fluctuations can occur when the zero flow zones move. This may cause wear on the pipes, a phenomenon called low cycle fatigue. For this reason it is important to …

Nytt ventilationssystem till djurstallar :

Examensarbete · SLU

… to find out if there is any air movements direct on the cows, how high/low temperature, air humidity, light intensity and noise standard inside the barn. Does Brandstadholm fulfil the rules and regulations when it comes to climate inside the barn? Could this system become the …

Low Temperature Waste Heat Solutions

with proposals for energy technological actions based on Scania’s building 64

Magisteruppsats · Linköpings universitet

The report comprises two separate parts: part 1: Temperature needs for district heating in the paint shop for axles in building 210part 2: Energy and low temperature waste heat solutions in heating and cooling systems for building 64 with surroundings The paint shop for axles in …

Sekundärnät för lågtempererad fjärrvärme

Kandidatuppsats · Högskolan i Halmstad

… Bioenergi AS an example of thepossibilities and limitations of a secondary low temperature district heating system. Focus areas arepast and present limitations of plastic pipes and on what temperatures may be used when taking intoconsideration the potential for growth of …

VVA-strategier för avgastemperaturhöjning på en HD-Dieselmotor

Masteruppsats · KTH

… catalytic conversion of NOx,CO , and HC emissions, and are thus dependant on temperature. At low load of the engine, exhaust temperatures are not sufficient for the after-treatment components. Therefore, means to increase the exhaust temperature while maintaining low emissions …

MOLNU

Att utveckla ett gemensamt gränssnitt

Kandidatuppsats · Linnéuniversitetet

… hours then examined the definition of thermal comfort based on the operating temperature drop that occurs during heating off. The results of the three simulations showed that rapid temperature drops occurs during the first hour, and then a slower decline in temperature over …