Uppsatser om high pressure

183 uppsatser · sida 8 av 13

Högtrycket-Initierande undersökning av nytt limträmaterial

Examensarbete, grundnivå · Linköpings universitet

… boards of spruce, which also is convex, that is pressed together with high pressure during the gluing. According to a economic calculation, the material has a economical potential mainly on account of the absent planning. The study mainly found out that the shear strength of the …

Effektivare energianvändning på Totebo AB

Examensarbete, grundnivå · Linköpings universitet

… are 24 000 kr in a year and the investment is 30 000 kr. In order to get high efficiency for a compressor the incoming air should be as cold as possible because cold air has higher density than warm air. Because of that you should use lines to lead cold air to the intake from …

Stabilitetsberäkningar och åtgärdsförslag vid islast på Skålandammen

Examensarbete, avancerad nivå · Uppsala universitet

… to the reservoirs are subjected to additional loading during periods of high floods or when an icecap in the winter is formed on the reservoirs. In order to maintain the dam safety, the power companies in Sweden are working with guidelines for dam safety from RIDAS. An important …

ST-läkares identitetsarbete

En studie av läkare under specialiseringstjänstgöring

Examensarbete, avancerad nivå · Lunds universitet

… accentuate empathy to a greater extent while older physicians emphasise a high work load. Identity seems to effect how the residents perceive and relate to their work, themselves as residents and different types of patients.

(H)elt om marsch!

Magisteruppsats · Lunds universitet

… tariff reductions. The party also focused on showing potential voters that high tariffs were now considered redundant in fighting unemployment, and that the right party could now be counted on to protect consumer interests going forward.

En flödesutjämnande driftstrategi för Uppsalas fjärrvärmesystem

En ändrad styrning av framtemperaturen

Examensarbete, avancerad nivå · Uppsala universitet

… strategy to minimize flow fluctuations in Uppsala’s district heating system. High variations in flow rate may lead to complications caused by hydraulic constraints in the district heating system. These complications, such as inadequate pressure and temperature levels, increase …

Oljefilmens tjocklek mellan kolvring och cylinderlopp

Masteruppsats · KTH

… and cylinder bore. The radial piston hydraulic motors advantage is to produce high torque in very low rotation velocity, this result in that the maximum sliding velocity between piston ring and cylinder bore, during the whole stroke, is very low. The consequence of this low …

Styrtransmission för bandfordon

Masteruppsats · KTH

… 12 s, with a vehicle weight of 17500 kg. That combined with lack of space set high demands on the hydraulic system. The hydraulic components which are used must withstand pressure up to 450 bar and flows up to 170 l/min. The hydraulic pumps must cope with the drive circuit’s …

Modellering av ett bränslesystem i Modelica

tillämpat på ett obemannat flygplan

Magisteruppsats · Linköpings universitet

… are built up in Dymola, and verified against Easy5 through simulation with high accuracy. A model of the fuel system of an unmanned aerial vehicle (UAV) is built from the implemented Modelica components to examine how Dymola manage a large model. The simulation made in Dymola …

Vad är ”rätt” gjutkvalitet? Hur uppnås det?

Masteruppsats · KTH

… laminate. It has confirmed that enhanced porosity in squirrel cage causes high impedance in the rotors. In order to solve these defects keeping the die temperature above 120 °C has been suggested. Through better production practices such as arming operators with thermometer or …

Kylning och torkning av ett högtryckskompressorinlopp

Masteruppsats · KTH

… gasturbincykel som producerar kraft, värme, kyla och vatten. Cykeln är kallad High Pressure Regenerative Turbine Engine (HPRTE) och kombinerat med gasturbincykeln är ett absorptionskylsystem (VARS). Kylsystemet drivs av spillvärme från avgaser som cirkuleras i gasturbinen, den …

Wobblerpump

Masteruppsats · KTH

… smaller households or dewatering pump in environments where small flows and high pressures are acquired. For these purposes ITT Flygt sell a screw pump, PC-Grinder 3068. The hydraulic part of the PC-Grinder is manufactured by a subcontractor. Therefore ITT Flygt wants to …