Sökning: "compressor"

Visar resultat 21 - 25 av 276 uppsatser innehållade ordet compressor.

  1. 21. Seawater Heat Recovery by the Utilisation of Phase Change Heat of Freezing : Technical feasibility study of a system for District Heating in the city of Helsinki

    Master-uppsats, KTH/Kraft- och värmeteknologi

    Författare :Rakesh Ramesh; [2022]
    Nyckelord :District heating; Seawater; Ice slurry; Aspen Plus; Pressure drop; Fjärrvärme; Havsvatten; Isslurry; Aspen Plus; Tryckfall;

    Sammanfattning : With the Paris agreement calling to limit global warming to 2°C below pre-industrial levels, with further efforts to ensure it stays below 1.5°C, the Finnish government passed the Lakihiilen energiakäytön kieltämisestä (416/2019), i.e. LÄS MER

  3. 22. Turbo For Fuel Cell Electric Vehicle

    Master-uppsats, Lunds universitet/Institutionen för energivetenskaper

    Författare :Adam Hansson; Mohammed Abu Al-Soud; [2022]
    Nyckelord :Turbo; Fuel Cell; Centrifugal Compressor; Radial Turbine; Axial Turbine; Technology and Engineering;

    Sammanfattning : Turbo systems have long been implemented into vehicles to increase the specific power. Increasing the pressure for conventional vehicles decreases the mass of the engine and increases the efficiency. Conventional vehicles do however produce carbon dioxide emissions which have become an increasing issue that needs a solution. LÄS MER

  4. 23. Compressor Surge: Simulation, Modeling and Analysis

    Master-uppsats, KTH/Skolan för teknikvetenskap (SCI)

    Författare :Robin Massiquet; [2022]
    Nyckelord :Turbo compressor; Surge; Simulation; Modelling;

    Sammanfattning : The master thesis subject takes place in the automotive industry and specifically in the internal combustion engine area. The need of improving the efficiency of the engines leads to develop new technologies like turbo compressors. Some of the challenges to overcome are high rotational speed difficulties or extreme load and fatigue in the rotors. LÄS MER

  5. 24. Sammankoppling av tryckluftssystem i SBC

    M1-uppsats, KTH/Hållbar produktionsutveckling (ML)

    Författare :Victor Küller; Viktor Garp; [2022]
    Nyckelord :Operational reliability; redundancy; energy recovery; energy efficiency; reduced emissions of Co2; Driftsäkerhet; redundans; energiåtervinning; minskade Co2 utsläpp; energieffektivitet;

    Sammanfattning : Detta examensarbete har genomförts på AstraZenecas produktionsanläggning i Gärtuna, Södertälje och behandlar ett av AstraZenecas dyraste media, tryckluft. Mer specifikt behandlar rapporten tryckluftsanläggningen i byggnad 921 (B921) där optimal drift på kompressorerna inte har lyckats uppnås på grund av att kapaciteten på kompressorerna inte matchar flödesbehovet i byggnaden, som i sin tur har skapat onödiga kostnader och utgifter. LÄS MER

  7. 25. Effects of Immiscible Compressor Oil in a Flooded PSHE Evaporator : A Visual Study Approach

    Master-uppsats, KTH/Energiteknik

    Författare :Joel Blomfelt; [2022]
    Nyckelord :;

    Sammanfattning : This paper deals with heat transfer in plate evaporators, with a focus on the effects caused by carried-over compressor oil ending up in the heat exchanger. A common standpoint in literature regarding the effect of immiscible oil contamination, in for example an ammonia PHE evaporator, is that the oil can accumulate as a layer on the plate surface causing an additional thermal conduction resistance. LÄS MER