Search for dissertations about: "injection pressure"

Showing result 1 - 5 of 194 swedish dissertations containing the words injection pressure.

  1. 1. Injection Strategies for Heavy Duty DI Diesel Engines

    Author : Tanja Rente; Chalmers University of Technology; []
    Keywords : multiple injections; injection pressure; local heat transfer; diesel combustion; injection duration; orifice number; injection strategies;

    Abstract : Diesel engines enjoy widespread popularity in transportation and industrial systems. The reasons for this popularity are their simplicity, relatively low capital costs, durability and high fuel efficiency. READ MORE

  2. 2. Ultra-High Pressure Spray for Gasoline Direct Injection Engines

    Author : Akichika Yamaguchi; Chalmers University of Technology; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; particulate emission.; gasoline direct injection engine; gasoline spray; high pressure spray; GDI;

    Abstract : There is an increasingly urgent need for vehicle manufacturers to reduce emissions from passenger vehicles to protect the environment and comply with increasingly stringent emissions standards such as Euro 6d, which came into force in January 2021, and Euro 7, which will probably come into force around 2025. Current emissions standards limit passenger vehicles' particulate number emissions to at most 6*10^{11} [#/km], making it necessary to find ways of reducing the engine-out particulate emissions of gasoline direct injection engines to meet this requirement. READ MORE

  3. 3. High pressure vulcanization : crosslinking of diene rubbers without vulcanization agents

    Author : Martin Bellander; KTH; []
    Keywords : ;

    Abstract : High pressure vulcanization (HPV) is defined in this thesisas crosslinking of rubber materialsat elevated pressure andtemperature, without the use of any vulcanization agents. Thisis atotally new vulcanization technique, not used in theindustry today. READ MORE

  4. 4. Pulse-Synchronous Intramuscular Pressure Oscillations

    Author : Andreas Nilsson; Göteborgs universitet; Göteborgs universitet; Gothenburg University; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; ; compartment syndrome; chronic anterior compartment syndrome; intramuscular pressure; pulse-synchronous oscillations in intramuscular pressure; intramuscular arterial pulsations; fiber-optic technique;

    Abstract : Background Intramuscular pressure (IMP) is measured in studies of tissue nutrition and in the diagnosis of compartment syndromes. Patients with compartment syndromes have an elevated IMP due to increased volume in a muscle compartment. READ MORE

  5. 5. Flow, expansion and processing behaviours of gas-containing filled polyethylene

    Author : Nabil Khoshaba; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; mechanical properties; flow rate; critical pressure; injection moulding; expansion kinetics; fillers; rheological properties; foaming; composite materials; partial pressure; capillary viscometry; Blowing agent;

    Abstract : The utilization of fillers in polymeric materials has exhibited a substantial growth during the last decades. Chalk (calcium carbonate) and glass fibres are two common examples of such fillers. These fillers/reinforcing elements are used in order to reduce the cost of material and change its physical (mechanical) properties. READ MORE