Essays about: "after-treatment systems"

Showing result 1 - 5 of 26 essays containing the words after-treatment systems.

  1. 1. Characterization of NOx sensor performance under oscillating pressure conditions

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Álvaro López Méndez; [2023]
    Keywords : NOx sensors; engine – out heavy duty vehicle conditions; oscillating pressure; test rig testing; NOx-sensorer; motor – ut tunga fordonsförhållanden; oscillerande tryck; testriggtestning;

    Abstract : The NOx sensor is essential in the modern after-treatment system. Due to the introduction of regulations from the US, it is necessary to investigate how these sensors operate in conditions of pulsating pressures generated engine - out, after the turbocharger. READ MORE

  3. 2. Development of CAD Models for Large Silencer Platforms Using Design Automation

    University essay from Linköpings universitet/Produktrealisering

    Author : Mahim Kai; Balagangadar Thilakar Arumugam; [2023]
    Keywords : Design Automation; Silencer; CFD; Extraction;

    Abstract : Scania is known as a front-runner in the development of power trains for heavy vehicles, marine, and general industrial applications. As the regulations on emissions for combustion engine vehicles are getting tougher with increasing awareness on sustainable solutions and reducing environmental impact, the goal at Scania is to develop combustion engines to achieve low-pollutant emissions whilst achieving higher efficiency. READ MORE

  4. 3. Acoustic Characterization of Catalyst

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Surachit Dokson; [2023]
    Keywords : ;

    Abstract : The WHO has set a sound level threshold of 55 dB, beyond which noise is considered harmful to humans when exposed for an extended period of time. It is, however, estimated by the European Environmental Agency that over 110 million people in the EU are regularly exposed to levels of traffic noise above 55 dB. READ MORE

  5. 4. FE Simulation of protective insulation of catalysts in exhaust after-treatment systems of trucks and buses : Investigation and characterization of catalytic converter support mat material for accurate modeling in finite element simulations

    University essay from

    Author : Manroop Bhattasali; [2022]
    Keywords : Catalytic converter; packaging mats; support mats; compression; friction; hyperelastic; hyperfoam; viscoelastic; canning; finite element;

    Abstract : The increase of new and ever more stringent emission legislation has brought about with it a surge in the demand for more sustainable automotive solutions. This has particularly been the case for automobiles, including heavy-duty vehicles like trucks and buses, with internal combustion engines, which now require the design and manufacturing of more durable and reliable components. READ MORE

  6. 5. Veterinärbehandlade livmoderframfall hos svenska mjölkkor : förekomst och överlevnad

    University essay from SLU/Dept. of Clinical Sciences

    Author : Leo Krantz; [2022]
    Keywords : livmoderframfall; mjölkkor; förekomst; behandling; överlevnad;

    Abstract : Livmoderframfall är en ovanlig komplikation som kan uppstå efter förlossning men bland våra husdjur är kor de som drabbas oftast. Tillståndet innebär att livmodern vänds ut och in och trycks ut genom vulvan. READ MORE