Essays about: "internal combustion engine performance"

Showing result 6 - 10 of 42 essays containing the words internal combustion engine performance.

  1. 6. Development of Acoustic Simulation Methods for Exhaust Systems

    University essay from KTH/Optimeringslära och systemteori

    Author : Christin Friberg Femling; [2021]
    Keywords : Optimization; Acoustic Optimization; Systems Engineering; Engine Acoustics; Vehicle Acoustics; Internal Combustion Engine Acoustics; Exhaust Orifice Noise; Pass-by Noise; Optimering; Akustisk optimering; Systemteknik; Motorakustik; Fordonsakustik; Akustik hos Förbränningsmotorer; Avgasljud;

    Abstract : Noise pollution is a growing concern due to its harmfulness to human health. Heavy vehicles powered by internal combustion engines stands for a major part of the environmental noise, why noise reduction is an increasing priority in enginve development. READ MORE

  3. 7. Internal Combustion Engine Calibration considering the Embedded Systems Sensor Accuracy

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

    Author : Daniel Rodríguez Pascual; [2021]
    Keywords : ;

    Abstract : In recent years, the increasing economic, environmental and legal demands on internal combustion engines to reduce emissions and fuel consumption are a major challenge. A lot of effort has been put into achieve reliable methods of diagnosis, fault detection and monitoring to increase safety and efficiency in vehicles. READ MORE

  4. 8. Shape optimization of axial cooling fan via 3D CFD simulation and surrogate modeling

    University essay from KTH/Strömningsmekanik och Teknisk Akustik

    Author : Martin Granlöf; [2021]
    Keywords : Fan noise; shape optimization; mesh morphing; computational fluid dynamics; computational aeroacoustics; Efficient Global Optimization; Reynolds-averaged Navier-Stokes;

    Abstract : Due to legislative reasons and environmental concerns the automotive and transport sector are shifting their focus from traditional internal combustion engine (ICE) vehicles to development of battery electric vehicles (BEVs). This brings new challanges to design of cooling systems where axial fans are one of the key components. READ MORE

  5. 9. Estimation of Stability Margins for the Closed-Loop Air Charge Control of an Internal Combustion Engine Using Sinusoidal Disturbances

    University essay from Linköpings universitet/Fordonssystem

    Author : Victor Sundelin; Filip Jussila; [2021]
    Keywords : Estimation; Stability Margins; Closed-Loop; Air Charge Control; Internal Combustion Engine; ICE; Sinusoidal Disturbances;

    Abstract : The vehicle industry have for many years improved the design of car motors and iterated the control systems associated with it. The systems have become very complex and hard to understand because of this work process. READ MORE

  6. 10. Enhancement of evaluation method of journal bearings’ performance in heavy-duty diesel engines

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

    Author : Sateesh Nataraj; [2021]
    Keywords : Asperity contact pressure; elastohydrodynamic lubrication; friction; flow factors; run-in wear profile; Asperitetskontakttryck; elastohydrodynamik; friktion; flödesfaktorer; slitageprofil efter inkörning;

    Abstract : Journal bearings are being used in various locations of an internal combustion engine. They contribute to a large portion of total engine friction and lowering it means a significant contribution to CO2 reduction. READ MORE