Essays about: "particulate matter"

Showing result 1 - 5 of 51 essays containing the words particulate matter.

  1. 1. Evaluation of Supervised Machine LearningAlgorithms for Detecting Anomalies in Vehicle’s Off-Board Sensor Data

    University essay from Högskolan Dalarna/Mikrodataanalys

    Author : Nor-Ul Wahab; [2018]
    Keywords : Anomaly detection; rule-based; one class support vector machine; k-nearest neighbor; random forest; confusion matrix; accuracy; precision; recall; F1-score;

    Abstract : A diesel particulate filter (DPF) is designed to physically remove diesel particulate matter or soot from the exhaust gas of a diesel engine. Frequently replacing DPF is a waste of resource and waiting for full utilization is risky and very costly, so, what is the optimal time/milage to change DPF? Answering this question is very difficult without knowing when the DPF is changed in a vehicle. READ MORE

  2. 2. Need for Speed – A Systems Perspective on the Environmental Cost of High Top Speeds in German Passenger Cars

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Mudit Chordia; [2018]
    Keywords : Lifecycle assessment; Private cars; Down-engineering;

    Abstract : Automobiles have evolved from meeting transportation needs of their owners a century ago, to addressing transportation desires of their owners today. They now meet the owner’s desire for status though sign values such as speed, safety, environmental consciousness, sexual desire, freedom, masculinity etc. READ MORE

  3. 3. Unveiling stories in Korean smog : a critical discourse analysis of the air pollution policy of Seoul metropolitan government in Korea

    University essay from Lunds universitet/LUCSUS

    Author : Su Yeong Jo; [2018]
    Keywords : particulate matter; air pollution; South Korea; critical discourse analysis; sustainability science; Social Sciences;

    Abstract : Air pollution caused by highly concentrated particulate matter is recognized as the biggest problem in Korean society. Since the problem is directly related to human life and local people's livelihoods, the demand for fundamental policies rather than short-term measures is growing. READ MORE

  4. 4. Design of Helix-Rotary Evaporator : Concept development, Design and Material selection

    University essay from

    Author : Surafel Tesema; [2018]
    Keywords : Aftertreatment system; SCR; Urea evaporator;

    Abstract : Tougher environmental legislations are a driving force for development of aftertreatment technologies for truck and car exhaust gases. In particular, the emission requirements are high on nitrogen oxides (NOx) and particulate matter. Focus of this thesis work is to develop a component in the exhaust system, a NOx level reduction system. READ MORE

  5. 5. Study of spatial and temporal variation of atmospheric optical parameters and their relation with PM 2.5 concentration over Europe using GIS technologies

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Panagiotis Symeonidis; [2017]
    Keywords : aerosols; air quality; satellite remote sensing; GIS; geography; Geographical Information Systems; particulate matter; Aerosol Optical Depth; MODIS; Earth and Environmental Sciences;

    Abstract : The purpose of this study was to examine the use of remote sensing aerosol data as an estimator of ground level fine particulate matter concentration (PM 2.5). In order to examine this possible relation, daily MODIS Aerosol Optical Depth (AOD) data were used, collected for an entire year. READ MORE