Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 23 for “"Emissions prediction"”.
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Physics-Based Artificial Intelligence Models for Vehicle Emissions Prediction
… understanding of complex physical phenomena like emissions formation during combustion. In this thesis, a physics-based artificial intelligence framework is developed to predict and analyze trends in engine-out NOx emissions of diesel and diesel-hybrid heavy-duty vehicles. This framework differs …
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Effects of artificial neural network speed-based inputs on heavy-duty vehicle emissions prediction
… University Transportable Heavy-Duty Vehicle Emissions Testing Laboratories to gather emissions data of these vehicles. The data obtained from six vehicles in the 1985--2001 model year and 33,000--80,000 lb weight range exercised through three different cycles were selected in this thesis. To …
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Multi-Physics Engine Simulation Framework for Drive Cycle Emissions Prediction. Development and Validation of a Framework for Transient Drive Cycle NOx Prediction Modelling based on Combining 1-D and 0-D Internal Combustion Engine Simulation and Statistical Meta-Modelling
… simulations with high-fidelity engine-out NOx emissions prediction capability is a significant challenge nowadays. Specifically, being able to perform these simulations early in engine development process would allow powertrain optimisation in virtual space, leading to reduction in powertrain …
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A reduced-form statistical climate model suitable for coupling with economic emissions projections
… concentration used in conjunction with the MIT Emissions Prediction and Policy Analysis (EPPA) model or for independent climate analysis based on results from the more complex MIT Integrated Global Systems Model (IGSM). The functions we generate should allow a software system to approximate the …
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Climate policy design : interactions among carbon dioxide, methane, and urban air pollution constraints
… an integrated assessment approach, using the MIT Emissions Prediction and Policy Analysis model, the Integrated Global Systems Model, and political analysis methods. The thesis explores three cases. The first case addresses stabilization, the ultimate objective of Article 2 of the UN Framework …
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Welfare distortions of climate change policies
… so as to further understand the issue. The MIT Emissions Prediction and Policy Analysis (EPPA) model, a large-scale computable general equilibrium (CGE) model, simulates trends in global economics and greenhouse gas emissions. Utilizing the EPPA model, I examined the distortions resulting from …
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Quantifying the cost uncertainty of climate stabilization policies
… have on a model's results. Specifically, MIT's Emissions Prediction and Policy Analysis (EPPA) model is examined to understand how uncertainty in input parameters affect economic predictions of long-term climate stabilization policies. Eleven different categories of parameters were varied in a …
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Combining a renewable portfolio standard with a cap-and-trade policy : a general equilibrium analysis
… policy instruments for limiting greenhouse gas emissions. In actuality, many efforts to address GHG emissions combine a cap-and-trade system with other regulatory instruments. This raises an important question: What is the effect of combining a cap-and-trade policy with policies targeting …
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Real-time measurement of oxides of nitrogen from heavy-duty diesel engines
New emissions regulations and performance requirements imposed on modern diesel engines encourage the development of improved tools for emissions measurements. This study investigated one of the improved tools for NOx emissions measurement. Objectives of this thesis included measurement, comparison …
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The impact of including water constraints on food production within a CGE framework
… approach is developed on a variant of the MIT Emissions Prediction and Policy Analysis (EPPA) model that describes three agriculture sectors-crops, livestock and managed forestry-five land types-cropland, pasture land, managed forest land, natural grass land and natural forest land-and …
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The economic impact of global climate and tropospheric oxone on world agricultural production
… interventions. The analysis makes use of the Emissions Prediction and Policy Analysis (EPPA) model, a computable general equilibrium model of the world economy and crop yield results from the Terrestrial Ecosystem Model (TEM), a biogeochemical model of terrestrial vegetation. I disaggregated …
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Impacts of greenhouse gas mitigation policies on agricultural land
Greenhouse gas (GHG) emissions are widely acknowledged to be responsible for much of the global warming in the past century. A number of approaches have been proposed to mitigate GHG emissions. Since the burning of fossil-based fuels is an important source of GHGs, the policies on GHG-mitigation …
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Health impacts from urban air pollution in China : the burden to the economy and the benefits of policy
… urban population. An expanded version of the Emissions Prediction and Policy Analysis (EPPA), EPPA Health Effects China (EPPA-HEC), was used to evaluate air pollution-related health impacts on the Chinese economy. EPPA-HEC, a computable general equilibrium model, was expanded to endogenously …
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Prospects for plug-in hybrid electric vehicles in the United States : a general equilibrium analysis
… contribute to reductions in carbon dioxide emissions from personal vehicle transportation in the United States over the next century, depending on the cost-competitiveness of the vehicle, the relative cost of refined fuels and electricity, and the existence of an economy-wide carbon …
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End-use electrification in the residential sector : a general equilibrium analysis of technology advancements
… to the abatement of greenhouse gas (GHG) emissions. I use the MIT Emissions Prediction and Policy Analysis (EPPA) model, a computable general equilibrium model, to analyze the research question. The EPPA model captures full economy-wide impacts of policy mandates and technology changes. …
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The impact of biofuel mandates on land use
… general equilibrium framework, the MIT Emissions Prediction and Policy Analysis (EPPA) model, which captures full economy-wide impacts of policy mandates and land use. I have developed a mechanism to integrate the first and second generation technologies, the transportation sector, and …
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Economic implications of natural gas vehicle technology in U.S. private automobile transportation
… to gasoline and diesel, with lower CO2 emissions per mega joule of fuel consumption. A natural gas powered vehicle fleet could reduce the country's fuel costs, dependence on imported fuel, and greenhouse gas emissions. To fully comprehend the future role of natural gas vehicles in the …
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Passenger transport in China under climate constraints : general equilibrium analysis, uncertainty, and policy
… and with them energy demand, greenhouse gas emissions and local air pollution. Aviation and rail travel have also grown, while ceding a large share to private vehicles. What path will household transport demand in China take in the future? How might it interact with policies which limit …
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A general equilibrium analysis of climate policy for aviation
… would determine the optimal level of sectoral emissions reductions, but industry groups have instead proposed independent aviation-sector goals for carbon mitigation and technology adoption. This thesis asks the question: how much should airlines reduce their emissions, and which technologies …
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