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Articles 3811 - 3840 of 5623

Full-Text Articles in Oil, Gas, and Energy

A Crude Awakening: The Relationship Between Petroleum Exploration And Environmental Conservation In Western Uganda, Kristina Ericson Oct 2014

A Crude Awakening: The Relationship Between Petroleum Exploration And Environmental Conservation In Western Uganda, Kristina Ericson

Independent Study Project (ISP) Collection

In this study the researcher aims to explore the emerging oil and natural gas processes in the Republic of Uganda and the potential impacts that such exploration will generate upon Uganda’s biodiversity and local livelihoods. The researcher will approach this topic through extensive research on emerging and current legal frameworks pertaining to Uganda’s natural environment, and through practicum-based research via leading non-profit organizations in Uganda.

During the research process the researcher worked as a Student Research Intern with International Alert. International Alert is an international Non-Governmental Organization (NGO) that works to promote peace building and conflict resolution in over thirty …


Green-Technology Automobiles: Can Modern Innovations Save The Environment And Consumers' Pockets, Nicholas M. Uline, Steven M. Mahon, Jason P. Potter Oct 2014

Green-Technology Automobiles: Can Modern Innovations Save The Environment And Consumers' Pockets, Nicholas M. Uline, Steven M. Mahon, Jason P. Potter

Student Publications

Cars of the past are notorious for poor fuel efficiency and high carbon emissions. With the presence of hybrid technology, along with a variety of other green innovations, many of these negative side effects can be mitigated. The purpose of this study is to answer the question: how do green technology vehicles compare with similar models that exclude such innovations in relation to efficiency and price? A total of 47 green-tech vehicles were identified and compared against their base model counterparts. Vehicle weight, horsepower, fuel efficiency and other variables were matched within pairs (green-tech vs. base) and between car types …


Noise Pollution? What's The Solution?: Understanding Traffic Noise Pollution In Gettysburg, Pennsylvania, Andrew F. Kapp, Joseph M. Passmore, Anika H. Schneider Oct 2014

Noise Pollution? What's The Solution?: Understanding Traffic Noise Pollution In Gettysburg, Pennsylvania, Andrew F. Kapp, Joseph M. Passmore, Anika H. Schneider

Student Publications

Noise pollution can be damaging to a community by impacting its atmosphere as well as the health of its residents, local quality of life, and local economy. Our study sought to gain insight into the level of noise pollution in Gettysburg, both in-town and on the Gettysburg College campus, and how noise pollution may be affecting the local residents and students. We selected 9 sampling sites, 6 in-town and 3 on the college campus, and measured the noise pollution in dBA with portable sound meters three days a week and three times a day over a three week period. Our …


What Drives Car Attitudes: An Analysis Of How Demographics And Environmental Views Relate To Car Attitudes, Kelly M. Gross, Alexandra S. Isaacson, Brian J.B. Lonabocker Oct 2014

What Drives Car Attitudes: An Analysis Of How Demographics And Environmental Views Relate To Car Attitudes, Kelly M. Gross, Alexandra S. Isaacson, Brian J.B. Lonabocker

Student Publications

Successfully marketing new, clean, car technologies to consumers requires an advertising strategy that fits consumers’ priorities and attitudes towards cars. We created a survey to study how attitudes towards cars are associated with demographics and environmental views. Our study examined car preferences and environmental concerns of a sample of Gettysburg College students in comparison to a national sample obtained from Amazon’s Mechanical Turk. Overall, we concluded that environmental beliefs are a significantly better prediction of car behaviors than demographics. We found that on average people would pay more for a car with a higher fuel economy, but not enough to …


The Perfect Pitch: Car Commercials In The Environment, Alyssa P. Beyer, Sara Moyer Oct 2014

The Perfect Pitch: Car Commercials In The Environment, Alyssa P. Beyer, Sara Moyer

Student Publications

Car commercials, like many advertisements, tempt its viewers with comfort, capability, or safety features, as well as being well‐engineered, affordable, attractive, large or compact sized, or fuel efficient. This study examines the pitches in YouTube car commercial video clips from the 1960s until 2014. We coded a total of 263 total car commercials based on pitch, setting, narrator, decade, and country of origin. The analysis revealed that most car commercials were presented in rural settings and capability was pitched most frequently overall. Fuel efficiency was ranked third overall; however, within urban settings, fuel efficiency had the highest frequency. During the …


Planetary Improvement: Discourses And Practices Of Green Capitalism In The Cleantech Space, Jesse Adam Goldstein Oct 2014

Planetary Improvement: Discourses And Practices Of Green Capitalism In The Cleantech Space, Jesse Adam Goldstein

Dissertations, Theses, and Capstone Projects

There is money to be made in saving the planet. A whole host of actors, such as investors, entrepreneurs, engineers, and policy makers have mobilized around our ecological problems, seeking to innovate new `green' and `clean' technologies that can serve a rapidly changing environment. The presumption that such technologies are both necessary and necessarily profitable anchors visions of a `green' capitalism that can and must be brought into existence.

However, just as free markets have never been all that free, why should we presume that green capitalism would be all that green? Instead of attempting to arbit whether or not …


Noble Gases Identify The Mechanisms Of Fugitive Gas Contamination In Drinking-Water Wells Overlying The Marcellus And Barnett Shales, Thomas H. Darrah, Avner Vengosh, Robert B. Jackson, Nathaniel R. R. Warner, Robert J. Poreda Sep 2014

Noble Gases Identify The Mechanisms Of Fugitive Gas Contamination In Drinking-Water Wells Overlying The Marcellus And Barnett Shales, Thomas H. Darrah, Avner Vengosh, Robert B. Jackson, Nathaniel R. R. Warner, Robert J. Poreda

Dartmouth Scholarship

Horizontal drilling and hydraulic fracturing have enhanced energy production but raised concerns about drinking-water contamination and other environmental impacts. Identifying the sources and mechanisms of contamination can help improve the environmental and economic sustainability of shale-gas extraction. We analyzed 113 and 20 samples from drinking-water wells overlying the Marcellus and Barnett Shales, respectively, examining hydrocarbon abundance and isotopic compositions (e.g., C2H6/CH4, δ13C-CH4) and providing, to our knowledge, the first comprehensive analyses of noble gases and their isotopes (e.g., 4He, 20Ne, 36Ar) in groundwater near shale-gas wells. We addressed two questions. (i) Are elevated levels of hydrocarbon gases in …


Damming Brazil, Thyra Brody Sep 2014

Damming Brazil, Thyra Brody

e-Research: A Journal of Undergraduate Work

Hydroelectric power is often considered a safe and clean alternative to the combustion of fossil fuels. Although the consequences to the air and atmosphere are lower, damming large rivers in the jungles of Brazil have a significant impact on indigenous populations and environmental ecosystems. This article examines such fallout and calls out for equity, and social and environmental justice. As the fuel of the last century burns out the hectic scramble for a tenable alternative is becoming an increasingly serious question mark. We would do well for ourselves, and future generations, to try and solve the environmental issues associated with …


An Assessment Of The Energy Generation Potential Of Photovoltaic Systems In Cameroon Using Satellite-Derived Solar Radiation Datasets, Lacour Ayompe, Aidan Duffy Sep 2014

An Assessment Of The Energy Generation Potential Of Photovoltaic Systems In Cameroon Using Satellite-Derived Solar Radiation Datasets, Lacour Ayompe, Aidan Duffy

Articles

Cameroon like most developing countries does not have a reliable network of surface observation stations for collecting weather data. This has been a major drawback for accurate assessment of the energy generation potential of photovoltaic systems in Cameroon. A viable alternative is to obtain site-specific solar irradiation from satellite-derived datasets. In this paper, the energy output, capacity factor and performance ratio of photovoltaic systems in 33 locations spread around ten regions in Cameroon have been evaluated using monthly average daily global horizontal solar irradiation from long-term satellitederived data available in Solar GIS software. An economic assessment revealed that a simple …


An Economic Analysis Of Small-Scale Biodiesel Production: Implementation Of Ethyl Ester Production In A Job Shop Setting, Scott Haase, Benjamin Craig Aug 2014

An Economic Analysis Of Small-Scale Biodiesel Production: Implementation Of Ethyl Ester Production In A Job Shop Setting, Scott Haase, Benjamin Craig

Journal of Undergraduate Research at Minnesota State University, Mankato

Biodiesel is becoming a demanded consumer automotive alternative fuel used in diesel vehicles today. An emerging trend is toward small-scale biodiesel production performed by the final consumer. A limited source of commercially available production systems exists and has resulted in many systems being designed and built by the user. Preliminary research conducted by the authors has shown biodiesel to be the least-cost alternative to petroleum diesel after as few as 8 months of system use. This study examines the economic viability of building and producing biodiesel using a small-scale production system versus buying consumer petroleum diesel. During production, measurements were …


Study On Safety Issues For Lng Tank Container Carried By Sea In China, Yuanjing Xiang Aug 2014

Study On Safety Issues For Lng Tank Container Carried By Sea In China, Yuanjing Xiang

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.


Strategy Of Market-Based Measures (Mbm) To Tackle Green House Gas Missions (Ghg) For International Shipping In China, Jiaqiang Shen Aug 2014

Strategy Of Market-Based Measures (Mbm) To Tackle Green House Gas Missions (Ghg) For International Shipping In China, Jiaqiang Shen

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.


Study On Environmental Risk Assessment Of Oil Spill Accidents In Shanghai Port, Jingzhou Chang Aug 2014

Study On Environmental Risk Assessment Of Oil Spill Accidents In Shanghai Port, Jingzhou Chang

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.


Discussion On Eeoi Reduction Measures Based On Modern Management, Liying Song Aug 2014

Discussion On Eeoi Reduction Measures Based On Modern Management, Liying Song

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.


Analysis Of Energy-Based Carbon Emission From Landside Operations Of Container Terminal And Its Abatement Strategies, Dwi Astuti Aug 2014

Analysis Of Energy-Based Carbon Emission From Landside Operations Of Container Terminal And Its Abatement Strategies, Dwi Astuti

World Maritime University Dissertations

No abstract provided.


Forecast And Analysis Of Seaborne Import Oil Freight From South Africa To China, Qingying Xu Aug 2014

Forecast And Analysis Of Seaborne Import Oil Freight From South Africa To China, Qingying Xu

World Maritime University Dissertations

No abstract provided.


The Power Plant Mapping Student Project, Kelsey Tayne, Tom Oda Aug 2014

The Power Plant Mapping Student Project, Kelsey Tayne, Tom Oda

STAR Program Research Presentations

The Power Plant Mapping Student Project: Bringing Citizen Science to Schools

Kelsey Tayne1, Tom Oda2

1STEM Teacher and Researcher (STAR) Fellow, San Francisco State University, San Francisco, CA 94132

2NOAA ESRL, Global Monitoring Division, Boulder, CO 80303

Emissions inventory (EI) is a conventional tool to monitor changes in anthropogenic emissions and can visually show geographical patterns of emission changes. The EI community is aware of significant errors in the geographical locations of point sources, including power plants. The Power Plant Mapping Student Project (PPMSP) is a platform designed for students in 4th through 12 …


Light Pollution Research Through Citizen Science, John Kanemoto Aug 2014

Light Pollution Research Through Citizen Science, John Kanemoto

STAR Program Research Presentations

Light pollution (LP) can disrupt and/or degrade the health of all living things, as well as, their environments. The goal of my research at the NOAO was to check the accuracy of the citizen science LP reporting systems entitled: Globe at Night (GaN), Dark Sky Meter (DSM), and Loss of the Night (LoN). On the GaN webpage, the darkness of the night sky (DotNS) is reported by selecting a magnitude chart. Each magnitude chart has a different density/number of stars around a specific constellation. The greater number of stars implies a darker night sky. Within the DSM iPhone application, a …


Potential And Technological Advancement Of Biofuels, Rajee Olaganathan, Fabian Ko Qui Shen, Lim Jun Shen Aug 2014

Potential And Technological Advancement Of Biofuels, Rajee Olaganathan, Fabian Ko Qui Shen, Lim Jun Shen

Publications

This scientific paper examines the feasibility of biofuels as a solution to the world‟s energy crisis. It studies the development of the four different generations of biofuel that have been discerned over the years, determining the pros and cons of each. The paper further investigates the issues concerning each generation, and determines how their successors have solved and improved on those problems. In order to give the reader an unbiased perspective, the paper studies both general advantages and disadvantages that encompasses social, economic and environmental impacts. Research and development on the first two generations of biofuels have matured, and case …


Development Of A Black-Box Transient Thermal Model For Residential Buildings, Andrew Cross Aug 2014

Development Of A Black-Box Transient Thermal Model For Residential Buildings, Andrew Cross

UNLV Theses, Dissertations, Professional Papers, and Capstones

Heavily populated metropolitan areas located in cooling-dominated climates, as are found in the Desert Southwest, pose a challenge to electrical utilities that service these areas. During the late afternoons of the summer months, residents of these metropolitan areas require larger than normal amounts of power to run their homes' air conditioning systems, at significant expense to the utilities. In the study reported here, interior temperature and power consumption data, accumulated over the course of a year and a half from seven houses within a Las Vegas neighborhood, are used to develop a predictive black-box statistical model for residential thermal transience. …


Power Optimization, Diagnostic Monitoring, And Modeling Of Photovoltaic System, Khalid Hurayb Aug 2014

Power Optimization, Diagnostic Monitoring, And Modeling Of Photovoltaic System, Khalid Hurayb

UNLV Theses, Dissertations, Professional Papers, and Capstones

Photovoltaic (PV) solar energy has been sustaining a major growth rate over the last decade in many parts of the world. This steep growth has been driven by concern about climate change, the adoption of renewable portfolio standards, government incentives, and reduction in PV system costs. Recently, however, such large PV penetration into the electrical grid is cause a concern that might curb such a growth; namely, the incontrollable intermittency of power generated on cloudy days. Furthermore, conventional PV system configurations often do not harness the maximum power that is available under partial shading caused by clouds or shadows of …


Speciation Behavior Of Americium Higher Oxidation States For The Separation Of Americium From Curium, Catherine Lynn Riddle Aug 2014

Speciation Behavior Of Americium Higher Oxidation States For The Separation Of Americium From Curium, Catherine Lynn Riddle

UNLV Theses, Dissertations, Professional Papers, and Capstones

Several countries are currently expanding the use of nuclear energy as a method for the safe generation of carbon free energy and a number are evaluating starting up a nuclear power program. Closed fuel cycle technologies may be key to waste reduction and a sustainable nuclear energy future and to support the development of more efficient fuel cycles, the investigation of the chemical properties of key actinides is at the forefront of separations research. In this work the characterization of higher oxidation states of americium (Am) has been performed using spectroscopic methods. Americium in the formal oxidation state of Am(V) …


A Geospatial Approach For Prioritizing Wind Farm Development In Northeast Nebraska, Usa, Adam Miller, Ruopu Li Jul 2014

A Geospatial Approach For Prioritizing Wind Farm Development In Northeast Nebraska, Usa, Adam Miller, Ruopu Li

School of Natural Resources: Faculty Publications

Being cleaner and climate friendly, wind energy has been increasingly utilized to meet the ever-growing global energy demands. In the State of Nebraska, USA, a wide gap exists between wind resource and actual energy production, and it is imperative to expand the wind energy development. Because of the formidable costs associated with wind energy development, the locations for new wind turbines need to be carefully selected to provide the greatest benefit for a given investment. Geographic Information Systems (GIS) have been widely used to identify the suitable wind farm locations. In this study, a GIS-based multi-criteria approach was developed to …


Organic Fluids And Passive Cooling In A Supercritical Rankine Cycle For Power Generation From Low Grade Heat Sources, Rachana Vidhi Jul 2014

Organic Fluids And Passive Cooling In A Supercritical Rankine Cycle For Power Generation From Low Grade Heat Sources, Rachana Vidhi

USF Tampa Graduate Theses and Dissertations

Low grade heat sources have a large amount of thermal energy content. Due to low temperature, the conventional power generation technologies result in lower efficiency and hence cannot be used. In order to efficiently generate power, alternate methods need to be used. In this study, a supercritical organic Rankine cycle was used for heat source temperatures varying from 125°C to 200°C. Organic refrigerants with zero ozone depletion potential and their mixtures were selected as working fluid for this study while the cooling water temperature was changed from 10-25°C. Operating pressure of the cycle has been optimized for each fluid at …


Field To Flight: A Techno-Economic Analysis Of Stover To Aviation Biofuels Supply Chain, Amanda C. Bittner Jul 2014

Field To Flight: A Techno-Economic Analysis Of Stover To Aviation Biofuels Supply Chain, Amanda C. Bittner

Open Access Theses

Greenhouse gas emissions have been a growing concern. The transportation sector contributes to one-third of GHG emissions in the United States from fossil fuel burning. The Renewable Fuel Standard set a requirement for 16 billion gallons (ethanol equivalent) of cellulosic biofuels to be used in the market. Aviation biofuels can help to meet both of these problems as well as improve U.S. energy security.

Investment in the biofuel industry carries a lot of risk. The biofuel industry is run by the private sector, but can be incentivized by government. Cellulosic biofuels carry even more risk than first generation biofuels, because …


Catalysts For Portable, Solid State Hydrogen Genration Systems, Jason Robert Gabl Jul 2014

Catalysts For Portable, Solid State Hydrogen Genration Systems, Jason Robert Gabl

Open Access Theses

Hydrogen and air powered proton exchange membrane fuel cells are a potential alternative to batteries. In portable power systems, the design requirements often focus on cost efficiency, energy density, storability, as well as safety. Ammonia borane (AB), a chemical hydride containing 19.6 wt. % hydrogen, has a high hydrogen capacity and is a stable and non-toxic candidate for storing hydrogen in portable systems.

Throughout this work, Department of Energy guidelines for low power portable hydrogen power systems were used as a baseline and comparison with commercially available systems. In order to make this comparison, the system parameters of a system …


High Temperature Flooded Expansion For Solar Thermal Power Generation, Nelson Alexander James Jul 2014

High Temperature Flooded Expansion For Solar Thermal Power Generation, Nelson Alexander James

Open Access Theses

Even though solar power usage has seen rapid growth over the past decade, fossil fuel generation sources are still generally a less expensive means of producing power. The Liquid-Flooded Ericsson Cycle (LFEC) was investigated as a high efficiency power cycle for reducing the cost of concentrated solar power (CSP) plants and helping to address this cost disparity. High temperature flooded expansion was identified as one of the main challenges in regards to utilizing the LFEC as a power cycle. Thermodynamic models were developed to help assess the performance of the LFEC and a load stand was constructed to test a …


A Novel Microgrid Demand-Side Management System For Manufacturing Facilities, Terance Jerome Harper Jul 2014

A Novel Microgrid Demand-Side Management System For Manufacturing Facilities, Terance Jerome Harper

Open Access Theses

Thirty-one percent of annual energy consumption in the United States occurs within the industrial sector, where manufacturing processes account for the largest amount of energy consumption and carbon emissions. For this reason, energy efficiency in manufacturing facilities is increasingly important for reducing operating costs and improving profits. Using microgrids to generate local sustainable power should reduce energy consumption from the main utility grid along with energy costs and carbon emissions. Also, microgrids have the potential to serve as reliable energy generators in international locations where the utility grid is often unstable.

For this research, a manufacturing process that had approximately …


A Multi-Period Mixed Integer Linear Programming Model For Desalination And Electricity Co-Generation In Kuwait, Nael Abdulhameed Alqattan Jun 2014

A Multi-Period Mixed Integer Linear Programming Model For Desalination And Electricity Co-Generation In Kuwait, Nael Abdulhameed Alqattan

USF Tampa Graduate Theses and Dissertations

Water is the root of life and the engine that drives agriculture, industry, economy and services. The demand for water often necessitates desalination, particularly in arid coastal environments where there are several desalination technologies in use today such as Multi-Effect Distillation (MED) and Reverse Osmosis (RO). The key utility requirement for technologies such as desalination and population in general include energy in one form or another. Therefore, desalination and co-generation are often integrated. Another key utility is electricity which is generated from either renewable or non-renewable sources. The demands for water and electricity change over time and are subject to …


Slides: What We Know (And Don't Know) About Air Quality Impacts Of Oil And Gas Development, Anna Karion Jun 2014

Slides: What We Know (And Don't Know) About Air Quality Impacts Of Oil And Gas Development, Anna Karion

Water and Air Quality Issues in Oil and Gas Development: The Evolving Framework of Regulation and Management (Martz Summer Conference, June 5-6)

Presenter: Anna Karion, NOAA/ESRL, University of Colorado/CIRES

35 slides