{"419371":{"#nid":"419371","#data":{"type":"event","title":"PhD Defense by Jean-Ann James","body":[{"value":"\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003ESchool of Civil and Environmental Engineering\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EPh.D. Thesis Defense Announcement\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003EImplications of Hybrid Decentralized Energy Systems Composed of Solar Photovoltaics and Combined Cooling, Heating and\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003EPower (CCHP) systems within Large Urban Regions\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003Eby:\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003EJean-Ann James\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EAdvisor:\u0026nbsp; \u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003EDr. John C. Crittenden\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003ECommittee Members:\u0026nbsp; \u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003EDr. Valerie Thomas \u2013 Policy \u0026amp; ISYE, Dr. Godfried Augenbroe - COA, Dr. Susan Burns - CEE, \u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003EDr. Yongsheng Chen - CEE\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003EDate \u0026amp; Time:\u003C\/strong\u003E Tuesday July 14, 2015 at 9:00 am\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u003Cstrong\u003ELocation:\u003C\/strong\u003E\u0026nbsp; Brook Byers Institute of Sustainable Systems Room 338\u003C\/p\u003E\u003Cp align=\u0022center\u0022\u003E\u0026nbsp;\u003C\/p\u003E\u003Cp\u003E \u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EABSTRACT:\u003C\/strong\u003E\u003Cbr \/\u003E\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003EIncreasing urbanization places cities at the forefront of achieving global sustainability. Urban regions play a major role in the global economy\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Eand are responsible for a majority of global resource consumption. Water and energy are the two main growth limiting resources of an urban\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Eregion and are highly interdependent. An increase in urbanization means increasing demand for water, energy, and their associated\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Einfrastructure systems. Greater demand for provision of water and energy resources is associated with an increase in the emissions and wastes\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Egenerated to supply these resources. Therefore in order for urban areas to become more sustainable, they must meet the increasing demands\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Eon resources through increased efficiency, resilience and sustainable alternatives. Decentralized energy systems have the potential to improve\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Ethe resiliency and efficiency of energy generation in an urban region while reducing the emissions created. Combined cooling, heating and\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Epower (CCHP) systems are more efficient than conventional energy generation systems as they can simultaneously generate electricity, useful\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Eheat and cooling. Adding solar photovoltaics to this system will further decrease the emissions and water consumption that result from the\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Eenergy generation process. The objective of this work was to determine the efficacy of implementing CCHP systems, with and without solar\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Ephotovoltaics, for five generic building types in the Atlanta metropolitan region, and the economic and environmental impacts of these\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Esystems under various loading strategies. CCHP systems were modeled using air-cooled microturbines and absorption chillers to match the\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Ethermal (heating, cooling, and hot water) load of the 5 building prototypes. The 5 prototypes consisted of 3 commercial and 2 residential\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Ebuildings. The CCHP systems were modeled to operate under various thermal loading strategies to determine the best strategy to minimize\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Ecosts, emissions, and water consumption for energy generation. The prototype buildings were then used to estimate the projected energy\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Econsumption of residential and commercial buildings in the 13-county Atlanta metropolitan region and determine the emissions and water for\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Eenergy impact of conventional versus CCHP energy generation systems. Solar photovoltaics were then added to the CCHP system to\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Edetermine the optimum PV area required for a given building and feed in tariff. These investigations found that operating microturbines to\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Efollow the hourly thermal load of a given building results in the greatest reduction in CO2 emissions, and operating the turbine constantly to\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Emeet the maximum annual thermal demand results in the greatest NOx and water for energy reductions. A net metering policy will impact\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Ewhich operational strategy best reduces emissions, water for energy, and cost. When applied to the 13 county Atlanta Metropolitan region,\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003ECCHP systems can significantly reduce emissions and water for energy consumption. For all building types the economic feasibility of\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Eimplementing solar photovoltaic systems with microturbines is dependent on the discount rate of the system, the cost of the solar-pv system,\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp align=\u0022LEFT\u0022\u003Ethe feed in tariff rate assumed, and if various policies are implemented to provide benefits for the mitigation of CO2, NOx, and water\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003Econsumption. This study can serve as a platform by which the implementation of other decentralized energy systems can be evaluated.\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003Cbr \/\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003E\u003Cbr \/\u003E\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003E\u003Cbr \/\u003E\u003C\/p\u003E","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Implications of Hybrid Decentralized Energy Systems Composed of Solar Photovoltaics and Combined Cooling, Heating and Power (CCHP) systems within Large Urban Regions"}],"uid":"27707","created_gmt":"2015-06-30 10:07:11","changed_gmt":"2016-10-08 02:12:22","author":"Tatianna Richardson","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2015-07-14T10:00:00-04:00","event_time_end":"2015-07-14T12:00:00-04:00","event_time_end_last":"2015-07-14T12:00:00-04:00","gmt_time_start":"2015-07-14 14:00:00","gmt_time_end":"2015-07-14 16:00:00","gmt_time_end_last":"2015-07-14 16:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"221981","name":"Graduate Studies"}],"categories":[],"keywords":[{"id":"100811","name":"Phd Defense"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1789","name":"Conference\/Symposium"}],"invited_audience":[{"id":"78771","name":"Public"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}