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Articles 1 - 6 of 6
Full-Text Articles in Engineering Science and Materials
Evaluation Of The Thermal Performance And Cost Effectiveness Of Radiant Barrier Thermal Insulation Materials In Residential Construction, Somayeh Asadi
LSU Doctoral Dissertations
Reducing heating and cooling systems loads in buildings is a cost effective way to decrease energy consumption in residential houses. This reduction can be achieved in many ways including proper insulation of the building envelope. In recent years, considerable attention was given to the use of radiant reflective insulating barriers. Over the past years, reflective barrier insulation companies nationwide have experienced significant growth resulting in an industry average growth rate of 26.8%. This significant growth is expected to continue as a result of increased cooling demands and pressure from the energy sector and the economy. Growth is also predicted to …
Development Of Cost-Effective And Benign Lipid Extraction System For Microalgae, Javed Iqbal
Development Of Cost-Effective And Benign Lipid Extraction System For Microalgae, Javed Iqbal
LSU Doctoral Dissertations
A laboratory-made continuous flow lipid extraction system (CFLES) was devised to extract lipids from microalgae Nannochloropsis sp., a potential feedstock for biodiesel fuel, with a focus to assess the workable temperatures and pressures for possible scale-up applications. Using conventional solvents, the CFLES recovered 100% of the lipids recovered with conventional Soxhlet extraction (USEPA method 3540) at moderate 50 psi pressure and 100°C temperature; conditions significantly lower than those normally used in pressurized liquid extractions requiring specialized equipment. Approximately 87% of the extracted oil was successfully transesterified into biodiesel fuel. For exploring the solvent potential of biodiesel, CFLES was also tested …
Improving Discourse Structure Identification, Jamie Allison Guidry
Improving Discourse Structure Identification, Jamie Allison Guidry
LSU Master's Theses
Rhetorical Structure Theory (Mann et al. 1988), a popular approach for analyzing discourse coherence, suggests that coherent text can be placed into a hierarchical organization of clauses. Identification of a text’s rhetorical structure through automatic discourse analysis is a crucial element for many of today’s Natural Language Processing tasks, but no sufficient tool is available. The current state-of -the-art discourse parser, SPADE (Soricut et al. 2003), is limited to parsing discourse within a single sentence. HILDA (Hernault et al. 2010) extends the parsing abilities of SPADE to the document level, but with a decrease in performance. This study achieved document-level …
A Safety Elements Model For The Building Construction Industry, Cliff Dunlap Dunlap
A Safety Elements Model For The Building Construction Industry, Cliff Dunlap Dunlap
LSU Doctoral Dissertations
The Abstract was sent to Ms. McKenzie as an attachment to an e-mail
Quantification Of Nox Reduction Via Nitrate Accumulation On A Tio2 Photocatalytic Concrete Pavement, David James Osborn
Quantification Of Nox Reduction Via Nitrate Accumulation On A Tio2 Photocatalytic Concrete Pavement, David James Osborn
LSU Master's Theses
Field trials of photocatalytic pavements were recently initiated and are presently being considered by many states (e.g., Virginia, Texas, New York, and Missouri). Results from this study originate from the country’s first air-purifying asphalt and concrete photocatalytic pavements, constructed on Dec. 20, 2010. The test area is a pavement site located on the LSU campus. The objective of the study is to validate field photocatalytic degradation of NOx in a field environment by measuring the day to day accumulation of the oxidized byproduct; nitrate salts. The mass of nitrates, produced by the real life photocatalytic pavement, were measured. The measurement …
Hurricane Damage Assessment Process For Residential Buildings, Carol C. Massarra
Hurricane Damage Assessment Process For Residential Buildings, Carol C. Massarra
LSU Master's Theses
Assessing an affected area immediately after a severe natural hazard event and saving the resulting data are vitally important in any effort to reduce future economic losses from natural hazards. These data are used as a record of buildings performance and as a major component for statistical analysis and damage modeling studies. Since these data are used as input for these studies, the data must be assessed and collected in a scientific and standardized way. Despite this requirement, neither a systematic damage assessment process nor a standardized data collection protocol is currently available in the United States to ensure that …