Página 1 dos resultados de 16 itens digitais encontrados em 0.002 segundos

‣ Verificação de adequação do projeto de uma tubulação de incêndio de uma refinaria de petróleo conforme as normas da PETROBRAS; Verification of suitability of design of a pipeline fire in a petroleum refinery according to PETROBRAS standards

Fraga, Luís Fernando Limas
Fonte: Universidade Federal do Rio Grande do Sul Publicador: Universidade Federal do Rio Grande do Sul
Tipo: Trabalho de Conclusão de Curso Formato: application/pdf
Português
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O objeto de estudo deste trabalho é a verificação de adequação do projeto de uma tubulação projetada para fornecer água doce a um sistema de hidrantes e a um “Canhão Monitor” a ser utilizado no combate a incêndios no parque de bombas “D” situado dentro de uma refinaria de petróleo que faz parte do complexo de empresas da PETROBRAS, utilizando para isto as normas desta e as normas a que ela faz referência tais como ASME.B.31.3. Foram feitos cálculos conforme a literatura técnica e após comparados com os requisitos exigidos pela norma PETROBRAS. O levantamento dos dados foi feito durante o período de estágio obrigatório do autor que durou aproximadamente quatro meses.; The object of this paper is the verification of the adequacy of a pipeline fire designed to provide fresh water to a hydrant system and a "Cannon Monitor" to be used in fire combat in the pumps park "D" located within a oil refinery complex that is part of the company PETROBRAS, using the standards of this and the standards that it references such as ASME.B.31.3. Calculations were made according to the technical literature and further compared with the standard requirements demanded by PETROBRAS. The survey was done during the probationary period required of the author that lasted about four months.

‣ Vigas alveoladas: metodologias de dimensionamento

Oliveira, Tiago Cruz Pereira de
Fonte: Universidade de Aveiro Publicador: Universidade de Aveiro
Tipo: Dissertação de Mestrado
Português
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A presente dissertação visa apresentar a revisão bibliográfica das vigas alveoladas e aplicação das suas metodologias de dimensionamento. O uso das vigas alveoladas tem tido um crescimento favorável devido à sua conceção e vantagens na construção. A capacidade da introdução de dutos de serviços através das suas aberturas é um dos grandes benefícios explorados pelos engenheiros. Devido às suas vantagens, o uso das vigas alveoladas possibilita a otimização dos espaços contribuindo para uma construção mais sustentável. Com esta dissertação pretende-se mostrar a aplicação de metodologias de cálculo para a situação de temperatura normal e em caso de incêndio. Estas metodologias de cálculo são aplicadas a uma viga alveolada com aberturas circulares simplesmente apoiada. Fenómenos associados a esta tipologia de vigas, como o comportamento em viga Vierendeel e a encurvadura da alma entre as aberturas, são abordados de forma detalhada. Por fim é apresentada uma comparação de resultados obtidos através da utilização de métodos de cálculo simplificados com os valores obtidos através de uma modelação numérica com recurso ao programa de elementos finitos SAFIR.; The aim of this thesis consists in reviewing the structural behavior and design procedures of steel and composite cellular beams. The use of cellular beams has recently been growing because of their manufacture procedure and advantages in the construction. The wide employment of the cellular beams by engineers is due to the possibility of executing the pipeline services through the openings of the cellular beams. The application of cellular beams enables the optimization of space contributing to the highly sustainable construction. This thesis presents and describes the application of the existing design methods at the normal temperature and in case of fire. These design methods are applied to a simply supported composite cellular beam with circular web openings. The phenomena associated with these types of beams such as the Vierendeel behavior and the buckling of the web-post are discussed in detail. Finally...

‣ Mass Burns Disaster in Abule-egba, Lagos, Nigeria from a Petroleum Pipeline Explosion Fire

Fadeyibi, I.O.; Omosebi, D.T.; Jewo, P.I.; Ademiluyi, S.A.
Fonte: Mediterranean Council for Burns and Fire Disasters Publicador: Mediterranean Council for Burns and Fire Disasters
Tipo: Artigo de Revista Científica
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The aim of this paper is to review the basic principles of triage in mass burns disasters and discuss the experience of the Lagos State University Teaching Hospital (LASUTH), Ikeja, Nigeria, in the December 2006 disaster at Abule-Egba, Lagos, Nigeria. It is hoped that the experience gained will help in the planning for and management of similar disasters in the developing countries with limited facilities. Burn injury has been described as the severest form of trauma and its management is very challenging as it is often accompanied by numerous pathophysiological changes. Successful management requires expert management by well-trained personnel in equipped and dedicated centres. In mass disasters the total number of victims may exceed the capability of the facility and its staff and a system for sorting out the patients and caring for those that will benefit from the facilities available needs to be developed. Other patients will either be sent to other medical facilities for further treatment or discharged after initial care for future follow-up. Documented experiences in the management of mass burns disasters from petroleum pipeline explosions from developing countries are rare. However, petroleum pipeline explosions, especially in the Lagos area of Nigeria...

‣ Fire fighting in aerospace product development : a study of project capacity and resource planning in an aerospace enterprise

McQuarrie, Allan J. (Allan John), 1963-
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 194 p.; 11926119 bytes; 11951099 bytes; application/pdf; application/pdf
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It is broadly recognized in the aerospace industry, as well as many others, that organizations which effectively execute development projects to meet desired cost, schedule, and performance targets for their customers produce higher levels of customer satisfaction and also a significant source of competitive advantage. Continually meeting the needs of the customer through effective project execution allows a company to become a preferred supplier favored in source selection for follow-on contracts and new development projects necessary for business growth. This research effort examines one aerospace company, which has multiple, diverse development projects on-going at any one time across several business units. The motivation for this thesis is to explore the product/system development capacity of the enterprise by analyzing the historical program performance of major projects, understanding the level of problem projects or fire fighting within the project pipeline, and the perceived causes of poor project performance. In addition, system dynamics models are developed to analyze the dynamics associated with project planning and resource planning strategies for both multi-project and single project scenarios. This analysis provides insight into the potential for project pipeline "tipping" and the effects of various project management and resource planning strategies in an aerospace product/system development context. Such analysis is believed to provide greater insight and opportunity to improve the product/system development performance for the enterprise.; by Allan J. McQuarrie...

‣ State and Trends of the Carbon Market 2006 : A Focus on Africa

Capoor, Karan; Ambrosi, Philippe
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
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Many African countries have thin energy and industrial sectors with limited opportunities to reduce carbon emissions, certainly relative to countries such as China and India. Carbon sequestration from avoided deforestation and from agriculture--potentially important areas for climate mitigation and important in many African economies--has been systematically excluded from the Clean Development Mechanism (CDM). At the same time, CDM-eligible assets from afforestation and reforestation are excluded from entry into the large European Union-Emissions Trading Scheme (EU ETS), substantially limiting their market value and potential share in the multi-billion dollar global carbon market. The Africa share of the CDM market is lower than the share of African countries to developing nations in Foreign Direct Investment (FDI) over the past few years, which has been around 10 percent.

‣ State and Trends of the Carbon Market 2006 : Update, January 1-September 30, 2006

Capoor, Karan; Ambrosi, Philippe
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
Português
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Carbon transactions are defined as purchase contracts or ERPAs (Emission Reductions Purchase Agreements) whereby one party pays another party in return for greenhouse gas (GHG) emissions reductions that the buyer can use to meet its compliance or corporate citizenship - objectives vis-a-vis GHG mitigation. Payment is made using one or more of the following forms: cash, equity, debt, or in-kind contributions. This paper includes the following headings: executive summary; methodology; allowance-based markets; project-based markets; investment climate and regulatory environment; and regulatory outlook.

‣ Permitting and Licensing Regimes for Renewable Energy Projects

Merle-Beral, Elena; Gassner, Katharina
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
Tipo: Brief; Journal Article
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Permitting, licensing, and other authorization procedures are an integral part of investing in renewable energy. For private companies, the quality of these procedures can drastically affect transaction costs and project risk. Optimal regimes are tailored to country specifics and depend on the way in which private investors access the market in the first place—from auctions to site-specific tenders to standardized contracts on a first-come, first-served basis. Although there is no single best practice when it comes to authorizing renewable energy projects, common principles exist that signal an investor-friendly and socially and environmentally responsible regime.

‣ A simulation model depicting fleet expansion effects on the fire control technicians training pipeline

Nelms, Larry W.; Smith, Jeffrey T.
Fonte: Escola de Pós-Graduação Naval Publicador: Escola de Pós-Graduação Naval
Tipo: Tese de Doutorado
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‣ MK 92 MOD 2 Fire Control System Maintenance Advisor Expert System : implementation and deployment

Leonard, Thomas J.
Fonte: Monterey, California : Naval Postgraduate School Publicador: Monterey, California : Naval Postgraduate School
Tipo: Tese de Doutorado
Português
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This thesis perpetuates research aimed at deploying a diagnostic expert system for the MK 92 Mod 2 Fire Control System to 28 Oliver Hazard Perry class fast frigates. Referred to as the Maintenance Advisor Expert System (MAES) , this expert system is being jointly developed by the Naval Postgraduate School and Port Hueneme Division, Naval Surface Warfare Center (NSWC PHD). This thesis focuses on the long-term implementation issues related to deploying MAES to the fleet, integrating MAES into the formal training pipeline, and transitioning life cycle Support for MAES to NSWC PHD. MAES long-term implementation issues, which include hardware, software, documentation, and training requirements, are examined within the context of implementation factors and risks historically associated with deploying expert systems. Plans for deploying MAES to the fleet and integrating MAES into the formal training pipeline are provided. As part of the documentation necessary to transition life cycle support of MAES to NSWC, a System Level Description document is also provided

‣ State and Trends of the Carbon Market 2006 : A Focus on Africa

Capoor, Karan; Ambrosi, Philippe
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
Tipo: Publications & Research :: Working Paper; Publications & Research
Português
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Many African countries have thin energy and industrial sectors with limited opportunities to reduce carbon emissions, certainly relative to countries such as China and India. Carbon sequestration from avoided deforestation and from agriculture--potentially important areas for climate mitigation and important in many African economies--has been systematically excluded from the Clean Development Mechanism (CDM). At the same time, CDM-eligible assets from afforestation and reforestation are excluded from entry into the large European Union-Emissions Trading Scheme (EU ETS), substantially limiting their market value and potential share in the multi-billion dollar global carbon market. The Africa share of the CDM market is lower than the share of African countries to developing nations in Foreign Direct Investment (FDI) over the past few years, which has been around 10 percent.

‣ State and Trends of the Carbon Market 2006 : Update, January 1-September 30, 2006

Capoor, Karan; Ambrosi, Philippe
Fonte: World Bank, Washington, DC Publicador: World Bank, Washington, DC
Tipo: Publications & Research :: Working Paper; Publications & Research
Português
Relevância na Pesquisa
17.026453%
Carbon transactions are defined as purchase contracts or ERPAs (Emission Reductions Purchase Agreements) whereby one party pays another party in return for greenhouse gas (GHG) emissions reductions that the buyer can use to meet its compliance or corporate citizenship - objectives vis-a-vis GHG mitigation. Payment is made using one or more of the following forms: cash, equity, debt, or in-kind contributions. This paper includes the following headings: executive summary; methodology; allowance-based markets; project-based markets; investment climate and regulatory environment; and regulatory outlook.

‣ FYR Macedonia Energy Policy Paper

World Bank
Fonte: Washington, DC Publicador: Washington, DC
Tipo: Economic & Sector Work :: Energy Study; Economic & Sector Work
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This Report provides an overview of the investment, and policy choices in the Macedonian energy sector. On the investment side, the Report highlights the criteria under which potential investments in a new Combined Heat and Power (CHP) plant, and a new coal mine, should proceed. The Report focuses on reforms that would be required to support the CHP project, namely ratification by Macedonia of the Kyoto Protocol, and resolution of ownership issues related to the gas pipeline linking Skopje to Bulgaria. The Report recommends development of a Skopje gasification project, and a Renewable Energy Project. Regarding reforms to support Macedonia's participation in the regional energy market, the Report concludes that good progress is being made, particularly as regards development of a regulatory framework for the energy industry. The Report recommends that the Electric Power Company of Macedonia (ESM) be restructured, prior to privatization, with hydro assets being separated from thermal generation, and that possible ownership...

‣ Enforcing Environmental Laws for Strong Economies and Safe Communities

World Bank
Fonte: Washington, DC Publicador: Washington, DC
Tipo: Publications & Research :: Working Paper
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This roadmap for environmental and natural resources law enforcement (ENRLE) sets forth a course of action for the World Bank's ENRLE community of practice for FY2013-15. It outlines for senior management a strategy to mobilize and strengthen the Bank's engagement in the fight against environmental and natural resource crime. The roadmap also serves as a mobilizing tool for staff and management in regional departments to demonstrate the importance of ENRLE and to outline the menu of solutions that the community of practice (COP) can offer to strengthen clients' fight against environmental and natural resource crime. Recent spikes in poaching, in illegal logging, and in illegal, unreported, and unregulated (IUU) fishing have amplified the already urgent need for action. These crimes increase poverty, shrink prosperity, and magnify social and political tensions that undermine healthy communities and strong economies. Investment returns in wise environmental and natural resource law enforcement can be high. Criminal activities that affect the environment and natural resources are on the increase and pose an increasingly serious threat to development. Environmental and natural resource crime is common...

‣ A flame propagation model on a network with application to a blocking problem

Camilli, Fabio; Carlini, Elisabetta; Marchi, Claudio
Fonte: Universidade Cornell Publicador: Universidade Cornell
Tipo: Artigo de Revista Científica
Publicado em 12/11/2014 Português
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We consider the Cauchy problem\[\partial_t u+H(x,Du)=0 \quad (x,t)\in\Gamma \times (0,T),\quad u(x,0)=u_0(x)\; x\in\Gamma \]where $\Gamma$ is a network and $H$ is a convex and positive homogeneous Hamiltonian. We introduce a definition of viscosity solution and we prove that the unique viscosity solution of the problem is given by a Hopf-Lax type formula. In the second part of the paper we study flame propagation in a network and we seek an optimal strategy to block a fire breaking up in some part of a pipeline.; Comment: 25 pages, 18 figures

‣ Near Infrared Spectra and Intrinsic Luminosities of Candidate Type II Quasars at 2 < z < 3.4

Greene, Jenny E; Alexandroff, Rachael; Strauss, Michael A; Zakamska, Nadia L; Lang, Dustin; Liu, Guilin; Pattarakijwanich, Petchara; Hamann, Frederick; Ross, Nicholas P; Myers, Adam D; Brandt, W Niel; York, Donald; Schneider, Donald P
Fonte: Universidade Cornell Publicador: Universidade Cornell
Tipo: Artigo de Revista Científica
Publicado em 14/04/2014 Português
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We present JHK near-infrared (NIR) spectroscopy of 25 candidate Type II quasars selected from the Sloan Digital Sky Survey, using Triplespec on the Apache Point Observatory 3.5m telescope, FIRE at the Magellan/Baade 6.5m telescope, and GNIRS on Gemini. At redshifts of 2 < z < 3.4, our NIR spectra probe the rest-frame optical region of these targets, which were initially selected to have strong lines of CIV and Ly alpha, with FWHM<2000 km/s from the SDSS pipeline. We use the [OIII]5007 line shape as a model for the narrow line region emission, and find that \halpha\ consistently requires a broad component with FWHMs ranging from 1000 to 7500 km/s. Interestingly, the CIV lines also require broad bases, but with considerably narrower widths of 1000 to 4500 km/s. Estimating the extinction using the Balmer decrement and also the relationship in lower-z quasars between rest equivalent width and luminosity in the [OIII] line, we find typical A_V values of 0-2 mag, which naturally explain the attenuated CIV lines relative to Halpha. We propose that our targets are moderately obscured quasars. We also describe one unusual object with three distinct velocity peaks in its [OIII] spectrum.; Comment: Accepted for publication in ApJ, 18 pages, 14 figures

‣ San Bruno California, September 9, 2010 Gas Pipeline Explosion and Fire

Davidson, Rachel A.; Kendra, James; Li, Sizheng; Long, Laurie C.; McEntire, David A.; Scawthorn, Charles; Kelly, Joshua
Fonte: Disaster Research Center Publicador: Disaster Research Center
Tipo: Relatório
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On September 9, 2010 a buried high pressure 30-inch steel natural gas pipeline exploded in a residential neighborhood in the City of San Bruno, California, a suburb of San Francisco. The explosion and ensuing fire killed 8 and injured 58, and destroyed 38 and damaged 70 homes. During the first 50 hours following the incident, over 500 firefighters and 90 apparatus responded, involving 42 fire agencies. The total cost of the disaster is estimated to be approximately $1.6 billion. Local and regional jurisdictions have been engaged in extensive and sophisticated recovery and reconstruction operations, which continue as of this writing. This report, funded by the National Science Foundation under a RAPID grant, is based on site visits, interviews, and secondary data collection, and addresses emergency response and recovery from two perspectivesengineering and social science. Causes of the explosion were examined by the National Transportation Safety Board and are not considered in detail. Semi-structured interviews were conducted with public officials of the principal fire and emergency services and with representatives of non-profit organizations active in the area. Team members made several site visits from immediately after the event in September 2010 to February 2011. Key findings and research issues identified include the following. First...