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Archive for the ‘engineering’ Category
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Tuesday, August 24th, 2010ASME Response to the Oil Spill in the Gulf of Mexico
Monday, August 16th, 2010ASME joins the engineering and technology community in expressing its deep concern for the situation in the Gulf of Mexico resulting from the explosion that occurred on the Deepwater Horizon offshore oil rig on April 20, 2010. Our sincere sympathies go out to the families and colleagues of the workers that lost their lives and more that were injured in this tragedy and to the communities being impacted.
As ASME continues to monitor news on the efforts to contain the oil flow from the damaged undersea well, the Society will make every effort to support the dissemination and discussion of the facts and available technical information related to this incident.
At appropriate times in the future, ASME plans to convene experts and leaders from the offshore technology community to participate in special sessions to discuss the technical issues associated with deepwater drilling. During upcoming conferences and other venues, ASME plans to host discussions on key issues such as lessons learned, best practices and ways to improve risk management processes.
While news surrounding this tragic incident continues to unfold, ASME will remain committed to making meaningful contributions to the Energy Grand Challenge, in the United States and throughout the world, by optimizing its volunteers and staff resources and by partnering with other organizations.
To read selected articles by ASME click here
asme.org 16 August 2010 http://www.asme.org/NewsPublicPolicy/Response_Oil_Spill_Gulf.cfm
ICE urges Government to reconsider UK aviation development plans in new report
Wednesday, August 11th, 2010Engineering experts have urged the Government to rethink its plans for UK aviation and airport infrastructure development, including its decision to ban new runways at the country’s busiest airports.
In a new report published today, Rethinking Aviation, ICE warns that a ‘better not bigger’ approach to airport runway capacity could seriously undermine the UK’s global connectivity and competitiveness, and see us lagging behind North European rivals that have been boosting their hub runway capacity at a considerable rate.
The ICE report acknowledges that the Government has ruled out building additional runway capacity in the South East as part of the aim to reduce aviation emissions, and agrees that unrestrained growth in demand for air travel without quick improvements in aircraft efficiency would damage the environment and needs addressing. But it urges Government to think carefully about the UK ’s long-term airport infrastructure needs and the wider implications of its decision.
ICE Aviation Expert, Simon Godfrey-Arnold, said: “We agree the green agenda must be priority, and realise that when it comes to the UK ’s airport infrastructure needs, there are some tough political and public choices. But we believe there are choices that can secure the best outcomes for the environment, society and the economy.
Click HERE to read the entire article…
ice.org.uk 11 August 2010 http://www.ice.org.uk/News-Public-Affairs/ICE-News/ICE-urges-Government-to-reconsider-UK-aviation-dev
Forensic Engineering Added to ICE Journals Offering
Wednesday, June 2nd, 2010Learning the lessons of the past is as important as understanding the possibilities of the future.
A new addition to the prestigious ICE Proceedings suite of journals, Forensic Engineering focuses on examining not only failure but also under-performance or non-compliance to promote understanding and future best-practice. The journal is chaired by Eur Ing Prof. Costas Georgopoulos.
Forensic Engineering equips the engineering community with the knowledge to achieve the highest standards in constructing facilities and encourages the effective application of engineering principles on the ground.
Unlike other journals in the field, only ICE’s Forensic Engineering journal offers:
• endorsement by the world’s longest established civil engineering authority, the Institution of Civil Engineers
• dedicated webpage on the world’s most comprehensive civil engineering resource, ICE Virtual Library
• direct access to ICE’s membership of over 80,000
• detailed focus on both modern and traditional forensic engineering topics
• case studies, briefings, technical reports and applied research in a single volume, four times a year.
Forensic Engineering is required reading for engineers and other practitioners such as architects and projects managers in government, industry and academia, particularly those concerned with constructed facilities that fail to perform as intended.
The journal is currently welcoming submissions from the academic and practitioner communities in civil engineering. To read more about the journal, visit the homepage where you can view the full aims and scope and editorial advisory panel. You can also download the details of the journal’s call for papers in PDF format.
The Short-Term Hydrogen Economy: Fueling Fuel Cells from Natural Gas
Friday, May 28th, 2010Introduction
As the supply of fossil fuels decreases, it is quite possible that future stationary or mobile energy systems will use hydrogen fuel cells. Natural gas has been proposed as a transition fuel as it is currently plentiful and has an existing infrastructure.
The process of generating hydrogen from natural gas (mostly methane) is outlined in Figure 1. After sulfur removal, steam and methane are combined and reacted at high temperature in a “steam reformer.” The effluent contains some carbon monoxide and water, which are reacted in a “water-gas shift reactor” to form carbon dioxide and additional hydrogen. The gases exiting the shift reactor are separated, with pure hydrogen product.
This paper will focus on the reactions that occur within the steam reformer and determine the equilibrium conversion of methane and water to hydrogen, carbon monoxide, and carbon dioxide. It is important to know the chemical compositions to determine natural gas requirements for a fueling station with an on-site reformer as well as size the reactor and separation units.
Methane Steam-Reforming Reactions
The steam reforming reaction is given as
CH4 + H2O ↔ 3 H2 + CO
This reaction is reversible. The methane conversion is determined from the equilibrium constant, which is given below as a function of the number of moles n of the individual components:
To read full article please click HERE…
engineeringcases.knovelblogs.com 28 May 2010 http://engineeringcases.knovelblogs.com/2010/05/19/the-short-term-hydrogen-economy-fueling-fuel-cells-from-natural-gas/
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