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Viewing 151 to 180 of 169953
Training / Education
2014-12-17
There is a potential for metal fatigue in any situation where a component is subjected to cyclic loads. Fatigue failures of various types are a key concern in increasing the reliability of products. Problems involving fatigue have become more severe with the demand for lighter weight structures and components. The effective use of fatigue analysis and predictive tools is critical for reducing the development time of new products. Two methods of metal fatigue analysis will be covered. The first is the stress-life approach. This method is used for high cycle or very long life fatigue problems where loads have fairly constant amplitude.
Training / Education
2014-12-15
The DO-178C standard titled Software Considerations in Airborne Systems and Equipment Certification is the worldwide standard for commercial avionics software development. This standard provides recommendations for the production of airborne systems and equipment software. Compliance with the objectives of DO-178C is the primary means for meeting airworthiness requirements and obtaining approval of software used in civil aviation products. This two-day seminar will introduce attendees to industry best practices for real-world software development and how to avoid common DO-178C mistakes. This seminar is intended to present the information necessary to help minimize DO-178C risks and costs, while also maximizing software quality during avionics development.
Training / Education
2014-12-15
RMS (Reliability-Maintainability-Safety-Supportability) engineering is emerging as the newest discipline in product development due to new credible, accurate, quantitative methods. Weibull Analysis is foremost among these new tools. New and advanced Weibull techniques are a significant improvement over the original Weibull approach. This workshop, originally developed by Dr. Bob Abernethy, presents special methods developed for these data problems, such as Weibayes, with actual case studies in addition to the latest techniques in SuperSMITH® Weibull for risk forecasts with renewal and optimal component replacement.
Training / Education
2014-12-15
This seminar introduces participants to all aspects of threaded fasteners including nomenclature, geometric considerations, metallurgy, material properties, applied stresses, and considerations for fatigue, corrosion, brittle fracture and temperature. Methods are developed for the analysis and design of bolted joints under axial and shear loads. Other topics include assembly practice and methods to control preload.
Event
2014-12-12
Training / Education
2014-12-12
In a global economy, aviation, space and defense organizations are presented the challenge of producing and delivering safe and reliable products across a wide range of customer requirements and expectations. In an effort to address diverse quality requirements and expectations while also reducing costs throughout the supply chain, the AS9100 family of standards was developed by international aerospace industry representatives to standardize international aerospace quality management system requirements. This two-hour live online course will provide insights into the ISO 9001 and AS9100 significant changes as they adopt the common management system structure.
Training / Education
2014-12-11
Engineers and managers involved with product development are constantly challenged to reduce time to market, minimize warranty costs, and increase product quality. With less and less time for testing, the need for effective accelerated test procedures has never been greater. This course covers the benefits, limitations, processes, and applications of several proven accelerated test methods including accelerated reliability, step stress, FSLT (Full System Life Test), FMVT® (Failure Mode Verification Testing), HALT (Highly Accelerated Life Testing), and HASS (Highly Accelerated Stress Screening).
Training / Education
2014-12-11
ARP4761 describes guidelines and methods for performing safety assessments. This recommended practice is associated with showing compliance with certification requirements (14CFR/CS Parts 23 and 25, section 1309) and assisting a company in meeting their own internal safety standards. The safety processes described are primarily associated with civil airborne equipment but the processes and tools may be applied to many applications. This 2 day seminar provides attendees with the guideline information for conducting industry accepted safety assessments consisting of Functional Hazard Assessment (FHA), Preliminary System Safety Assessment (PSSA), and System Safety Assessment (SSA).
Event
2014-12-10
Event
2014-12-10
Event
2014-12-10
One of the most important aspects of meeting emission standards is catalyst robustness. Emissions must be met at high mileage, termed “full useful life”, which is 150,000 mi for light and medium duty vehicles under Tier3/LEV3. Catalyst durability is application and system specific. Full useful life aging and correlations to accelerated aging schemes typically include both hydrothermal exposure and chemical poisoning. Robustness tests are designed to exceed the limits of a particular catalyst or filter material and test to failure. New aging schemes and robustness tests are needed when new technologies such as cold start traps for HC and NOx, gasoline particle filters, and SCR coated filters are incorporated into conventional three-way and diesel exhaust systems. This presentation will include a summary of recent emission certifications and publications by various vehicle manufacturers, aging and robustness testing of conventional exhaust systems, as well as a look into the durability of future emission control technologies.
Event
2014-12-10
New rounds of stringent nitrogen oxides (NOx) emissions reduction regulations in Europe (Euro 6c) and North America (CARB LEV III, EPA Tier 3) are driving the optimization of existing diesel exhaust aftertreatment systems. Urea - Selective Catalytic Reduction (SCR) systems are among the de-NOx technologies that have been successfully introduced in recent years. The new regulations are bringing a closer look to SCR de-NOx performance particularly during the cold start phase of the existing emissions certification cycles. This presentation will review some of the options under consideration to address cold start NOx emissions. Some of these approaches impose new and more severe requirements on the urea injection function – these are also reviewed as well as the response to these requirements by the injection system designers.
Event
2014-12-10
Pd based catalysts has not been considered sufficient for converting methane to carbon dioxide for lean-CNG applications mainly in terms of durability, which finally impact the performance on long period. In the present investigation, we were addressed the substantial improvement of Pd-based catalyst with respect to its durability and initial activity. To obtain this, primarily the improvement was mainly achieved based on the new insight on the deactivation routes of Pd-based catalysts under normal operating condition of lean-CNG engines using various physicochemical tools. In addition, optimal engine control logic was carried in second stage of catalysts development by keeping the catalyst more durable. The system, comprised of improved Pd-based catalyst and engine control logic, has demonstrated the capability of complying EURO-6 regulations.
Event
2014-12-10
The automotive industry is facing a combination of challenges over the next decade. Fuel economy regulations are increasing for light-duty vehicles, and U.S. EPA Tier 3 emissions standards are requiring lower tailpipe emissions. Advanced combustion techniques are being pursued to enable improved fuel economy, and lower NOx and PM emissions can be obtained by the more homogeneous combustion from these techniques. However, CO and HC emissions are often higher from advanced combustion engines, and the higher efficiency of these engines results in lower exhaust temperatures. The combination of higher CO and HC emissions with lower exhaust temperatures challenges conventional oxidation catalysts. Thus, new catalyst technologies are being pursued to lower light-off temperatures to enable emissions compliance. Research on novel catalyst formulations for control of CO and HC emissions will be presented.
Event
2014-12-10
Event
2014-12-10
Event
2014-12-10
Event
2014-12-10
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