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News – O'Donnell

BLOG: Primary Stresses

Stress and Fatigue Analysis of Bellows    What in the World is a Primary Stress? Most engineers are familiar with the terms “Normal Stress”, “Shear Stress” and potentially “Equivalent Stress”, however perhaps not so much with the terms “Primary Stress” and “Secondary Stress”. What do these terms mean and why are they important? “Primary Stress” …

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Blog: Failure Analysis – The Basics

Failure of a splined clutch power transmission shaft   Failure Analysis – the Basics Failures happen, often despite the best efforts of designers, engineers, and fabricators. The first consideration after a component failure should be the potential for other similar components in service to exhibit the same type of failure. There are many potential causes …

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Advantages of Dual Linear Array Probes for Corrosion Inspection

The power generation industry is among those whose aging infrastructure contributes to increased safety concerns, and can lead to costly unscheduled maintenance and shutdowns. Facilities must be vigilant about monitoring corrosion in their in-service pipes and vessels to help ensure their integrity. Read the Power Magazine Article.

Don’t Let Vibrations Shake Up Operations

The reliability and integrity of equipment, structures and piping can suffer because of vibration and dynamic responses. These depend mainly on excitation forces, stiffness, mass distribution and damping. Modal analysis, which focuses on natural frequencies and associated modal shapes, provides an important tool in understanding potential issues. Indeed, usually the first step in checking for …

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We provide engineering design, analysis and troubleshooting services to the Petrochemical, Mining, Materials, Transportation, Aerospace, Power and other industries. See our Contact Page to Submit an Inquiry.

See Portfolio to Read About Our Projects

We perform engineering design, analysis, troubleshooting and equipment life extension services, as well as expert witness services, assisting clients in the energy, mining, manufacturing, oil/gas, chemical and other industries solve complex problems – allowing them to increase production performance, and become more cost-efficient. See our Portfolio to read about our engineering and legal projects.

IEA World Energy Outlook 2019

Solar photovoltaic (PV) could surge ahead of coal and gas and become the largest source of installed power capacity in the world by 2035 if countries pursue stated policies and targets, the International Energy Agency (IEA) said in its newly released World Energy Outlook 2019 (WEO2019). See the Power Magazine Article.

Small Modular Reactors Gain Momentum in Europe

GE Hitachi Nuclear Energy (GEH) and NuScale Power, two leading companies in the race to build small modular reactors (SMRs) for power generation, have recently announced deals that could result to new plants being constructed in Europe. See the Power Magazine article.

Journey to the Beginning of Time

When studying the early universe, astronomers have different methods at their disposal: One is to look to very large distances and therefore back in time, to see the first stars and galaxies as they were many billions of years ago. Read the Space Daily Article.

Nuclear Power Roundup: New Milestones Reached on Several Reactors

A handful of nuclear power projects around the world completed notable achievements recently: Rostov 4 entered commercial operation, Tianwan 4 achieved first criticality, the Akademik Lomonosov floating nuclear power plant completed fuel loading, Leningrad II-1 received its commissioning permit, and the dome was installed on Karachi 3. Read the Power Magazine Article.

Public-Private Partnerships: When Will Reality Meet the Promise?

The promise of public-private partnerships (P3s) seems irresistible. The $4.5-trillion that the American Society of Civil Engineers says the U.S. must spend on at-risk infrastructure by 2025 is a backlog beyond the collective means of local, state and federal governments to fund and deliver. Read the ENR Commentary.

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