Mechanical Engineering

Engineering design, analysis and troubleshooting services on components using (thermal, stress, vibration and fatigue) finite element analysis to API, AWS, ASME and other codes. We provide engineering support in the entire life-cycle of equipment and facilities – from assisting in product development, to resolving operational issues, to providing support on equipment nearing the end of design life

ASME Section VIII (FEA) Design & Analysis – Vessels Processing Nuclear Waste

  Thermal, fatigue, and creep Analysis using ASME Code We performed ASME Section VIII design & analysis – (using thermal, stress and fatigue) finite element analysis of elevated temperature/pressure vessels processing nuclear waste. The vessels were designed to treat radioactive waste to produce a stable, immobilized solid product waste as part of the Idaho Cleanup …

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Static & Dynamic Finite Element Analysis – Skate Ramp Modifications

We performed static and dynamic (finite element analysis) on various design modifications of skateboard ramps after a client/ manufacturer found permanent deformations on one of its ramps.   We perform dynamic and fatigue analysis on various types of structures. To learn more, see Finite Element Analysis. Give us a call to talk about your engineering …

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Development of Elevated Temperature Design Criteria for Nuclear Components

OCE developed elevated temperature design criteria which have become part of the ASME Boiler and Pressure Vessel (B&PV) Code for nuclear power plant components. This work included development of methods for fatigue evaluation, ductile failure mode analysis, the inelastic behavior of complex components, and design for cyclic service at elevated temperature. Some of these methods …

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Structural and Fatigue Analysis of Deflected Longwall Mining Relay Bar

Relay Bar We were asked to perform the structural integrity and fatigue life of an original and modified longwall mining relay bar. Longwall mining is used to more efficiently remove underground coal deposits in large rectangular blocks. After a “pass” of coal has been mined, the equipment assembly including the armored face conveyor and shields …

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FRP Contactor Vessel used Remove Hydrogen Sulfide – Failure Analysis

We performed failure analysis and subsequent design modifications on a contactor vessel. The vessel is part of a scrubber process used remove hydrogen sulfide from bio-gas and landfill gas. The vessel is fabricated from FRP (Fiber-Reinforced Plastic) designed to maximum internal pressure of 10 psig and maximum external pressure of 0.15 psig. The vessel had …

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Characterization of Brass Fittings in a Mine Rescue Chamber

  Three Brass Fittings were Evaluated For Stress Corrosion Cracking Three leaded free machining yellow brass oxygen manifold fittings were evaluated for dimensions and evidence of stress corrosion cracking (SCC). The fittings were taken from service in an underground coal mine rescue chamber. Visual evaluation indicated blue-green and red surface deposits, consistent with minor corrosion …

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