.... To exacerbate and complicate this additional type of fatigue damage, power plant design pressures and temperatures are rising, new materials are being introduced, pipes and attached components are becoming increasingly thick, and owners are requiring power plants to heat-up and cool-down at faster rates. Also...

...Stanley Yokell This paper discusses factory and field pressure testing of tubular heat transfer equipment such as closed feedwater heaters, steam surface condensers, and power plant auxiliary heat exchangers built in accordance with Section VIII, Division 1 of the ASME Boiler and Pressure Vessel...

... deformations of high temperature pipes in power plants. In order to validate the experimental measurement of the high temperature, theoretical simulation of the creep process is adopted for this pipe. The simulation result will be used for comparison with the experimental results. The dimensions...

...Kunio Hasegawa; Toshiyuki Meshii; Douglas A. Scarth One of the more common modes of degradation in power plant piping has been wall thinning due to erosion-corrosion or flow-accelerated corrosion. Extensive work has been performed to understand flow-accelerated corrosion mechanisms and develop...

... and thermal gradients. To exacerbate this, power plant design pressures and temperatures are rising, new materials are being introduced, pipes and attached components are becoming increasingly thick, and owners are requiring power plants to heat-up and cool-down at faster rates. Also, power plant owners...

...Andrew Morris; Chris Maharaj; Miltiadis Kourmpetis; Ian Dear; Amit Puri; John Dear Sensors for monitoring creep strain in high-pressure steam pipes and other power plant components are subjected to very demanding environmental and operational conditions. It is important that the sensors...

... on the inner surface of tubular components by means of the multiple-probe sensor placed on the outer surface. 14 03 2007 26 08 2008 09 12 2008 crack detection finite element analysis pipes plates (structures) power plants probes remaining life assessment sensors The number...

... stresses can possibly be controlled and reduced by using countermeasures. Not only thermal stress behavior but also the prediction of the microstructural phase during welding heat cycles is very important. High-strength steels or martensitic stainless steels are used in many power plant components...

...Raymond K. Yee; Mike Kapper Pressurized vessels such as a steam drum in a typical power plant can often experience in-service cracking. Structural integrity assessment methodology can be a useful tool to determine the suitability of a vessel for service. This methodology may include fitness...

... 06 10 2005 protective coatings corrosion protection steel alloys construction components power plants oxidation power stations metallic high-temperature materials corrosion layers coatings SNMS SIMS SEM TEM EPMA RBS LRS XRD The increase in the thermal...

... September 2, 2003. Associate Editor: M. J. Pettigrew. 10 April 2001 02 September 2003 05 05 2004 pipe flow voids (solid) hydrodynamics steel high-pressure techniques geometry pipelines power plants Liquid slug motion in a voided line is observed especially in piping...

... by the PVP Division, March 22, 2001; revised manuscript received March 29, 2002. Associate Editor: S. Y. Zamrik. 22 July 2001 22 March 2001 29 March 2002 26 07 2002 safety steam turbines power plants nuclear power stations neural nets eddy current testing pressure vessels...

... ,” Int. J. Multiphase Flow , 11 , pp. 161 – 175 . pressure vessels vibrations power plants flow instability mixtures Many power and process plant components operate in two-phase flow, under high flow rates and adverse environmental conditions. For example, it has been estimated...

...Suzanne Michaud; Samir Ziada, Mem. ASME; Henri Pastorel The steam dump system in Gentilly Nuclear Power Plant consists of four parallel steam pipes, each of which comprises a steam control valve. Two pipes of this system experienced high-cycle fatigue damage. In-situ vibration and dynamic strain...

... power plants pressure vessels failure (mechanical) failure analysis Thermal fatigue cracks have been found at a branch pipe connection between hot and cold water systems in power plants. Even though a thermal sleeve was installed to prevent the initiation of thermal fatigue cracks, cracks...

...; revised manuscript received November 16, 2000. Editor: S. Y. Zamrik. 23 July 2000 12 October 2000 16 November 2000 pressure vessels bending stress effects heat pipes power plants nuclear power In the foregoing stress terms, D o M / 2 I...

... resistance corrosion heating power plants oil technology The Estonian oil shale is a local low-grade fuel having calorific value, Q t r ∼ 8.4   MJ / kg , ash content, A d ∼ 51.3   percent , and moisture content, W t r ∼ 11.7   percent...

.... Editor: S. Y. Zamrik. 01 January 2000 23 October 2000 power plants fission reactor safety pressure vessels fatigue testing fracture mechanics fission reactor operation Cruciform beam specimens 3 4 5 6 7 8 9 developed at ORNL introduce a prototypic, far-field, out...

..., fluidelastic instability, axial flows, and two-phase flows. Numerous references are provided along with suggestions for future research on unresolved issues. [S0094-9930(00)01203-8] power plants vibrations flow failure (mechanical) acoustic resonance turbulence 1 Comparison of Eq. ( 4...

...R. Viswanathan Aging of power plants and competitive pressures to operate and maintain (O&M) these plants at reduced costs have heightened industry interest in life assessment and management technologies. Piping and tubing systems carrying high-pressure steam at temperatures exceeding 1000°F...