Piping Systems
Fragility of Piping Systems and Reliability of Piping Components.
... Nonstructural Systems” on various kinds of T-joint components in branch lines of sprinkler piping systems (Tian et ...of piping performance based on experimental test ...nonstructural ...
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Estimation of Leak and Break Frequencies for Probabilistic Safety Analyses of Piping Systems
... in piping systems contained in the report on methods and data for the probabilistic safety analysis PSA (2005) has been updated and extended by ...for piping systems with different diameters ...
8
On categorization of seismic load as primary or secondary in piping systems
... of piping systems is derived from outputs of experimental research programs carried out in USA, Japan and ...of piping systems are very close to their natural ...
10
Ductile Fracture Assessment of Piping Systems Including the Compliance Effects
... high-energy piping system are sufficiently tough to tolerate a large through-wall flaw/crack, which will give easily detectable leak rate without causing unstable crack growth during maximum accident loading ...
8
Numerical modelling of the fatigue ratcheting failure in nuclear piping systems
... pressurized piping systems, low cycle fatigue (LCF) and strain accumulation (ratcheting) can take place due to cyclic loading during a seismic ...those systems in the design codes is mainly assumed ...
10
Scaling of Earthquake Ground Motions for Fragility Analysis of Piping Systems.
... nonstructural piping systems. A piping model developed from real-life piping system is utilized for finite element analysis in this research, and the failure criterion built from ...
125
Development and validation of an analytical scheme for the fracture mechanics assessment of piping systems submitted to imposed displacements
... Piping systems are submitted to a complex set of primary and secondary loadings which have to be combined together within Fracture Mechanics Assessments (FMA) methodologies in order to justify, at design ...
12
Equivalent linearization using transfer function applied to piping systems in seismic engineering
... of piping systems, undergoing the filtered white noise signal ...the piping system’s test campaign EPRI in 1994 (EPRI (1994)) and BARC in 2015 (Ravikiran ...
10
Seismic Fragility of Piping Systems: Consideration of Cyclic Behavior and Closed-Form Relationship.
... of piping components in the context of evaluating piping ...at piping T-joints was identified as the accumulation of plastic rotations, and a new failure criteria was ...
156
Industrial Models for Thermal Fatigue Crack Initiation and Propagation in Mixing Zones of Piping Systems (F157)
... Piping systems of nuclear power plants include connections of branches conveying fluids at different temperatures. Thermal-hydraulic fluctuations arise from the turbulent mixing of the flows and result in ...
9
On the Optimization of Support Positioning and Stiffness for Piping Systems in Power Plants
... the piping (in the considered case the stiffness of the supports), minimizing a functional containing the current natural frequencies of the piping system, and the desired ...plant piping ...
8
Active control of vibrations in piping systems
... Piping systems in plants can fulfil different tasks. Therefore, the dimensions and the used materials vary significantly. In addition, the loading highly depends on the intended use. Beside the common ...
8
A fuzzy based model to determine CUI corrosion rate for carbon steel piping systems
... The relationship between corrosion rate of insulated carbon steels with operating temperature and type of environment is described by American Petroleum Institute in its standard, API 581 [6]. The type of environment is ...
6
Analysis of Two Phase Flow Induced Vibration in Piping Systems
... dynamical systems consisting of axially moving continua, a class of problems involving momentum transport that also includes high speed magnetic and paper tapes, aerial cable tramways, band-saw blades, power ...
22
The thermo-economic optimization of hot-water piping systems: A parametric study of the effect of the system conditions
... A design procedure has been developed by Jones and L ior [4] that involves solar-heating- system p ip in g and w ater-sto rag e tan k s. T heir optimization method considers cost minimization with the first law o f ...
8
Analysis of the Effects of External Detonations on Piping Systems
... (No failure for hypothetical 0.02 psi-sec impulse)° Threaded joints would fail if located close to span center, as a result of the pressure impulse... 3- Copper Tubing an[r] ...
8
Visualisation of Transient Cavitatili Flow in Piping Systems
... pipline systems run at a broad range of transient regimes ...a piping system generates a pressure rise and subsequent pressure drop following wave reflection off the ...
14
Generation Possibilities of Lower Frequency Components in Fluid Temperature Fluctuations Related to Thermal Striping Phenomena (B216)
... T-junction piping systems were carried out using a quasi-direct numerical simulation code ...T-junction piping systems, the arched vortex structures under the reflection jet condition, the ...
8
Approaches to establish the seismic safety evaluation procedure based on the inelastic response analyses
... Based on such background, a task group (TG) activity under the Japan Society of Mechanical Engineers (JSME) has been conducted since 2014 (Nakamura et al (2015)) to provide the strain-based criteria and the estimation ...
10
Effects of Pipe-System Restraint on COD Calculations of Axial Loaded Pipes for LBB Applications - Finite Element Round Robin Results
... Among the factors that are most critical to leak-before-break (LBB) of nuclear piping systems is an effect called restraint of pressure induced bending on crack-opening displacement (1) . The existence of a ...
8