Kozloduy NPP
Seismic Analyses of Safety Important Piping Systems Situated in Reactor Building of Units 5 and 6, Kozloduy NPP
... Following the seismic analyses performed, the corresponding detailed design for new and modified pipe supports was elaborated for the various pipelines subject to seismic upgrade. The designed changes of safety related ...
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Seismic Qualification of Distribution Board for Kozloduy NPP, Units 5&6, by Analytical Method and by Analogy
... The distribution board (DB) to be seismically qualified by analytical methods should be mounted in Unit 5 of Kozloduy NPP WWER-1000MW. It has outside dimensions 1000/800/300 mm. The mounting plate is made ...
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Seismic Qualification of Secondary Devices for Differential Pressure Transmitters Used In- Wwer-440 Reactors at Kozloduy NPP
... Following the test procedure, functional tests were performed in order to check the condition of tested equipment after completion of the seismic testing program.. All [r] ...
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Seismic Evaluation and Upgrading of Pump House Buildings of Units 5&6 at Kozloduy NPP
... The following activities were performed to accomplish the objectives of the project: PH3 building walkdown, 3-D modeling, SSI seismic response analyses, capacity evaluat[r] ...
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Seismic Qualification Tests of Selected Types of Relays, Used in Kozloduy NPP
... The seismic qualification of the old design relays is part of project devoted to qualification of the important for the safety equipment in existing NPP. The electrical and control equipment was subject to test ...
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Seismic Upgrading of the Turbine Hall And Electric Building Of Unit 5/6 KOZLODUY NPP
... • The main part of the upgrading work will be done from outside (row G) and the technological process will not be disturbed. • The stiffness in longitudinal direction will be incr[r] ...
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Managing social challenges in the nuclear decommissioning industry: a responsible approach towards better performance
... of Kozloduy NPP in Bulgaria exemplifies this ...Since Kozloduy NPP was affected by early shut down and it is a heavy financial burden for these countries, the EU provided financial support ...
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Seismic qualification of bourdon tube pressure gauges with switch contacts in Units 5 and 6, NPP Kozloduy
... No mechanical damages were registered to the gauges and to their fixing to the rigid structure. Anyway the pressure gauges with magnetic snap-action contacts did not functioned reliably (chattering of the contacts for a ...
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Reconstruction of Accident Localization System of Units 3 and 4, NPP "Kozloduy" (P365)
... The main building of the Kozloduy NPP Unit 3 and 4 is a complex spatial structure, which consists of two main parts – Turbine Hall and Reactor Building. These two parts are connected with Longitudinal ...
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Seismic Safety of Building Structures of NPP Kozloduy III
... of NPP Kozloduy. The design seismic loads for the site of Kozloduy NPP has been reevaluated and increased during and after the construction of investigated Units ...
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Site Specific Estimation of Cumulative Absolute Velocity
... Using the estimated attenuation curves the expected CAV at the site of Kozloduy NPP could be computed, as shown in Table 5. We have assigned maximum expected magnitude and typical distance and depth for ...
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Aging Problems and Residual Life Time Evaluation of the WWER-1000 MW Containment Shell Structure
... The main goal of this paper is to generalize the specific aging problems and the residual life time evaluation of the WWER-1000 MW containment shell reinforced concrete structures of Unit 5 and 6 in Kozloduy ...
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Ultimate behavior of seismically isolated NPP
... a NPP is the verification that the applicable code’s and standard’s criteria are respected for a design basis seismic ...of NPP, as described in AFCEN ...
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Validation of MCNP NPP Activation Simulations for Decommissioning Studies by Analysis of NPP Neutron Activation Foil Measurement Campaigns
... in-situ NPP foil irradiation campaigns is ...the NPP Monte Carlo calculations with the results of the foil measurements is done by using an individual generic MCNP model functioning as an interface and ...
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The Application of the LBB Concept at Temelin NPP
... the effects of pipe break, occurred in the sub room, remain localized. in the sub room.[r] ...
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Seismic Stress Test of Koeberg NPP
... This paper discusses the seismic stress test assessment undertaken for Koeberg Nuclear Power Plant (KNPP) in South Africa.. KNPP is the only nuclear power station on the Af[r] ...
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The Complex Approach to the Determination of NPP Steam Generators Heat-Exchange Tubes Plugging Criterion (NPP SG HET PC) on the Basis of Analy-Ses of the Processes of the Tubes Damaging during NPP Operation
... As a result of eddy-current control (ECC) methods development appears the opportunity of early revealing of defects, which incipient in a walls of heat-exchange tubes (HET) of steam generators (SG) during operation. ...
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Assessing of Flame Spread on NPP Cables
... new NPP under construction in Finland, as early applications of the proposed methods samples of respective cables were measured using all the methods described ...
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Advanced Probabilistic Simulation of NPP Fires
... The consequences of fires at NPPs can be estimated using the numerical simulation. When combined with Monte Carlo technique, the probability of target events can be calculated. The computational cost related to the use ...
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Analysing the effect of drought on net primary productivity of tropical rainforests in Queensland using MODIS satellite imagery
... However, recent studies have reported a gradual change of the global trend observed by Nemani et al. (2003). The change was attributed to increased frequency of drought events (Zhao & Running, 2010). In their study, ...
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