usability human factors and safety

... Trang 1NUCLEAR POWER – CONTROL, RELIABILITY AND HUMAN FACTORS Edited by Pavel V Tsvetkov Trang 2Nuclear Power – Control, Reliability and Human Factors Edited by Pavel V Tsvetkov Published by ... Saldanha and Paulo Fernando F Frutuoso e Melo Chapter 17 Non-Destructive Testing for Ageing Management of Nuclear Power Components 311 Gerd Dobmann Part 4 Plant Operation and Human Factors ... Human Factors 339 Chapter 18 Human Aspects of NPP Operator Teamwork 341 Márta Juhász and Juliánna Katalin Soós Trang 7Chapter 19 The Human Factors Approaches to Reduce Human Errors in Nuclear Power...

Ngày tải lên: 19/06/2014, 11:20

... Centre for Safety Infrastructure-Oriented Research and Analysis, 2Research and Production Corporation RADIY, This circumstance calls forth that a lot of international and national standards and guides ... modern information and electronic technologies and component-based approaches to development in critical areas, on the one hand, improve reliability, availability, maintainability and safety characteristics ... (specification languages) and others 2 There are following methods of diversity level assessment and evaluation of MVS dependability and safety (Kharchenko et al, 2009) Theoretical-set and metric-oriented...

Ngày tải lên: 19/06/2014, 11:20

... robustness and safety margins, and accident probability assumptions For example, both Three Mile Island and Fukushima underscored the critical role of I&C signals in enabling operators to understand ... notwithstanding, temperature, pressure, level, flow, and neutron flux remain the most important and safety-critical measurements for the control and safety protection of nuclear reactors The heart ... temperature, pressure and flow as well as control, regulation, and safety components that process the sensors’ data  Communication infrastructure—wires and cables, fiber-optic and wireless networks,...

Ngày tải lên: 19/06/2014, 11:20

... internal and external threats Consequently, a NPP is considered a potential source of danger to its surroundings and, in turn, environmental elements – natural, artificial, and human factors – ... Operational and functional issues related to safety in the nuclear power plant environment are required to address the possibility of troubles and malfunctions in instrumentation and control ... operation regarding the compliance with national and international standards, recommendations, regulatory guides, reliability and availability metrics, and security mechanisms, were established Within...

Ngày tải lên: 19/06/2014, 11:20

... involves control and measurement signals to and from the field devices, information and commands within the control system, and status and demands between the SNPS control system and spacecraft ... response, and condition or health of the control system, components, and plant, and it provides diagnostic and prognostic information The commanding functionality is directed toward configuration and ... support condition determination and monitoring for components and process systems The hybrid control level provides command and signal validation capabilities and supports prognosis of incipient...

Ngày tải lên: 19/06/2014, 11:20

... energetic mix Various national and international programs taking place in order to improve the performance and the safety of existing and future NPPs as well as to assess and develop new reactor concepts ... in order to ensure operational safety and to verify that the repository evolves as predicted The feasibility of measuring safety relevant parameters using sensors and multiplexing systems based ... real-time mode, and in which the incoming data may be distorted or noisy This makes artificial neural networks ideally suited as a candidate for fault monitoring and diagnosis, control, and risk evaluation...

Ngày tải lên: 19/06/2014, 11:20

... Undeclarednuclear activities and/or illegal use and transport of nuclear fuel can be detected throughdetermination of the isotopic ratios of U and Pu in such samples Accurate assessment andmonitoring of ... existing NPPs and the possible futureoperation of new plants demand accurate investigations about the possible contamination by radioactive releases of nuclear sites and neighboring territory and of ... nuclear accidents and reprocessingoperations, in studies of the biokinetics of the element in humans, and as a tracer of soil loss has a role to play in nuclear safeguards and in determining...

Ngày tải lên: 19/06/2014, 11:20

... that the peak usage factors are well above 1.0 and occur at the top and sides These correlate with the observed locations of the deepest cracks for that plant The high usage factors conclusively ... Drop Method Journal of Testing and Evaluation, Vol 30, No 3, (May 2002), pp 221-227, ISSN 0090-3973 Sharobeam, M.H & Landes, J.D (1991) The Separation Criterion and Methodology in Ductile Fracture ... hot and cold fluids inhibits their mixing so that the feed water becomes and remains thermally stratified Separation of these two flow regions is due to the density difference in the hot and...

Ngày tải lên: 19/06/2014, 11:20

... between yielding and buckling and that have been studied indetail A simple predictive formula was proposed in this context, which turns out to bereasonably accurate for any slenderness and several ... elastic-perfectly plastic and governed by von Mises’ criterion E and ν are its elastic constants (Young modulus and Poisson ratio, respectively) andσ0denotes the tensile yield strength In the theoretical ... W= Dmax− Dmin where Dmaxand Dminare the maximum and minimum diameters of the ellipsis portraying the external surface of the tube (see Fig 8a in the subsequent section) and D is their average...

Ngày tải lên: 19/06/2014, 11:20

... means of safety verifications Rereviews include an assessment of plant design and operation against current safety standards and practices, and they aim at ensuring a high level of safety throughout ... requirements, and cause damage to safety systems Trang 3The knowledge of the aging and degradation processes and the developing of methods and guidelines for its management is important to the reliable and ... are complementary to the routine and special safety reviews and do not replace them (IAEA, 2009) In 1991, the US Nuclear Regulatory Commission (NRC) issued rules and associated documentation describing...

Ngày tải lên: 19/06/2014, 11:20

... development and cell size change and arrangement) and not due to thermal ageing, i.e further pronounced precipitation The overall 3MA approach, by taking in addition other 3MA-quantities in account and ... plastic deformation and thus local damage Figure 25 and Figure 26 show the fatigue damage development and accumulation in the case of the 1.4541 material (Ti stabilised) at RT and at 300°C as can ... (Jansky, Andrä, & Albrecht, 1993) which occurred during operation and in one case during in service hydro-testing In all damage situations, the operating temperature was between 320 and 350C...

Ngày tải lên: 19/06/2014, 11:20

... imbalance between environmental demands and the human’s resources for dealing with the demands The effects of time pressure impede the task performance in two ways On one hand, under high time pressure ... utilize and develop their cognitive abilities Persons low in Openness to experience will easily bear a cognitive overload and avoid new and ambiguous situations that demand creativity and offer ... environment, and ability to transfer and use this knowledge during operations); Problem solving (the skill to recognize and define the sources of task difficulties, and to be active in providing and implementing...

Ngày tải lên: 19/06/2014, 11:20

... various human factors in operating NPPs has been reviewed by human factors experts and independent operation experts Many points that are not suitable in a human factors sense have been revealed and ... Trang 13 Human factors practices in NPPs (Nuclear Power Plants) In the following, we introduce human factors practices which include human factors assessment and management in NPPs ... industrial safety domain This technique is arranged as seven accident occurrence stages (background factors, background and initiating factors, initiating factors, intermediate factors, immediate factors,...

Ngày tải lên: 19/06/2014, 11:20

... group and are designated as FED (fire and explosion disasters) There are disasters occurring in the industrial plants and warehouses, manufacturing processes working with petrol and gas, hotels and ... chemical production, plastics and rubber, production of energy and its distribution, food industry and beverages The questionnaire assessment brought conclusions and lessons necessary for a partial ... failures, and assessing the probabilities and their consequences Expressing the risk should always comply with the mathematical formulation and represents a product of the probability and consequences...

Ngày tải lên: 19/06/2014, 11:20

... Usability, Human Factors, and Safety 262 10.7 Material Handling 264 10.8 Product Safety, Liability, and Design 265 10.8.1 Product Liability Law 267 Chapter 11 Product and ... product’s design and operating characteristics meet both customer expectations and established standards, which includes regulatory, environmental, and safety standards, that is, secure and hazard-free ... additional criteria: reliability, environment, human factors, and safety Generate engineering drawings, perform detailed analyses, build and test prototypes, and ‘optimize’ design Perform cost analysis...

Ngày tải lên: 01/04/2014, 11:39

... a higher standard deviation of return So, which investment is preferable depends on the amount of risk one is willing to tolerate This is a complicated issue and depends on numerous factors, one ... in the portfolio], the standard deviation of each share is 0.40, and the correlation between pairs is 0.30 Thus, for each portfolio, the diagonal terms are the same, and the off-diagonal terms ... a fully diversified portfolio, the standard deviation of portfolio return is equal to the portfolio beta times the market portfolio standard deviation: Standard deviation = × 20% = 40% c By definition,...

Ngày tải lên: 14/08/2014, 11:20

... still commands more money than a mouse The difference is between “natural value” and “economic value.” Economic value, Aquinas held, was based on demand Demand, as cited by both Albert and Aquinas, ... Kover, Sandra Rothenberger, and Richard Schmiesing, as well as my daughter-in-law, Rachel Maxwell, and her mother, Janet Robertson In addition, I have been very fortunate to have the creativity and ... dark, and they rebelled Again, as with gasoline and mobile phones, the revolt was quiet and steady Finally, at least one airline responded Delta reduced its fare choices to just eight and eliminated...

Ngày tải lên: 01/11/2014, 17:44

... four bands Bands reflected the level of hierarchy in the compensation system The employee’s band was used as a control variable in all subsequent analyses in the paper Analyses Like Kahn and Sherer ... 2003 21 performance and merit pay percent, from table 2, is 61) Thus, this apparent contradiction between our results and those of Kahn and Sherer (1990) actually support and strengthens one ... tenure/performance, and age/ performance relationships Journal of Management, 29: 609-640 Sturman, M.C (2007) The past, present, and future of dynamic performance research Research in Personnel and Human Resource...

Ngày tải lên: 11/09/2013, 11:44

... your mouth and teeth caused you any difficulty in: a b c d e f g h Eating and enjoying food Speaking and pronouncing clearly Cleaning teeth Sleeping and relaxing Smiling, laughing and showing ... urban and 55.1% in rural) followed by cleaning teeth (18.2% in urban and 30.6% in rural), emotional stability (17.4% in urban and 30.4% in rural) and sleeping/relaxing (12.1% in urban and 27.0% ... different settings, and distinction between disability and handicap A critique of papers on the application of the International Classification of Impairments, Disabilities, and Handicaps Int Disabil...

Ngày tải lên: 20/06/2014, 15:20

... Maydew and Weiss, 1997; Francis and Schipper, 1996) Francis and Schipper and Collins, Maydew and Weiss document a shift over the past 40-43 years in value relevance from earnings to book values and ... amounts and types o f voluntary disclosures they make differ (see, e.g., Frankel, Johnson and Skinner, 1999; Bamberand Cheon, 1998; Harris, 1998; Frankel, McNichols and Wilson, 1995; Clarkson, Kao and ... (Philbrick and Ricks, 1991) Following Myers (1999) and Frankel and Lee (1998) the discount rate (r) is allowed to vary over time and by industry Firms are assigned to each industry based on SIC code and...

Ngày tải lên: 30/09/2015, 16:44