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- Void_coefficient abstract "In nuclear engineering, the void coefficient (more properly called \"void coefficient of reactivity\") is a number that can be used to estimate how much the reactivity of a nuclear reactor changes as voids (typically steam bubbles) form in the reactor moderator or coolant. Reactivity, in the nuclear engineering sense (not to be confused with chemical reactivity), measures the degree of change in neutron multiplication in a reactor core. Reactivity is directly related to the tendency of the reactor core to change power level: if reactivity is positive, the core power tends to increase; if it is negative, the core power tends to decrease; if it is zero, the core power tends to remain stable. The reactivity of the core may be adjusted by the reactor control system in order to obtain a desired power level change (or to keep the same power level). It can be compared to the reaction of an automobile as conditions around it change (for instance, wind intensity and direction or road slope), and therefore the corresponding counter-measure that the driver applies to maintain road speed or execute a desired manoeuvre.Reactivity is affected by many factors, including coolant/moderator temperature and density, fuel temperature and density, and structural temperature and density. Net reactivity in a reactor is the sum total of all these contributions, of which the void coefficient is but one. Reactors in which either the moderator or the coolant is a liquid typically will have a void coefficient value that is either negative (if the reactor is under-moderated) or positive (if the reactor is over-moderated). Reactors in which neither the moderator nor the coolant is a liquid (e.g., a graphite-moderated, gas-cooled reactor) will have a void coefficient value equal to zero.".
- Void_coefficient wikiPageExternalLink s.
- Void_coefficient wikiPageExternalLink t.
- Void_coefficient wikiPageExternalLink 19910101.pdf.
- Void_coefficient wikiPageID "1211053".
- Void_coefficient wikiPageLength "10038".
- Void_coefficient wikiPageOutDegree "48".
- Void_coefficient wikiPageRevisionID "595504379".
- Void_coefficient wikiPageWikiLink Advanced_gas-cooled_reactor.
- Void_coefficient wikiPageWikiLink Atomic_nucleus.
- Void_coefficient wikiPageWikiLink Boiling_water_reactor.
- Void_coefficient wikiPageWikiLink Breeder_reactor.
- Void_coefficient wikiPageWikiLink CANDU_reactor.
- Void_coefficient wikiPageWikiLink Category:Nuclear_safety.
- Void_coefficient wikiPageWikiLink Chain_reaction.
- Void_coefficient wikiPageWikiLink Chernobyl_disaster.
- Void_coefficient wikiPageWikiLink Coolant.
- Void_coefficient wikiPageWikiLink Density.
- Void_coefficient wikiPageWikiLink Heavy_water.
- Void_coefficient wikiPageWikiLink Lead.
- Void_coefficient wikiPageWikiLink Light-water_reactor.
- Void_coefficient wikiPageWikiLink Loss-of-coolant_accident.
- Void_coefficient wikiPageWikiLink Magnox.
- Void_coefficient wikiPageWikiLink Mercury_(element).
- Void_coefficient wikiPageWikiLink Metal.
- Void_coefficient wikiPageWikiLink NaK.
- Void_coefficient wikiPageWikiLink Neutron.
- Void_coefficient wikiPageWikiLink Neutron_moderator.
- Void_coefficient wikiPageWikiLink Neutron_temperature.
- Void_coefficient wikiPageWikiLink Nuclear_chain_reaction.
- Void_coefficient wikiPageWikiLink Nuclear_engineering.
- Void_coefficient wikiPageWikiLink Nuclear_fission.
- Void_coefficient wikiPageWikiLink Nuclear_physics.
- Void_coefficient wikiPageWikiLink Nuclear_reactor.
- Void_coefficient wikiPageWikiLink Pebble-bed_reactor.
- Void_coefficient wikiPageWikiLink Positive_feedback.
- Void_coefficient wikiPageWikiLink Pressurized_water_reactor.
- Void_coefficient wikiPageWikiLink RBMK.
- Void_coefficient wikiPageWikiLink Reactivity_(chemistry).
- Void_coefficient wikiPageWikiLink Sodium.
- Void_coefficient wikiPageWikiLink Temperature.
- Void_coefficient wikiPageWikiLink Uranium.
- Void_coefficient wikiPageWikiLinkText "Void coefficient".
- Void_coefficient wikiPageWikiLinkText "bubble formation".
- Void_coefficient wikiPageWikiLinkText "coolant void coefficient".
- Void_coefficient wikiPageWikiLinkText "coolant void reactivity coefficient".
- Void_coefficient wikiPageWikiLinkText "coolant void reactivity".
- Void_coefficient wikiPageWikiLinkText "density variations".
- Void_coefficient wikiPageWikiLinkText "effective void".
- Void_coefficient wikiPageWikiLinkText "forms bubbles".
- Void_coefficient wikiPageWikiLinkText "moderator temperature coefficient".
- Void_coefficient wikiPageWikiLinkText "negative void coefficient of reactivity".
- Void_coefficient wikiPageWikiLinkText "positive void coefficient".
- Void_coefficient wikiPageWikiLinkText "reactivity".
- Void_coefficient wikiPageWikiLinkText "slows the nuclear reaction down".
- Void_coefficient wikiPageWikiLinkText "steam voids".
- Void_coefficient wikiPageWikiLinkText "void coefficient".
- Void_coefficient wikiPageWikiLinkText "void reactivity".
- Void_coefficient wikiPageWikiLinkText "void".
- Void_coefficient wikiPageUsesTemplate Template:Reflist.
- Void_coefficient subject Category:Nuclear_safety.
- Void_coefficient hypernym Number.
- Void_coefficient comment "In nuclear engineering, the void coefficient (more properly called \"void coefficient of reactivity\") is a number that can be used to estimate how much the reactivity of a nuclear reactor changes as voids (typically steam bubbles) form in the reactor moderator or coolant. Reactivity, in the nuclear engineering sense (not to be confused with chemical reactivity), measures the degree of change in neutron multiplication in a reactor core.".
- Void_coefficient label "Void coefficient".
- Void_coefficient sameAs Q1158767.
- Void_coefficient sameAs معامل_الفجوات.
- Void_coefficient sameAs Dampfblasenkoeffizient.
- Void_coefficient sameAs Coefficient_modérateur.
- Void_coefficient sameAs Coefficiente_di_vuoto.
- Void_coefficient sameAs 反応度_(原子力).
- Void_coefficient sameAs Voidkoeffisient.
- Void_coefficient sameAs Współczynnik_reaktywności_przestrzeni_parowych.
- Void_coefficient sameAs m.04hmcc.
- Void_coefficient sameAs Паровой_коэффициент_реактивности.
- Void_coefficient sameAs Voidkoefficient.
- Void_coefficient sameAs Паровий_коефіцієнт_реактивності.
- Void_coefficient sameAs Q1158767.
- Void_coefficient sameAs 空泡係數.
- Void_coefficient wasDerivedFrom Void_coefficient?oldid=595504379.
- Void_coefficient isPrimaryTopicOf Void_coefficient.