Passive nuclear safety (original) (raw)
الأمان النووي السلبي هو أسلوب تصميم لخصائص السلامة ويتم تنفيذه في مفاعل نووي ولا يتطلب أي تدخل نشط من جانب المشغل من أجل إحضار المفاعل إلى حالة إيقاف تشغيل آمنة في حالة لنوع معين من حالات الطوارئ (عادة ما يكون ارتفاع درجة الحرارة ناتج عن فقدان سائل التبريد أو فقد تدفق سائل التبريد).
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| dbo:abstract | الأمان النووي السلبي هو أسلوب تصميم لخصائص السلامة ويتم تنفيذه في مفاعل نووي ولا يتطلب أي تدخل نشط من جانب المشغل من أجل إحضار المفاعل إلى حالة إيقاف تشغيل آمنة في حالة لنوع معين من حالات الطوارئ (عادة ما يكون ارتفاع درجة الحرارة ناتج عن فقدان سائل التبريد أو فقد تدفق سائل التبريد). (ar) Seguridad nuclear pasiva es una característica de seguridad de un reactor nuclear que no requiere acciones de un operador o retroalimentación electrónica para apagar en forma segura un reactor nuclear en el caso de que un tipo particular de emergencia (usualmente sobrecalentamiento por resultado de una pérdida de refrigerante o un corte del flujo de refrigeración) ocurra. Tal tipo de reactores tienden a confiar más en la ingeniera de componentes diseñados de tal forma que el comportamiento pronosticado de acuerdo a las leyes conocidas de la física desacelerarán, más que acelerar, la reacción nuclear cuando se dé un incidente del tipo mencionado anteriormente. Esto es en contraste de algunos diseños de reactor más antiguos, donde la tendencia natural es hacia la aceleración de la reacción nuclear como resultado del incremento de la temperatura, de tal forma que se requería una retroalimentación electrónica o la intervención de un operador para prevenir el daño al reactor. (es) Passive nuclear safety is a design approach for safety features, implemented in a nuclear reactor, that does not require any active intervention on the part of the operator or electrical/electronic feedback in order to bring the reactor to a safe shutdown state, in the event of a particular type of emergency (usually overheating resulting from a loss of coolant or loss of coolant flow). Such design features tend to rely on the engineering of components such that their predicted behaviour would slow down, rather than accelerate the deterioration of the reactor state; they typically take advantage of natural forces or phenomena such as gravity, buoyancy, pressure differences, conduction or natural heat convection to accomplish safety functions without requiring an active power source. Many older common reactor designs use passive safety systems to a limited extent, rather, relying on active safety systems such as diesel powered motors. Some newer reactor designs feature more passive systems; the motivation being that they are highly reliable and reduce the cost associated with the installation and maintenance of systems that would otherwise require multiple trains of equipment and redundant safety class power supplies in order to achieve the same level of reliability. However, weak driving forces that power many passive safety features can pose significant challenges to effectiveness of a passive system, particularly in the short term following an accident. (en) |
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| rdfs:comment | الأمان النووي السلبي هو أسلوب تصميم لخصائص السلامة ويتم تنفيذه في مفاعل نووي ولا يتطلب أي تدخل نشط من جانب المشغل من أجل إحضار المفاعل إلى حالة إيقاف تشغيل آمنة في حالة لنوع معين من حالات الطوارئ (عادة ما يكون ارتفاع درجة الحرارة ناتج عن فقدان سائل التبريد أو فقد تدفق سائل التبريد). (ar) Seguridad nuclear pasiva es una característica de seguridad de un reactor nuclear que no requiere acciones de un operador o retroalimentación electrónica para apagar en forma segura un reactor nuclear en el caso de que un tipo particular de emergencia (usualmente sobrecalentamiento por resultado de una pérdida de refrigerante o un corte del flujo de refrigeración) ocurra. Tal tipo de reactores tienden a confiar más en la ingeniera de componentes diseñados de tal forma que el comportamiento pronosticado de acuerdo a las leyes conocidas de la física desacelerarán, más que acelerar, la reacción nuclear cuando se dé un incidente del tipo mencionado anteriormente. Esto es en contraste de algunos diseños de reactor más antiguos, donde la tendencia natural es hacia la aceleración de la reacción n (es) Passive nuclear safety is a design approach for safety features, implemented in a nuclear reactor, that does not require any active intervention on the part of the operator or electrical/electronic feedback in order to bring the reactor to a safe shutdown state, in the event of a particular type of emergency (usually overheating resulting from a loss of coolant or loss of coolant flow). Such design features tend to rely on the engineering of components such that their predicted behaviour would slow down, rather than accelerate the deterioration of the reactor state; they typically take advantage of natural forces or phenomena such as gravity, buoyancy, pressure differences, conduction or natural heat convection to accomplish safety functions without requiring an active power source. Many o (en) |
| rdfs:label | سلامة نووية سلبية (ar) Seguridad nuclear pasiva (es) Passive nuclear safety (en) |
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