Read More
Date: 25-4-2017
2491
Date: 24-5-2016
3833
Date: 11-4-2017
1802
|
Reactor Power Calculation
Multiplying the reaction rate per unit volume by the total volume of the core results in the total number of reactions occurring in the core per unit time. If the amount of energy involved in each reaction were known, it would be possible to determine the rate of energy release (power) due to a certain reaction.
In a reactor where the average energy per fission is 200 MeV, it is possible to determine the number of fissions per second that are necessary to produce one watt of power using the following conversion factors.
1 fission = 200 MeV
1 MeV = 1.602 x 10-6 ergs
1 erg = 1 x 10-7 watt-sec
This is equivalent to stating that 3.12 x 1010 fissions release 1 watt-second of energy.
Multiplying the reaction rate by the volume of the reactor results in the total fission rate for the entire reactor. Dividing by the number of fissions per watt-sec results in the power released by fission in the reactor in units of watts. This relationship is shown mathematically in Equation (1-1) below.
(1-1)
where:
P = power (watts)
Φth = thermal neutron flux (neutrons/cm2 -sec)
Σf = macroscopic cross section for fission (cm-1 )
V = volume of core (cm3)
|
|
حمية العقل.. نظام صحي لإطالة شباب دماغك
|
|
|
|
|
إيرباص تكشف عن نموذج تجريبي من نصف طائرة ونصف هليكوبتر
|
|
|
|
بمشاركة 60 ألف طالب.. المجمع العلمي يستعدّ لإطلاق مشروع الدورات القرآنية الصيفية
|
|
صدور العدد الـ 33 من مجلة (الاستغراب) المحكمة
|
|
المجمع العلمي ينظّم ورشة تطويرية لأساتذة الدورات القرآنية في كربلاء
|
|
شعبة التوجيه الديني النسوي تختتم دورتها الثانية لتعليم مناسك الحجّ
|