Control rods are used in nuclear reactors to control the rate of fission of the nuclear fuel – uranium or plutonium. Their compositions include chemical...

large positive void coefficient, the 'positive scram effect' of the control rods and instability at low power levels—which contributed to the 1986 Chernobyl...

up rod or Rod in Wiktionary, the free dictionary. Look up ród, röd, rød, or roð in Wiktionary, the free dictionary. Rod, Ród, Rőd, Rød, Röd, ROD, or...

of control rods into the reactor core began. The control rod insertion mechanism moved the rods at 0.4 metres per second (1.3 ft/s), so that the rods took...

technical context. Scram is sometimes cited as being an acronym for safety control rod axe man or safety cut rope axe man. This was supposedly coined by Enrico...

(withdrawing or inserting) control rods is the normal method for controlling power when starting up a BWR. As control rods are withdrawn, neutron absorption...

scram" effect that was caused by the control rods' graphite tips that initially increased reactivity when control rods entered the core to try to reduce...

at 9:01 pm MST, an operator fully pulled out the reactor's central control rod, causing the reactor to go from fully shut down to prompt critical. The...

consistency, it consists of a mixture of nuclear fuel, fission products, control rods, structural materials from the affected parts of the reactor, products...

the control room, reporting damage. Dyatlov went to the backup control room, pressing the AZ-5 button there and disconnecting power to the control rod servodrives...

Hildred, Rod Stewart: The New Biography, p. 41. Gray, Rod Stewart: The Visual Documentary, p. 14. Nelson and Bangs, Rod Stewart, p. 61. Pidgeon, Rod Stewart...

reactors also have a flawed control rods design in which during rapid scrams, the graphite reaction enhancement tips of the rods would displace water at the...

on. This is known as a nuclear chain reaction. To control such a nuclear chain reaction, control rods containing neutron poisons and neutron moderators...

times been the ruler of the Negative Zone, controlling its inhabitants via his powerful Cosmic Control Rod. He first encountered the Fantastic Four after...

the reactor power level to be controlled via the gradual, mechanical movement of control rods. Typically, control rods contain neutron poisons (substances...

control rod into the pile and stop the reaction. Richard Fox, who made the control-rod mechanism for the pile, remarked that the manual speed control...

the main reasons for its power fluctuations in reaction to change of control rod positions. The buildup of short-lived fission products acting as nuclear...

has three banks of control rod drive mechanisms, the control/shutdown rods, the compensation/shutdown rods, and the transient rods. There are 4 drive...

nuclear plants have some form of reactor protection system. Control rods are a series of rods that can be quickly inserted into the reactor core to absorb...

said that the power decreased to 30 MW when switching between automatic rod control systems. This didn't mean any negative consequences. There are no units...

rise will be slow enough to be safely controlled with mechanical and intrinsic material properties (control rod movements, density of coolant, moderator...

heavy water reactors used in Canada. Control rods are usually combined into control rod assemblies — typically 20 rods for a commercial pressurized water...

start-up of the reactor was caused by the incorrect installation of the control rod electrical cables and by operator error. Radiation levels aboard the...

control rods may, in certain circumstances, accelerate rather than slow the reaction. He worked as a unit control engineer and senior reactor control...

24 control rods made from boron steel. Boron is a powerful neutron absorber; the steel was for strength. Twenty of these were coarse control rods and...

assembled into fuel rods. Reactivity is controlled by control rods that can be inserted into the reactor from above. These rods are made from a neutron...

neutron-absorbing material. Movable control rods containing neutron-absorbing material is one method, but control rods alone to balance the excess reactivity...

6912 m3/h. The control rod adjustment capabilities have been supplemented with the addition of an electro-hydraulic Fine Motion Control Rod Drive (FMCRD)...

watch change led to improper operation of the reactor and a reactor-control rod was bent. The damage required the reactor to be dismantled for repairs...

articulating joint. Such joints are used on the ends of control rods, steering links, tie rods, or anywhere a precision articulating joint is required...