Search results
Results from the WOW.Com Content Network
Transient testing focuses upon testing nuclear fuel under accident conditions. TREAT is one of the most capable and flexible transient test reactors in the world. Following the accident at the Fukushima-Daiichi Power Plant in Japan 11 years ago, Congress directed the DOE to develop reactor fuels that could better withstand accident conditions.
KS 150 is a heavy water moderated, gas cooled reactor (HWGCR) able to refuel during operation. Seventy metal uranium wires, each clad in a compound of magnesium and beryllium, are bundled together to form a fuel rod.
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).
The five criteria for ECCS are to prevent peak fuel cladding temperature from exceeding 2200 °F (1204 °C), prevent more than 17% oxidation of the fuel cladding, prevent more than 1% of the maximum theoretical hydrogen generation due the zircalloy metal-water reaction, maintain a coolable geometry, and allow for long-term cooling.
The fuel cladding is the first layer of protection around the nuclear fuel and is designed to protect the fuel from corrosion that would spread fuel material throughout the reactor coolant circuit. In most reactors it takes the form of a sealed metallic or ceramic layer.
The fire pits that require users to pour isopropyl rubbing alcohol or another liquid fuel into an open container and then ignite at the same spot are considered "extremely dangerous," according to ...
According to one paper [1] the following difference between the cladding failure mode of unused and used fuel was seen. Unirradiated fuel rods were pressurized before being placed in a special reactor at the Japanese Nuclear Safety Research Reactor (NSRR) where they were subjected to a simulated RIA transient. These rods failed after ballooning ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!