Sentences with phrase «used as a coolant»

«Often the effluent from metal processing was a combination of the metals themselves and the mineral oils used as coolants and lubricants in the machinery,» says Phil Crowcroft, of the environmental consultancy Aspinwall, which is managing the project.
Enriched uranium oxide is formed into rods and water is used both as a coolant, flowing through the reactor core to transfer heat away, and as a moderator, slowing down neutrons released by fission so that they promote further nuclear reactions.
The fuel is enriched uranium oxide, and water is used both as a coolant and as a moderator.
They have been widely used as coolant fluids in many electrical products.
Instead of water, liquid sodium is typically used as a coolant because the sodium atoms are so much larger and heavier than neutrons that when they collide the neutrons simply ricochet off the sodium atom - much a like a small bullet ricocheting off a thick plate metal.
This is why normal water is used as a coolant in most thermal neutron reactors.
When water used as a coolant is returned to the natural environment at a higher temperature, the change in temperature impacts organisms by (a) decreasing oxygen supply, and (b) affecting ecosystem composition.
In the mid-1900s, scientists realized that compounds being used as coolants in refrigerators and air conditioners and as a propellant in foams — called chlorofluorocarbons (CFCs)-- were also destroying the ozone layer.
In some engines, especially for turbine engine blade cooling and liquid rocket engine cooling, fuel is used as a coolant, as it is simultaneously preheated before injecting it into a combustion chamber.
Boiling - water reactor (BWR): A light - water reactor in which water, used as both coolant and moderator, is allowed to boil in the core.
«Surface temperatures on products the researchers received ranged from minus 23 degrees for items packed in dry ice to 75 degrees, often when gel packs were used as the coolant.

Not exact matches

Regulators accused Trader Joe's of failing to promptly fix leaks of R - 22, which is used as a refrigerator coolant but also depletes the ozone and has 1,800 times more global warming potential than carbon dioxide.
Judges at the Scovies are provided with several different, thick coolants, such as yogurt and ice cream — the same cooling agents that members of the public should use when tasting fiery foods.
There are some 50 modular designs being developed globally, and while many are traditional light water reactors, which use water to cool the reactor core, others gain efficiency by using coolants such as gas, which allow reactors to reach higher temperatures.
Hence, engineers typically use a liquid metal such as sodium as a coolant and heat transporter.
Thermoelectric cooling is a solid - state refrigeration process where the heat in an electrically conductive material is transferred using the material's own conduction electrons without any need for the gaseous coolants, such as chlorofluorocarbons, that are used in conventional refrigeration.
Conventional cooling systems use coolants that can be environmentally problematic as well.
Then there is the question mark over the use of highly reactive sodium as the coolant.
PHWRs are similar to PWRs, but use raw uranium rather than enriched uranium oxide as fuel, and deploy heavy water — in which hydrogen is replaced by deuterium — as both moderator and coolant.
PCBs were used previously in for example coolants and electronic devices, while insecticides such as DDT are probably still in use in the area.
GE Hitachi Nuclear Energy is developing the Power Reactor Innovative Small Modular (PRISM) reactor, which uses liquid sodium as a coolant.
Unlike the current generation of light - water nuclear reactors, PRISM uses metallic fuel, such as an alloy of zirconium, uranium, and plutonium, and PRISM's fuel rods sit in a bath of a liquid metal — sodium — at atmospheric pressure, which ensures that the transfer of heat from the metal fuel to the liquid sodium coolant is extremely efficient.
A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers.
Molten salt reactors use fuel dissolved in a molten fluoride or chloride salt which functions as both the fuel (producing the heat) and the coolant (transporting the heat away and ultimately to the power plant).
«What it does is it takes different sorts of fuel materials such as plutonium or used nuclear fuel, it casts that into a metallic fuel, it puts it in a reactor that has liquid sodium as a coolant — and if you have liquid sodium as a coolant then the energies of the neutrons are higher so you can use a different fuel source.
I know that engine coolant is a fluid in the engine used to dissipate heat spots and keep the engine cool in general as the moving parts generate heat.
For example, why couldn't brake fluid be used for transmissions or vice versa or power steering fluid as brake fluid etc with the exception of coolant Aren't they all a form of oil that isn't...
This tag is for questions about engine cooling device used to cool engine coolant as it flows through.
Because water has good properties as a coolant, antifreeze is used in internal combustion engines and other heat transfer applications, such as HVAC chillers and solar water heaters.
The other design uses a coolant bottle as in process reservoir.
As an example - my «BMW blue» coolant became green after using UV dye.
Use the correct coolant for the application - such as a anti-corrosive anti-freeze product designed for aluminium engines if your engine has an aluminium block and you operate in an environment where frost protection is necessary.
Driver Information Center, with programmable personalization features such as door locking and unlocking, a trip computer that contains trip odometer and individual tire pressure readouts, fuel information such as range, average mpg, gallons used and oil life and a message center that displays dozens of system messages such as low fuel, door ajar, security, seat belt reminder, low coolant and oil pressure low
In various combinations specific to each model, EfficientDynamics technologies such as Brake Energy Regeneration, on - demand control of ancillaries such as the coolant pump, the fuel pump and the a / c compressor, as well as active air flap control and tires with minimum rolling resistance will be used.
As you may know, the heater core is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then uses this warm coolant...
When you turn the climate controls to heat the inside of the car, coolant is diverted to the heater core to use the heat in the coolant to warm the air as it passes over.
Your coolant sensor is a very critical component to your vehicle as it is responsible for relaying the coolant temperature to the computer which uses this information for many different things such as controlling the cooling system and the enrichment...
Examples include the demand - controlled coolant pump, the map - controlled oil pump as well as electromechanical power steering, whose electric motor only uses energy when power steering is required.
To do this, the IS F has an oil cooler that uses the engine coolant as a major means of cooling the lubricant and preventing oil deterioration.
This is commonly used in vehicles to keep the engine from freezing and acts as a coolant during hot temps.
Industrial grade PG is used as an active ingredient in engine coolants and antifreeze; airplane de-icers; polyurethane cushions; paints, enamels and varnishes; and in many products as a solvent or surfactant.
Ethylene glycol is a sweet tasting liquid used in automobiles as a coolant, antifreeze, or windshield de-icing agent.
One plant in Colorado, now permanently shut down, used helium gas as a coolant (called a High Temperature Gas Cooled Reactor).
Many factories, including many nuclear reactors, use natural water sources as coolants.
Because fossil fuel - burning power plants use water to turn into steam to drive turbines, and as coolant, the standards save water.
Install coolants materials such as FREON, using pressure gauges, ensuring all CFC environmental standards are maintained.
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