«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.