Sentences with phrase «as the coolant in»

This is why normal water is used as a coolant in most thermal neutron reactors.
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.
As the coolant in the system heats up, it will have a tendency to create steam.
We do not run water as coolant in road vehicles due to the corrosion problems it can cause to the internal water passageways of the engine, and also due to issues with expansion, if the water were to freeze it can crack the engine block itself.

Not exact matches

For instance, he knew that dry ice — several pounds of which were also in the back seat — was the coolant of choice for ice cream transportation because it turned into a gas as it warmed up, meaning no messy puddles.
America's leading beverage companies have vowed voluntarily to eliminate hydrofluorocarbons — a common coolant and contributor to carbon emissions - as a refrigerant in company - controlled coolers, vending machines and fountain dispensers.
In fact, the license renewal process is limited, focusing on environmental effects, such as endangered species, the effects of cooling water systems on fish and ground water quality; and, physical plant safety, such as the long term maintenance of coolant system piping or steam generators, as well as motors, diesel generators, and batteries.
Hydrogen molecules aren't the best coolant, but they are good enough to enable giant gas clouds, millions of times as massive as the sun, to fall in on themselves.
Meanwhile, six AC manufacturers in India have already begun «leapfrogging» to hydrocarbon - based coolants such as R - 290 — refrigerant - grade propane — that have lower warming potential, says Anjali Jaiswal, the San Francisco, California - based director of the India Initiative at the Natural Resources Defense Council.
«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.
In addition, without water as a coolant, they do not produce explosive hydrogen gas when they overheat.
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.
In the case of the Olkiluoto 3 EPR, he notes that safety engineers designed a reactor with more pumps and valves to prevent the loss of any coolant, «but there wasn't as much effort into designing for construction,» which is driving the overruns.
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.
They have been widely used as coolant fluids in many electrical products.
It also had the unfortunate side effect of creating a rise in hydrofluorocarbons — a potent greenhouse gas — as alternative coolants.
PCBs were used previously in for example coolants and electronic devices, while insecticides such as DDT are probably still in use in the area.
Being the same weight as neutrons, conservation of momentum and energy tell us that a neutron striking a hydrogen atom can slow down all the way from super fast to zero in one collision (imagine a billiard ball striking a stationary one), so water coolant is very good at slowing fast neutrons down to thermal energies.
Tritium is produced primarily from neutron capture by B - 10 in PWRs; that B - 10 (in the form of boric acid) is added to reactor coolant systems as a soluble reactivity agent.
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.
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.
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.
This active ingredient is found in engine coolants and antifreeze, airplane de-icers, tire sealants, rubber cleaners, polyurethane cushions, paints, adhesives, enamels, and varnishes, and in many products as a solvent or surfactant.
In general, coolants degrade over time as the ethylene glycol breaks down into primarily glycolic and formic acids.
As in other AMG cars, the SLS offers performance - oriented in - dash readouts for coolant, engine - oil, and gearbox - oil temperatures; the stability control setting; and the most recent lap and trip times.
The coolant level sensor, for most cars, is usually in the coolant tank - sometimes as part of the cap sometimes as a separate unit.
Also things such as incoming air temperature, engine core temperature (coolant), and, valve size are all factors in maintaining cylinder pressure.
You do always want to keep some coolant in your system as it helps with corrosion and lubrication.
It would not be the water pump as in most every engine I've seen there isn't any oil passages going to it, just coolant.
Coolant going out via the tail pipe (leaking into a cylinder) may be noticeable as steam (white «smoke») or as a sweet smell in the exhaust.
(3) We'll see that coolant color changes such as engine oil in radiator if engine oil cooler cracked or gasket isn't good.
I have a problem with my malibu, I got a code on the obdii reader as though the coolant temperature reading is not correct, so in the car lcd on the instrument cluster I can see Coolant temperaturcoolant temperature reading is not correct, so in the car lcd on the instrument cluster I can see Coolant temperaturCoolant temperature: -...
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.
If the problem is air in the system, one way to get it out (given the lack of a bleed screw) would be to open the highest joint in the system and then pour coolant into the hose until it is as full as you can get it.
I have just recently changed the radiator in my vehicle upon changing noticed smoke coming out of the coolant resivour as I added water into the resivour it was getting oil into the coolant system.
In case I am not able to locate these two bolts, Is that a strictly necessary step since hopefully as water runs through the system the engine block coolant should be pushed out by the water eventually correct?
Air pocket in the system, as a result of a leak or coolant system service.
Sometimes catastrophic head failures don't contaminate the oil (which does indeed produce a frothy substance as you describe); the head could be cracked from the outside into a coolant passage, or, rarely and usually only in poorly manufactured or improperly installed gaskets, the head gasket can blow outward from a coolant passage.
I'm a tech for Vw and I do really like working on them but their are days were things go wrong just last week I had a tdi passat in losing coolant pressure tested system no external leak found tpi regarding cylinder head issue removed inlet manifold and pressure tested no luck I assumed it was the egr cooler as I eliminated dsg cooler and oil cooler.
The heater core is the last thing in the system getting coolant as it sits the highest.
As long as you can still see something in the coolant reservoir, you probably didn't cause any permanent damagAs long as you can still see something in the coolant reservoir, you probably didn't cause any permanent damagas you can still see something in the coolant reservoir, you probably didn't cause any permanent damage.
I'm not familiar with the plumbing in this particular cooling system, but it is definitely normal for the fan to kick on after you turn off the car to continue pulling air through the radiator to help cool the coolant, but usually only when the outside temperatures are hot, as you mentioned.
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.
Given that this happened while sitting in traffic and went away as soon as you got up to speed, I believe the issue is your radiator fan (s) Since you boiled over, check your coolant when the engine has cooled down.
I have a problem my 2.5 Vw beetle is leaking coolant but not seeing on garage floor car is 2009 I am wondering if coolant cools the intake in anyway as my first thought is head gasket.
Typically coolants are not as efficient as plain water at taking heat away from the hot parts of the engine and loosing that heat in the radiator.
It seems to be working (after I press the AC button there is a «click» coming out of the compressor, along with clearly noticeable change in engine sound (slight RPM increse)-RRB-, but it behaves as if there is no coolant in the system.
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.
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