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Radiators
A radiator is a heating device that consists of a series of pipes where steam or fluid circulates. There are different types of radiators, namely hot water, steam, fan-assisted, under-floor heating, and electric baseboard.
2,371 Questions
Why does the water in a car radiator sometimes boils explosivebly when the radiator cap is removed?
Water boils at 212F at Sea level pressure, 14.5 psi or so. If the pressure is increased, so is the boiling point. This is how a pressure cooker cooks with water at up to 500 degrees, and how a nuclear reactor can heat water to almost 3000 degrees, without boiling. Also, water will boil at room temperature or less, if you reduce the pressure, such as applying a vacuum pump to the container. When you open that radiator cap, it causes a drastic change in pressure, a drop. If the water is only warm, just under 200F, say, it will likely just boil violently. If it is above the normal boiling point, that pressure was all that was keeping it liquid. This violent change from liquid to gas is known as flashing. It changes states of matter, and releases a huge and violent amount of energy. This flash is what turns the turbines in power plants, by the way.
What is the definition of radiator?
Radiation is defined as the process by which energy is emitted from a source and propagated through the surrounding medium, or the energy involved in this process.
Radiation is energy sent out as electromagnetic waves.
The flow of energy in the form of rays or waves, which does not need a material medium to transfer heat /\
Radiation (ionizing) - fast, high energy sub-atomic particles which, when they hit matter, knock electrons off atoms and break apart molecules.
For example (see related link):
- Emission and propagation and emission of energy in the form of rays or waves.
- Energy radiated or transmitted as rays, waves, in the form of particles.
- A stream of particles or electromagnetic waves emitted by the atoms and molecules of a radioactive substance as a result of nuclear decay.
Radiators are commonly made of metal, with aluminum and copper being popular choices due to their excellent thermal conductivity. Steel is also used for some radiators due to its durability and affordability. Plastic components may also be present in modern radiators for certain functionalities.
How would get an air bubble out of the radiator?
Don't worry about it, just close the lid and the automatic filler will prime it eventually.
Most newer cars are self-purging. Keep coolant in the overflow tank and it will 'burp' out the extra air once the engine comes up to temperature. When it cools, the system will suck coolant out of the overflow tank to make up for the air that got 'burped' out. You'll know it is working because the coolant level in the overflow tank will drop.
What is meant by reverse flushing a cooling system?
Reverse flushing a cooling system involves using a specialized tool to force coolant through the system in the opposite direction of normal flow. This helps to dislodge blockages, debris, or contaminants that may be restricting the flow of coolant and affecting the cooling efficiency of the system. It is a maintenance procedure used to clean out the system and improve its performance.
What type of metal is a radiator made from?
Radiator cores are typically made from aluminum and brass. Aluminum is used for the tubes and fins, while brass is used for the header and tanks. Aluminum is chosen for its lightweight and heat transfer properties, while brass is chosen for its corrosion resistance and durability.
Does a radiator make heat like a heater?
A radiator does not produce heat, but rather transfers heat from hot water or steam circulating through it into the surrounding space. In contrast, a heater generates heat using electricity or another fuel source to warm the air directly.
What would cause a freeze plug to blow out?
Pressure in the motor building up, using straight water instead of anti freeze, or having a blown head gasket or cracked head would cause a freeze plug to blow out. Better take it to a mechanic and have them look at it.
What will happen when radiator has a crack?
When a radiator has a crack, it can lead to coolant leakage. This can cause the engine to overheat, leading to potential damage if not addressed promptly. It is important to repair or replace the radiator to prevent further issues with the vehicle's cooling system.
Why is Water Boiling in radiator?
Water may boil in a radiator due to high engine temperatures, low coolant levels, a faulty thermostat, or a malfunctioning radiator cap. When the cooling system is unable to regulate the engine temperature effectively, the water in the radiator can reach its boiling point and create steam. It is important to address this issue promptly to prevent engine damage.
Why is your radiator leaking water?
A radiator can leak water due to a cracked or corroded radiator, loose connections, a faulty radiator cap, or overheating causing pressure buildup. It is important to identify the cause of the leak and address it promptly to avoid damaging the engine or causing overheating.
Cause of water boiling in radiater?
Water boiling in a radiator can be caused by a variety of issues, such as low coolant levels, a malfunctioning thermostat, air trapped in the cooling system, or a faulty radiator cap. These issues can lead to overheating and potential damage to the engine if not addressed promptly. It is important to diagnose and fix the underlying problem to prevent further damage to the vehicle.
What the psi in your radiator?
PSI stands for pounds per square inch, which is a unit of pressure. The typical pressure range for a radiator system is between 12-18 psi when the engine is cold. It is important to check and maintain proper pressure to ensure optimal cooling efficiency and prevent overheating.
What causes backpressure in radiator when cold and cap removed?
Backpressure in a radiator when cold and the cap is removed can be caused by trapped air bubbles in the cooling system. When the engine is running, the coolant expands and can create pressure in the system, pushing air bubbles to the highest points like the radiator. When the system cools down, the trapped air can create backpressure in the radiator.
Radiation is bad for us because most of the types of electromagnetic radiations are high in energy. This high energy waves can cause damage to our cells. Prolonged exposure to gamma rays can be bad for health.
Air bubbles in the radiator with the cap off during a cylinder leakage test indicate a leaking head gasket or cracked cylinder head. This allows combustion gases to escape into the cooling system, creating air bubbles. It is a sign of a serious issue that requires immediate attention to prevent further damage to the engine.
The reason that radiators are white is unknown because black absorbs and emits heat a whole lot better than white does, mostly because all that the colour white does is reflect infrared heat rays!
If you wish to object to my theory go aheadInfrared? Manufacturers choice for color coding engine. White is usually aluminum. Less corrosive less weight.Why does the radiator get hot at the top but not the bottom?
The hot water that enters the radiator rises to the top as it is lighter and less dense than the cooler water at the bottom. This creates a temperature difference between the top and bottom of the radiator. Heat is transferred from the hot water to the radiator fins, which in turn heats the surrounding air.
Why should radiators be black?
radiators should be black because black not only absorbs heat, it also gives out a lot of heat as well.
If you think this is wrong or I have no proof please see the question
how do you make an experiment up of "looking at heat absorbsion and reflection"
The wall above the radiator is often dirty with dust from floor How does the dust get there?
dont know really!!!!
but i think the warm currents 'pick' the dust from the floor then as the hot air rises the dust rises too and eventually settles on top of your radiator.
Why does water blows out the radiator?
If water is blowing out of your radiator, then chances are you have a blown head gasket, cracked head, or warped head. Any of these will create a breach in your cooling system and allow combustion gases from the cylinders to enter the cooling system. This will iterally blow your coolant out of the radiator. The only way to fix this is to fix the breach in your cooling system by replacing the head gasket or the head. If the head is warped, it may be possible to straighten and/or resurface it.
Does an intercooler replace a radiator?
No, an intercooler does not replace a radiator. While both help cool air or fluid in a vehicle, they serve different purposes. The intercooler cools compressed air from the turbocharger or supercharger before it enters the engine, while the radiator cools the engine coolant to prevent overheating.
Why does the water in a car radiator sometimes boil explosevly when the radiator cap is removed?
When the radiator cap is removed, the pressure inside the radiator is released suddenly, causing the water to boil explosively due to the rapid decrease in pressure. The water in the radiator is under pressure to raise its boiling point, and when that pressure is suddenly relieved, the water can boil and turn to steam very quickly, leading to an explosive release of steam and hot water.
Why isn't the Radiator not getting hot?
THAT MEANS THE RADIATOR IS GETTING HOT, Probably you mean Why isn't the radiator getting hot. could be becaused the thermostat isn't opening or the house to the radiator is disconnected or there is no coolant in the radiator,
