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Does hot air go up or down?
Hot air rises because it is less dense than cooler air. As the hot air expands, it becomes less dense and is pushed up by the denser, cooler air surrounding it. This creates convection currents, with hot air rising and cooler air sinking.
Why is it better to launch a hot air balloon on a cold day?
it is better ot launch a hot air balloon on a cold day than on a warm day because the air rises in the atmosphere therefore if you were to go for a cold day you would go very high but if you were to go a ride on a hot day the hot air balloon wont go as high as on the cold day .
What helps a hot air balloon go higher?
A hot air balloon goes higher by increasing the temperature of the air inside the balloon. When the air inside the balloon is heated, it becomes less dense than the surrounding air, allowing the balloon to rise. Pilots can control the altitude by adjusting the heat to maintain the desired height.
How does a hot air balloon go down?
A hot air balloon can descend by either releasing hot air from the balloon envelope or by opening a vent at the top of the balloon to allow some of the hot air to escape. This reduces the buoyant force that is keeping the balloon in the air, causing it to descend slowly. The pilot can control the descent rate by carefully managing the release of hot air.
Why does a hot air balloon only go up when it is hot air?
Hot air is less dense then the surrounding air, meaning it's lighter then regular air, allowing it to naturally lift. If something catches that lifting air, and the air is so light that it can lift the required weight up, then it will lift. That's why a hot air balloon requires hot air to lift.
Why does smoke from a fireplace go up the chimney instead of out into the living room?
Smoke rises because it is hotter and less dense than the air around it. The chimney is designed to create a draft that pulls the smoke up and out of the fireplace, preventing it from flowing back into the room. This draft is created by the temperature difference between the inside and outside of the chimney.
What goes up a chimney down but won't go down the chimney up?
Smoke can go either up or down a chimney. In order for smoke to go up a chimney, or draw correctly, there must be replacement air coming into the fireplace from the room, and therefore replacement air must be coming into the room. If there isn't any replacement air, the air pressure in the room will drop, and if the air pressure gets below that of the outside air at the top of the chimney, the smoke will be drawn to the lower pressure area of the room, down the chimney.
Why does smoke rise up a chimney?
Hot air rises, just as cold air lays low (sinks) to the ground. When a fire ensues, smoke (the product of carbon combustion) rises with the hot air. Chimney design is what keeps smoke from just going anywhere around a fireplace. A chimney uses the principles of rising hot air and acts as funnel. A chimney's flue (the device which controls the amount of air drawn up the chimney) affects the funnel effect dramatically. As hot air rises up the chimney, the fire consumes more oxygen in the room where the fireplace is, creating a vacuum effect, which in turn feeds the flame with even more oxygen faster. It is the combination hot air rising and subsequent vacuum effect in the room below which ensures that smoke from a fireplace fire will go up a chimney. ithout the control of the chimney flue, this effect could quickly lead to a fireplace fire getting too hot for the fireplace to handle. This effect can also be extremely dangerous in a house fire or a building fire in which there are drop ceilings. Some natural building areas, such as stairwells, act as natural chimneys. In office buildings with drop ceilings, it is against fire codes to have any drop ceiling tiles removed, as this can cause a chimney effect if a fire were to break out. Remember since a chimney effect leads to oxygen been fed to a fire at faster rates, the fire can quickly accelerate and consume an area.
What goes up the chimney when down but can't go down the chimney when up?
Smoke
What goes up the chimney when down but can't go down the chimney up?
Smoke
What is it called when hot smoke gases up and go to the chimmeny?
This process is called "flue gas exhaust," where hot smoke gases from a fire or combustion process are directed up a chimney or flue to be released into the atmosphere.
What can go up a chimney down?
umbrella
What goes up a chimney but cant go Down?
smoke
Smoke and hot gases tend to go downwards?
Smoke and hot gases tend to go upwards.
How does air help a hot air balloon fly?
Well the simple and rather obvious answer is that you need air before you can get hot air. To go a little more complex, when you heat air it becomes less dense and therefore lighter, so it rises. That's why air goes up the chimney. Put the hot air in a balloon, the balloon goes up too...........
Why does smoke go up?
Smoke rises because it is less dense than the surrounding air. When something burns, it releases hot gases that are lighter than the cooler air around them. This causes the smoke to rise upwards, following the path of least resistance.
When you smok dose the smok go up or down?
"Smoke", strictly speaking, consists of particles of ash carried on the hot air from burning. Since hot air is less dense than cold air, it rises as it is displaced by the heavier cold air.
