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Castle walls were not intended to store heat. Part of the problem of castles was that most of the rooms in them were not heated at all, and in most castles the parts that were heated needed open windows or louvers in the roof to let the smoke out because they did not have chimneys. When people say they were cold and drafty, they are telling the truth.
Stone also conducts heat pretty efficiently, so even in modern times, with windows and heaters that do not give off smoke into rooms, they tend to feel cold.
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Why were woolen tapestries hung on the walls in medieval times?
Tapestries are a form of artwork, and were used to decorated the walls. Tapestries also made the walls seem warmer in large rooms, where the walls were usually made of stone, because they insulated the people in the stone, which conducts heat rather well and was often very cold in the winter.
Why was the castles cold dark and damp?
castles were made of stone, stone is a very efficient way to keep heat out. so castles were often very cold. especially in winter. the dampness also has to do with the stones. the stones make the castle more damp ----- Most rooms in castles were unheated, and many times the windows were unglazed. The heated rooms in the castles had large vents for ventilation, and so the wind could blow through. Chimneys were not invented until the 12th century, and so there were no fireplaces in most rooms. Instead, there were great halls that were heated by fires on hearths or braziers placed more or less in the middles of the rooms. The smoke rose to the roof and was ducted out through a large hole in the roof, usually covered by a thing called a louver to keep rain out, or through window like holes high in the walls under the roof peaks. The great hall usually had a number of partitions in it, dividing it up into such things as living quarters and offices. There was a sort of thing called a smoke canopy, which gathered smoke to be ducted outside through a hole in the wall. This allowed a fire in a room smaller than a great hall. While there are many pictures of these in medieval kitchens, I have never seen a picture of one in a room other than a kitchen, and would guess that such use was rather uncommon. As to the reason castles were dark, their use for defense required very narrow windows to protect people in the castle from arrows. Also the windows were in walls so thick the area they lighted was often mostly just the window sill.
In ancient rome what was a hypocaust?
A hypocaust was the Roman heating system. There were hollow channels in the floors or walls of a house/building which allowed the heat from a furnace to flow through the house. Our present day central heating systems are based upon the same principles but with modern heat ducts and refinements.
What are the good and bad things about stone keep castles?
GOOD-They were good because the were highly protective and strong. BAD-People could dig under the castle,make a fire-Therefore the stones would heat up and crack, making it easier for the enemy to attack and brake the stone wall.
How did oil form in the Middle East?
Petroleum accrued in the Middle East in the same way it accrued in the Caspian Basin and North Venezuela. Adjacent seas were covered by shallow oceans. Over a period of millions of years the remains of marine animals and plants fell to the sea floor, they accumulated into thick layers and eventually were covered by layers of sand and silt. Over time, the immense weight of all of these layers compressed the lower layers into sedimentary rock. Bacterial actions, heat, and pressure converted the remains of the animals and plants into petroleum. The Arab States conveniently sit atop it.
Why did castles turn into a burden?
Castles are difficult to heat and cool, maintain, protect,and pay taxes on.
Do castles catch on fire fast?
Castles can catch fire quickly, especially if they are made of wood or contain flammable materials. The presence of thatched roofs, wooden beams, and furnishings can accelerate the spread of flames. Additionally, castles often have narrow corridors and enclosed spaces that can trap heat and smoke, making fires more dangerous. However, many castles also have stone walls and features that can slow down the spread of fire compared to modern buildings.
How does cavity wall insulation reduce heat-loss?
Most outside walls have an empty space between the 2 layers of bricks called a cavity . This reduces heat loss by conduction through the bricks. Heat energy reaches the interior wall The heat energy is conducted through the wall The air cavity between the two walls in a cavity wall acts as an insulator and reduces heat loss by conduction
How does newspaper prevent heat loss?
Newspaper can help prevent heat loss when used as insulation. The air pockets within the layers of newspaper trap heat and create a barrier, reducing the transfer of heat through conduction and convection. Wrapping objects or lining walls with newspaper can help retain heat and improve thermal efficiency.
How does cavity wall insulation reduce heat loss?
Most outside walls have an empty space between the 2 layers of bricks called a cavity . This reduces heat loss by conduction through the bricks. Heat energy reaches the interior wall The heat energy is conducted through the wall The air cavity between the two walls in a cavity wall acts as an insulator and reduces heat loss by conduction
How does an air cavity between walls reduce the heat transfer from a house?
An air cavity acts as an insulator and reduces heat transfer by creating a barrier between the inner and outer walls. Air is a poor conductor of heat, so the air cavity helps to prevent direct heat transfer between the walls, reducing the amount of heat that is conducted through the walls of the house.
How is heat transferred through kettle walls.'?
Heat is transferred through kettle walls primarily by conduction. When the kettle is heated on a stove, the heat from the flame is transferred to the bottom of the kettle through conduction. This heat is then transferred to the rest of the kettle through the metal walls by conduction as well.
If a house has shiny walls will the heat reflect of the walls and stay in the house?
yes it will because it is shiny
What store sales heat transfers?
there is no store that sales heat transfers if you want your heat transferred i suggest you go to the closest store that sales fans. :-)
How does layers of foil prevent heat loss?
Layers of foil create a barrier that reflects and traps heat radiating from the object or surface it covers. This reflective property helps to minimize heat loss by preventing thermal energy from escaping into the surrounding environment. The trapped heat between the layers of foil acts as an insulating layer, reducing the rate at which heat dissipates.
Why are baseboard electric heaters placed on outer walls of a room?
Baseboard electric heaters are placed on the outer walls of a room in order to radiate heat towards the center of the room. They also heat up the outer walls of which usually are cooler than the inner walls.
How are non-vacuum flasks insulated?
Non-vacuum flasks are insulated using materials such as foam, glass, or stainless steel to create a barrier that slows down heat transfer. These materials are selected for their ability to keep heat from escaping or entering the container. Additionally, some flasks may have double walls or a layer of air between the walls to improve insulation.
