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Sumber-sumber bantuan: Pusat Rujukan Persuratan Melayu.
Pendiang ialah sebuah struktur seni bina untuk membendung api untuk pemanasan dan, terutamanya secara bersejarah, untuk masakan. Api dihasilkan di dalam sebuah kotak api atau lubang bakar; sebuah cerobong atau serombong lain menghalakan gas dan ekzos zarahan untuk keluar. Pendiangan ialah suatu ciri rumah utama di kawasan bermusim sejuk, dengan nyala dan bunyi gemeretak boleh menenangkan hati, walaupun bila ia tidak diperlukan untuk pemanasan atau memasak. Mantel pendiang merupakan antara fokus untuk hiasan bahagian dalam rumah.
Jenis pendiang[sunting | sunting sumber]
Pendiang boleh memiliki: asas, perdiangan, kotak api, mantel pendiang, pintu buang abu, kren serombong, pintu pembersihan, besi pengadang, ambang, palang ambang, atasmantel, dedada serombong, peredam, kebuk asap, leher, serombong, peparit serombong, mercu, tutup, litupan, atau penyekat percikan.
- Masonry (brick or stone fireplaces and chimneys) with or without tile lined flue. Unreinforced masonry chimneys do not stand up to earthquakes well.
- Reinforced concrete chimneys. Fundamental flaws (the difference in thermal expansion rates between steel rebar and concrete which caused the chimney flues to crack when heated) bankrupted the US manufacturers and obsoleted the technique.[petikan diperlukan] This type of chimney often shows vertical cracks on the exterior of the chimney which worsen as the internal rebar rusts.
- Manufactured ("prefab") fireplace with sheet metal fire box and double or triple walled metal pipe running up inside a new or existing wood framed or masonry chase with a chase cover, a cap, and spark arrestor at the top to keep small animals out and sparks from exiting the chimney cavity. This type of fireplace is very popular for new construction for ease of installation and is very cost effective. This type of fireplace is currently being made for wood, natural gas, biomass and lp/propane fuel sources.
- Ventless Fireplace (duct free fireplace) that are fueled by either gel, LP/bottled gas or natural gas. Some states and local counties have laws and ordinances regarding these types of fireplaces. They require little installation and do not use the same BTUs as a traditional fireplace. The gas burning version of a vent free fireplace while using less BTU's worth of fuel, burn that fuel at close to 100% efficiency, making them very powerful heaters. This being the case, before purchasing a gas burning vent free appliance make sure to size it according to the cubic feet of the area it is going to be installed in. Aside from the heat output there are also air quality control issues due to the amount of moisture they release into the room air. 
Sejarah[sunting | sunting sumber]
Ancient fire pits were sometimes built in the ground in the center of a hut or dwelling. Smoke escaped through holes in the roof. Smoke would be blown outside or back into the room. Chimneys, invented much later, partially fixed this problem, venting smoke outside.
In 1678 Prince Rupert, nephew of Charles I, raised the grate of the fireplace, improving the airflow and venting system. The 1700s saw two important developments in the history of fireplaces. Ben Franklin developed a convection chamber for the fireplace that greatly improved the efficiency of fireplaces and wood stoves. He also improved the airflow by pulling air from a basement and venting out a longer area at the top. In the later 1700s, Count Rumford designed a fireplace with a tall, shallow firebox that was better at drawing the smoke up and out of the building. The shallow design also improved greatly the amount of radiant heat projected into the room. Rumford's design is the foundation for modern fireplaces.
One famous tradition in the United States during the Great Depression was President Franklin Delano Roosevelt's "fireside chats", weekly radio addresses in which he made use of the family gathering time to state his views.
Many homes no longer have open fireplaces, their inefficient heating replaced by central heating, or electric heaters, its social function by the home entertainment center. Some fireplaces have been closed off not allowing them to be used. For homeowners that want the ambiance of a fireplace without the energy loss they have a few options. They can install into a new home or addition a high efficiency gas or wood fireplace. They do not have the appeal of a true open fireplace, but offer the fireplace effect while adding true heating value to the home. For people with existing fireplaces, the alternative to simply closing them up is to install a high efficiency gas, wood or biomass fireplace insert. Some governments have a partial ban on solid fuel burning fireplaces due to air pollution. Ventless fireplaces have received attention recently: they are free standing, requiring no chimney and no hearth. Prefabricated fireplaces are popular because of their lower construction cost and safer and more reliable operation. Brick or stone fireplaces can be designed to meet exact specifications for opening size, depth, and facing material. They cost more to build and require more maintenance.
Accessories[sunting | sunting sumber]
A wide range of accessories are used with fireplaces, which vary between countries and regions, and historical periods. For the interior, common in recent Western cultures are grates, fireguards, logboxes, andirons pellet baskets, and fire dogs, all of which cradle fuel and accelerate burning. Heavy metal firebacks are sometimes used to capture and reradiate heat, to protect the back of the fireplace, and as decoration. For fireplace tending, tools include pokers, bellows, tongs, shovels, brushes and toolstands.
Lihat juga[sunting | sunting sumber]
- Air pollution
- Carbon monoxide
- Fireplace mantel
- Fireplace insert
- Wood-burning stove
Rujukan[sunting | sunting sumber]
- Consumer information regarding a ventless fireplace in the US. (2009)
Pautan luar[sunting | sunting sumber]
|Wikimedia Commons mempunyai media berkaitan Pendiang|