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- Studies of Malqaf Wind Catcher
A Windcatcher, also known as wind tower, wind scoop, Malqaf, or Badgir, is a traditional cooling architectural element that has … See more
As explained in our article about natural ventilation and its use in different contexts, air movement is created by the rising of warm and the lowering of cool air. As the air above the land gets warmer, it rises and creates an area of low pressure. When air continues … See more
Recently, people have become a lot more environmentally-aware, opting for more passive solutions to reduce energy consumption and … See more
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In Egypt windcatchers are known as malqaf, pl. malaaqef. They are generally shaped as right triangular prisms with the vertical side left open and facing directly up or down wind (one of each per building). They work best if oriented within 10 degrees of wind direction; larger angles allow the wind to escape. Windcatchers were used in traditional ancient Egyptian architecture, and only …
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Wind-Catcher (Malqaf): A Traditional Natural …
WEBJan 13, 2012 · The wind-catcher is based on a traditional Persian architectural device, which was used to create natural ventilation in buildings. Since the energy crisis of the 1970s, the ecological or …
Malqaf - origin, language, design and development
WEBJun 18, 2022 · The performance of the windcatcher depends greatly on the position, orientation, and size of the inlet and outlet opening in relation to the wall ratio. 5. The best arrangement for getting maximum airflow pattern into the space is to make the Malqaf inlet and outlet as large as possible.
WEBJan 13, 2012 · There are many different types of wind-catchers, whose forms and functions are based on the climatic conditions of their regions. The most common ones are the unidirectional (malqaf, windcatcher), …
An ancient engineering feat that harnessed the wind - BBC
WEBSep 27, 2018 · Wind catchers are tall, chimney-like structures that protrude from the rooftops of older houses in many of Iran’s desert cities. In their simplest form, wind catchers harness the cool breezes and...
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The ancient Persian way to keep cool - BBC
WEBAug 11, 2021 · Variations of Iran's wind catchers can be found in the barjeels of Qatar and Bahrain, the malqaf of Egypt, the mungh of Pakistan, and many other places, notes Fatemeh Jomehzadeh of the...
WEBThis was the malqaf (a wind catch), which is a shaft rising high above the building with an opening facing the prevailing wind and constructed on the north qa’ah. It traps the cool air and channels it down into the interior of the building (fig. 3). The size of a malqaf is determined by the external air temperature.
WEBSep 5, 2022 · This review study circumscribes wind catchers as vernacular zero-energy systems of passive ventilation. The research reviews various types of wind catchers and analyses their design, effectiveness and …
WEBAn example of this ventilation device is the Malqaf ( Figure 1 a), a uni-directional wind catcher which is a shaft projecting on the roof. It has a large opening facing the predominant wind...
Wind Catchers: An Element of Passive Ventilation - ProQuest
WEBMalqafs have been used for rooms and halls and are sometimes coupled with evaporative cooling by providing wet screens in the shaft or a water body under their openings. A traditional form of Malqaf is a two-sided wind catcher, which works as …
Malqaf - Global Ecovillage Network
WEBIt traps the wind from high above the building where it is cooler and stronger, and channels it down into the interior of the building. The Malqaf thus dispenses with the need for ordinary windows to ensure ventilation and air movement.
Direct comfort ventilation. Wisdom of the past and technology of …
WEBDec 1, 2012 · In this paper, the indoor flow structure, crossflow ventilation characteristics, and thermal comfort of a room integrated with a two-sided wind catcher is numerically investigated.
(PDF) Design with Nature: Windcatcher as a Paradigm of Natural ...
WEBJan 1, 2010 · One of the most well-known passive cooling techniques is the windcatcher, or wind tower, as it is known in the Middle East (also known as a malqaf in Egypt).
Contemporary Wind-catcher (Malqaf) in Western World -Part 4
WEBJan 20, 2012 · Experimental studies have been conducted to investigate the performance of wind-catcher, which depends greatly on the wind direction and speed. The results proved that passive air movement inside the building improves the air quality and reduces the internal temperatures.
Wind Catcher: A Lost Architectural Heritage with Timeless …
WEBMar 24, 2023 · Wind Catchers were built with a sustainable approach, place-making, a reflection of social connectivity amongst people, and valuing climate design. They can be revived as a lost cultural heritage that represents symbolism due to their resemblance with Sindhi poetry, and a point of women’s socialization.
Direct comfort ventilation. Wisdom of the past and technology of …
WEBDec 1, 2012 · The Malqaf can catch wind from any direction while the hot air inside the building will get out from the opposite direction of that inlet (Kay & Zandi, 2004). Malqaf cross sections’ dimension differed, depending on the size of the ventilated space varying from a square with 1 m side length to 3 m serving larger spaces ( Kay & Zandi, 2004 ).
Windcatchers and their applications in contemporary architecture
WEBJan 1, 2022 · Nowadays, many modern buildings with different functions are using windcatchers. Natural ventilation and cooling have played an essential role in providing comfort conditions. Windcatchers are passive cooling systems and one of the most familiar elements in Iranian architecture.
A traditional Malqaf wind catcher (left) airflow through a building ...
WEBPassive cooling using windcatchers have been utilised in the past by several Middle East countries to capture wind and provide indoor ventilation and comfort without using energy.
Sustainability | Free Full-Text | The Rise and Evolution of Wind …
WEBJul 11, 2023 · To provide sufficient ventilation, wind towers are usually built to be tall structures erected on building rooftops , enabling them to catch the fast-traveling wind away from the building level below, where the surrounding buildings may obstruct wind movement and slow it down.
The Future Of Windcatcher (Malqaf) -Part 5 - Knoji
WEBJan 24, 2012 · The ‘Eco Cybernetic City’, designed by Orlando De Urrutia, exhibits a futuristic design for capturing the prevailing wind to provide a fresh and cool air. It represents a new interpretation to the principles of the traditional windcatcher.
Investigation of the natural ventilation of wind catchers with ...
WEBNatural ventilation performance of a two-sided wind-catcher is investigated for various wind angles (a ¼ 0u0002e90u0002) and wind speeds by experimental wind tunnel and smoke flow visualization. A 1:50 scale model of a real wind …
(a) Uni-directional Malqaf wind catcher (b) airflow through a …
WEBThis study investigates the ventilation and thermal performance of a wind catcher with horizontally-arrange heat transfer devices (HHTD) for passive cooling in hot climates using numerical and...
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