Fan
In construction and engineering, the term "fan" typically refers to a device used to create airflow by the use of rotating blades or vanes. Fans are commonly used to move air or other gases, to provide ventilation, or cool systems and components. They can be found in HVAC systems, electronic devices, industrial machinery, and other engineering applications.
The earliest forms of fans were simple handheld devices made of natural materials such as leaves, feathers, or palm fronds. They were used by civilizations including the Egyptians, Greeks, and Romans, for personal cooling and ceremonial purposes.
In medieval times, fans became more elaborate and decorative. They were crafted from materials such as silk, lace and parchment and often featured intricate designs and paintings. These fans were primarily used by royalty and the upper classes as status symbols.
During the Renaissance period, fans became fashionable accessories in Europe. They were adorned with ornate handles and crafted with delicate materials such as ivory, mother-of-pearl and silk.
In the 18th century, mechanical fans started emerging, powered by hand-cranked mechanisms. The invention of steam power during the Industrial Revolution brought significant advances in fan technology. Steam-powered fans were used for industrial purposes, such as providing ventilation in mines and factories.
The advent of electricity in the late 19th century revolutionised fan design. Electric fans became popular in the early 20th century, offering more convenience and efficiency. Initially, these fans featured open-blade designs, but later they transitioned to safer enclosed designs.
Recently fans have undergone further technological advancements. They now come in various types, including ceiling fans, desk fans, tower fans, and axial fans used in HVAC systems. Modern fans feature improved blade designs, energy-efficient motors, remote controls, and smart connectivity options.
Articles about fans on Designing Buildings include:
- Air conditioning
- Air conditioning
- Air handling unit AHU
- Chilled water fan coil system vs refrigerant based system
- Constant air volume CAV
- Evaluation of cooling effects: outdoor watermist fan
- Fan coil refurbishment for improved operational efficiency
- Fan coil unit
- Fan coils
- Fan convector
- Fan heater
- How do I know what capacity fan coil I need?
- How does a chilled water fan coil unit work?
- HVAC
- Intermittent extract fan
- Types of fans.
- Variable air volume VAV
- Ventilation
- What are the different types of fan coil units?
Featured articles and news
New Great British Energy partnership launched
Crown estate help to turbocharge energy independence.
ECA Industry Awards 2024 shortlist revealed
22 leading businesses from across the electrotechnical and engineering services sector.
Government unveils Skills England strategy
Skills England to transform opportunities and drive growth.
New Government Hub for York Given Planning Green Light
For up to 2,600 civil servants, due for completion by 2028.
Construction Skills Certification Scheme cards
July update on Professionally Qualified and Academically Qualified Person Cards.
BSRIA Briefing 2024, November 22
Sustainable Futures: Redefining Retrofit for Net Zero Living.
The CLC on driving competency in the retrofit sector
Previously published roadmap on skills for net zero.
The first labour government King's speech in fifteen years
Construction industry reactions, support and some concern.
CIOB Retrofit of Buildings Technical Information Sheet
What retrofit is, the approach to be taken and processes to be followed.
Adapting Historic Buildings for Energy and Carbon Efficiency
Historic England advice note 18, free download published.
10 retrofit projects revisited 10 years after completion.
Information orders, building liability orders and SPVs
Key BSA terms and how they impact special purpose vehicles.
Listed despite problems with its design.
Zen and the art of cycling exploration.
Design Council Homes Taskforce launched
To support government 1.5 million homes target within UK climate commitments.