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Understanding the Peltier Effect

The Peltier Effect and Thermoelectric Units The Peltier effect, or Thermoelectric effect, is the name given to the occurrence of heat when an electric current passes across a junction between two conductors. Thermoelectric units are designed to exploit this phenomenon. They are small static heat pumps which operate according to the principles of the Peltier effect, discovered by the French physicist Jean-Charles Peltier more than a century ago. The basic principles of thermodynamics can be applied to these devices just as is done with tradi...


Fans for Spray Booth Extracts

Manufacturers of spray booths need to ensure that they have effective ventilation for two main reasons; to protect spray booth operators by extracting paint fumes and to ensure the best paint finish possible by removing excess particles of the paint spray. During the spray process, paint particles are released into the atmosphere through the spray nozzle which increases the release of potentially hazardous vapours and paint particles. Professional spray paints and lacquers often contain volatile organic compounds which are emitted as gases. ...


ATEX Fume Extraction for Landfill Organic Waste

Landfill gas is a natural byproduct of the decomposition of organic materials which are put into landfill. The gas is composed of roughly 50% methane (CH4) and 50% carbon dioxide (CO2) and a small amount of non-methane organic compounds. Methane is a potent greenhouse gas and is harmful to the environment. When organic waste is first deposited into landfill, it goes through the initial stages of decomposition where small amounts of methane are generated. As the conditions change during the subsequent stages of decomposition, an increase ...