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Entries with tag temperature and humidity control .

Heat recovery ventilation and humidification: the new horizon in comfort

Heat recovery ventilation (HRV) systems are today becoming more and more important in the commercial and residential ventilation sector. These systems involve very compact air handling units, equipped with heat recovery, which introduce a stream of fresh air from the outside into the air-conditioned environment, while at the same time discharging the exhaust air. The heat exchanger,...
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Kigali, energy efficiency and control schemes - 2nd part

The Kigali amendment to the Montreal Protocol was signed on 16 October 2016, with the intention of phasing out HFCs, being contributors to global warming. Interestingly, a request to “the Technology and Economic Assessment Panel 1 to review energy efficiency opportunities in the refrigeration and air-conditioning and heat-pump sectors related to a transition to climate-friendly...
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Kigali, energy efficiency and control schemes - 1st part

The Kigali amendment to the Montreal Protocol was signed on 16 October 2016, with the intention of phasing out HFCs, being contributors to global warming. Interestingly, a request to “the Technology and Economic Assessment Panel 1 to review energy efficiency opportunities in the refrigeration and air-conditioning and heat-pump sectors related to a transition to climate-friendly...
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2018 ASHRAE Winter Conference in Chicago

  Humidification: renewed interest! Refrigerants: feeling the “natural” pressure?   The ASHRAE Winter Conference was held on 20-24 January 2018, during some mild winter weather (incredibly for Chicago, just around freezing!). Like all ASHRAE Conferences, the event was attended by several thousand people, who asked questions, learned and profitably networked during the...
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We will fog you!

You know that chill you feel on your face on a foggy day? Well, it’s caused by the heat released by your body to the small airborne droplets of moisture that touch your skin and evaporate. This is evaporative cooling. Evaporative cooling exploits the natural evaporation of water to provide cooling. Water naturally evaporates into vapour as long as the air it is in contact...
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Generation Z: vision and hopes (vs. the establishment’s)

Any parent knows that kids want to get what they wish for now, and in the form and shape they like, and without wasting energy and time to get it and enjoy it , and, and, … This is typical of youth, when parents begin to slowly ‘unleash’ their kids, and they feel that the much-awaited freedom of realising their dreams, or at least of trying to, is within arms’ reach, aiming to live...
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Relative humidity and printability

The printing industry features a multitude of different technologies that can be used, from traditional printing (such as offset printing, rotogravure printing, screen printing, etc.) to digital printing (for example, inkjet or laser).  The processes underlying these technologies are quite different, but they all share one need: to control humidity in the processing and storage...
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Why does the printing industry require humidity control?

In order to ensure an efficient process and excellent and consistent quality of the printed product, the temperature and humidity in places designed for the storage and printing of paper and cardboard needs to be controlled appropriately. What are the effects on paper? The hygroscopic nature of paper Paper is a hygroscopic material that tends to reach a condition of...
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Why does humidity need to be controlled in the printing industry?

Paper is a hygroscopic material that tends to reach a condition of equilibrium with the temperature-humidity conditions of the surrounding environment. Any swings in temperature and humidity can cause dimensional variations and loss of paper flatness . These phenomena are well-known to those who work in the printing industry as, if not appropriately controlled, they can...
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DCW Singapore: opportunities for Data Centre energy savings in tropical regions

Carel’s recent participation at “ Data Center World ” (DCW) Asia in Singapore was a great opportunity to meet some of the industry’s leading players in the southeast Asian area, addressing issues relating to data centre cooling in this region specifically and throughout Asia in general. This part of the world is experiencing strong economic growth, and with this comes a considerable...
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