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التبادل الاعلاني

اعلن معنا

اعلن معنا

    air condition system

    شاطر

    samehelkordy

    عدد المساهمات : 306
    تاريخ التسجيل : 03/08/2008
    العمر : 27
    الموقع : بيتي

    air condition system

    مُساهمة من طرف samehelkordy في أغسطس 3rd 2009, 12:44 pm

    . Air conditioning allows buildings to be taller since wind speed increases significantly with altitude making natural ventilation impractical for very tall buildings. Comfort applications for various building types are quite different and may be categorized as

    Low-Rise Residential buildings, including single family houses, duplexes, and small apartment buildings
    High-Rise Residential buildings, such as tall dormitories and apartment blocks
    Commercial buildings, which are built for commerce, including offices, malls, shopping centers, restaurants, etc.
    Institutional buildings, which includes hospitals, governmental, academic, and so on.
    Industrial spaces where thermal comfort of workers is desired.
    In addition to buildings, air conditioning can be used for many types of transportation - motor-cars and other land vehicles, trains, ships, aircraft, and spacecraft.

    Process applications aim to provide a suitable environment for a process being carried out, regardless of internal heat and humidity loads and external weather conditions. Although often in the comfort range, it is the needs of the process that determine conditions, not human preference. Process applications include these:

    Hospital operating theatres, in which air is filtered to high levels to reduce infection risk and the humidity controlled to limit patient dehydration. Although temperatures are often in the comfort range, some specialist procedures such as open heart surgery require low temperatures (about 18 °C, 64 °F) and others such as neonatal relatively high temperatures (about 28 °C, 82 °F).
    Cleanrooms for the production of integrated circuits, pharmaceuticals, and the like, in which very high levels of air cleanliness and control of temperature and humidity are required for the success of the process.
    Facilities for breeding laboratory animals. Since many animals normally only reproduce in spring, holding them in rooms at which conditions mirror spring all year can cause them to reproduce year-round.
    Aircraft air conditioning. Although nominally aimed at providing comfort for passengers and cooling of equipment, aircraft air conditioning presents a special challenge because of the changing density altitude associated with changes in altitude, humidity and temperature of the outside air[

      الوقت/التاريخ الآن هو ديسمبر 4th 2016, 10:53 am