Air Ambiator

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    Air Ambiator : Cost Effective Air-Conditioning

    Description

    An Indian company with long expertise in energy efficiency and eco friendly

    technologies has developed air ambiator, a low-cost, low energy intensive alternative toconventional air conditioning systems and is appropriate for most air-cooling

    applications. Unlike most compressor based air conditioning systems using CFCs, theambiator does not use a compressor.

    The ambiator available in 1 tonne modules, can be used in almost any industry where

    there is a need for either cooling or pressurisation or dust proofing a particular area.

    When compared with conventional air-conditioning, which can maintain a temperature of24-24 degree C and 30-60% relative humidity (rH), the Ambiator can provide 26 degree

    C for 96% of the time throughtout the year and rH in the range of 60-70%.

    The air ambiator works on the principle of two-stage evaporative cooling:

    Stage 1: Sensible heat exchanger: The air from the atmosphere is sucked in through 20micron dust fillers and is forced across a heat recuperater consisting of a cross-flow, wet

    plate plastic heat exchanger with an efficiency of 60%. This air is never in direct contact

    with the water passing through the other side of the heat exchanger. The wet side of theexchanger is covered with a hydrophilic material, which maintains a thin film of water

    that evaporates when the sensible heat of the water is transferred to the wet side. A

    portion of the cooled air picks up the evaporating water and exhausts it out. About 15-

    20% of the air is used up this way. The air that comes off the heat exchanger issignificantly colder than the ambient air.

    Stage 2: Adiabetic heat exchanger: The air coming out of the heat recuperater is passed

    through an evaporative cooling module, which consists of a durable cellulose media (ahoneycomb) and an adiabetic exchanger constantly kept wet with a water drip. Part of the

    sensible heat in the air is converted into latent heat and the air is finally delivered into the

    conditioned space at a significantly lower temperature than the intake.

    Areas of Application : Energy efficiency, Air-conditioning, Electrical

    Advantages: The major advantage of air ambiator systems is its high power savings. Theaverage energy efficiency ratio of the ambiator system varies from 30-50 BTUs (British

    Therrmal Units)/Watt for comfort cooling applications. This is equivalent to 80% powersaving when compared with conventional air-conditioning systems.

    Stage of Development: It is a commercialised technology.

    Economic Data: Can be arranged on request

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    Transfer Forms: Know-how and Technology licensing outside India. In India Franchising

    Arrangement can be considered

    Main Application: Energy

    Contact:

    Technology Bureau for Small EnterprisesAPCTT Building, Qutub Institutional Area

    P.O. Box - 4575

    New Delhi - 110016, India