Comparing Air Cooled & Water Cooled CT Scanners

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COMPARING AIR COOLED WATER COOLED CT SCANNERS
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By Vikki Harmonay
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In the market for a CT Scanner? One of the most
important factors to consider is whether you will
choose a system cooled by air or a system cooled
by water. It takes a lot of electrical components
in a CT Scanner gantry to emit and detect X-rays.
As these components work, an immense amount of
heat builds up. If that heat isnt dissipated, it
can generate enough heat to be hazardous to the
functions of the CT Scanner, damage the
components or cause malfunctions. Thats why its
so important to prevent overheating with CT
chillers to rapidly cool your scanner. These
chillers deal with cyclical loads, when the X-ray
tubes within a CT Scanner power up
intermittently. The cooling system you choose
must be able to keep internal temperatures stable
despite the load surge.
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Sometimes the location your CT Scanner will be
located will determine which system is right for
you, especially if you are just replacing a
cooler. However, if you are installing a new
system, you might be able to choose between the
two methodologies. The experts at Atlantis
Worldwide prepared this comparison of Air Cooled
and Water Cooled CT Scanners to help you decide
which is best for you.
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Water-Cooled Advantages

• Does the room have inconsistent humidity and
  temperature control? A water-cooled unit will be
  affected far less by this than an air-cooled
  system. Why? Because the burden of cooling with
  an air cooled unit will fall on the air
  conditioning maintenance and energy costs. The
  HVAC contractor will be in charge of regulating
  the CT Scanners temperature.
• You dont need additional HVAC accommodates for
  the room.
• A water-cooled CT scan room has far lower fan
  noise. It will run more quietly and warmer than
  with a comparable air-cooled room.
• As a rule, the inside of a water-cooled gantry is
  cleaner than that of an air-cooled unit. Thats
  because the air-cooled system uses many fans to
  pull dust, hair, etc. into the gantry.
• Water-cooled systems cost less than air-cooled
  systems.

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Air-Cooled Advantages

• Air-cooled scanners usually have a smaller
  footprint than water-cooled units. If room size
  is an issue, this is a benefit.
• If your facility doesnt have a ready water
  source like a cooling tower or plant chilled
  water system, its best to choose an air-cooled
  system.
• With an air-cooled system, you dont have to
  worry about water quality. Water impurities can
  reduce the level of cooling performance, so
  maintenance is important. Because the components
  have to work harder, valves can wear out and
  fail. Component life is reduced because of higher
  and varying temperatures.
• Much of the downtime for water-cooled CTs is
  cooling system-related.

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Talk To An Expert
Whether you install a water-cooled or air-cooled
system, your room environment should meet or
exceed the load, temperature and humidity
specifications listed in your CT Scanner manual.
To find out which type of cooler is best for you,
talk to the experts at Atlantis Worldwide.
Atlantis Worldwide has been helping clients with
their CT, MRI and X-Ray choices for more than 30
years and would love to assist you. Contact Us
Today!
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Some blogs you may have missed

• Should You Buy New Or Used X-Ray and CT Tubes?
• CT Scanner Artifacts- How Do I Correct Streaks?
• The Lowdown on CT X-Ray Replacement Tubes
• Is Your CT Tube About To Fail?
• Free CT Resources
• Meet the author Vikki Harmonay

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You can read this on our website
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air-cooled-water-cooled-ct-scanners
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