VOL 75 – Components of the Psychrometric Chart

Identifying the main components of the psychrometric chart The dry bulb temperature, shown in degrees centigrade, runs along the bottom horizontal axis. The vertical axis, to the right is the moisture content...

VOL 59 – Telecommunications High Performance Air Conditioning

The proliferation of telecommunications services, both public switched networks and cellular, has created an increasing demand for efficient and reliable precision air conditioning. Both the sensitive electronic equipment and associated batteries should...

VOL 57-58 – “Close Control” Air Conditioning

MASTERCLASS - AIR CONDITIONING TECHNOLOGY A general introduction to “close control” or precision air conditioning – highlighting the differences with comfort air conditioning. Specific computer room applications are discussed this month. Next...

VOL 56 – Direct Expansion Refrigeration Cycle

MASTERCLASS - AIR CONDITIONING TECHNOLOGY VOL 56 – Direct Expansion Refrigeration Cycle Last month (VOL 55) we covered Chilled Ceilings and Chilled Beams, this following on from our coverage of Chilled Water...

VOL 55 – CHILLED CEILINGS and CHILLED BEAMS

MASTERCLASS - AIR CONDITIONING TECHNOLOGY VOL 55 – CHILLED CEILINGS and CHILLED BEAMS This month we take a look at Chilled Ceilings and Chilled Beams. Introduction Static cooling devices are a commonly...

VOL 53 – Fan Coil Unit Selection – Noise Level

MASTERCLASS - AIR CONDITIONING TECHNOLOGY VOL 53 – Fan Coil Unit Selection - Noise Level In last month’s article (VOL 52) we examined the advantages and disadvantages of airside over waterside fan...