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CHILLED BEAM, COOLING, HEATING AND VENTILATION

CHILLED BEAM, COOLING, HEATING AND VENTILATION
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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 1

COOLING, HEATING AND VENTILATION minimal energy requirements high output low noise

CHILLED BEAM, COOLING, HEATING AND VENTILATION - 2

MINIB ranks among the leading manufacturers of HVAC systems in the Czech Republic. It currently exports its products to more than thirty countries in Europe, Asia, Australia, and America. Our company is a holder of a quality management certificate, ISO 9001:2016 for the field of design, development, manufacturing and sale of heating and cooling units. The entire product portfolio is tested in an independent accredited testing chamber, which allows us to guarantee the stated heating and cooling output values. Our company is also a holder of numerous utility models and patents. Since 1999,...

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 3

CASTLE DĚČÍN CASTLE DOBŘÍŠ PRAGUE NIŽNIJ NOVGOROD

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 4

CONTENTS CHILLED BEAM DESCRIPTION Basic information Chilled beam principle Chilled beam benefits CALCULATION OF THE CHILLED BEAM PARAMETERS Definition of parameters Inlet water temperature when cooling Cooling output for selected conditions for 2 pipe version Heating output for selected conditions for 2 pipe version Cooling output for selected conditions for 4 pipe version Heating output for selected conditions for 4 pipe version POSSIBLE CONNECTIONS TO HVAC Basic dimensions of the chilled beam Dimensions for water inlet and outlet Overview of all versions of the Chilled beam Chilled beam...

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 5

CHILLED BEAM DESCRIPTION BASIC INFORMATION Chilled beams are modern devices based on a water to air system, which makes it possible to efficiently change the temperature of the air and to distribute it silently with minimal energy requirements. In the case of cooling, it is necessary to ensure correct design of the temperature of the cold water supplied, so that the dew point is not reached, which would lead to condensation of the air humidity. A chilled beam does not contain a fan; it functions by way of entraining the primary air through nozzles, driven by the induced injection effect...

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 6

CHILLED BEAM DESCRIPTION CHILLED BEAM PRINCIPLE Chilled beams, also known as active cooling beams, are connected to the distribution system for external treated air, the primary air. The primary air is pushed under pressure through nozzles behind which the ejection effect takes and sucks in the secondary air from the room. This suction of the secondary air from the room occurs through a heat exchanger where the air is cooled or heated. The primary and secondary air is mixed inside the unit, and the mixed air is subsequently distributed to the room. This “induction” takes place inside the...

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 7

Qpri Vpri H

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 8

CALCULATION OF THE CHILLED BEAM PARAMETERS Pressure drop of the primary air Total output Qtot = Qpri + Qc [W] Cooling output on the water side Qc [W] Pressure drop of the water Ekvivalent level of acustic pressure Volume flow of the primary air Cooling output of the primary air Volume flow of the water Unit length COOLING OUTPUT FOR SELECTED CONDITIONS - 2 pipe version Δ tpri [K] Difference between Δ tiw [K] Difference between the the room air and the room air and the mean water temperature [l/h] [l/s] [kPa] [dB] [-] [mm] [m3/h] [l/s] [Pa] primary air temperature 6 The calculation of the...

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 9

CALCULATION OF THE CHILLED BEAM PARAMETERS COOLING OUTPUT FOR SELECTED CONDITIONS 2 pipe version Total output Qtot = Qpri + Qc [W] Cooling output of the primary air Qpri [W] A tpri [K] Difference between the room air and the primary air temperature Cooling output on the water side Qc [W] A tiw [K] Difference between the room air and the mean water temperature [|/h] [l/s] [kPa] [dB] The calculation of the output and other parameters according to the customer requirements can be made upon request.

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 10

CALCULATION OF THE CHILLED BEAM PARAMETERS COOLING OUTPUT FOR SELECTED CONDITIONS - 2 pipe version ij T L Vpri [mm] [m3/h] [l/s] Pressure drop of the primary air The calculation of the output and other parameters according to the customer requirements can be made upon request.

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 11

CALCULATION OF THE CHILLED BEAM PARAMETERS COOLING OUTPUT FOR SELECTED CONDITIONS Pressure drop of the primary air The calculation of the output and other parameters according to the customer requirements can be made upon request.

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 12

CALCULATION OF THE CHILLED BEAM PARAMETERS Δ tpri [K] Difference between Δ tiw [K] Difference between the the room air and the room air and the mean water [Pa] primary air temperature temperature 6 Volume flow of the water Heating output on the water side The calculation of the output and other parameters according to the customer requirements can be made upon request. Ekvivalent level of acustic pressure Pressure drop of the primary air Heating output of the primary air Total output Qtot = Qpri + Qh [W] Pressure drop of the water Volume flow of the primary air Unit length HEATING OUTPUT...

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 13

CALCULATION OF THE CHILLED BEAM PARAMETERS HEATING OUTPUT FOR SELECTED CONDITIONS The calculation of the output and other parameters according to the customer requirements can be made upon request.

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 14

CALCULATION OF THE CHILLED BEAM PARAMETERS HEATING OUTPUT FOR SELECTED CONDITIONS - 2 pipe version Total output Qtot = Qpri + Qh [W] The calculation of the output and other parameters according to the customer requirements can be made upon request.

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 15

CALCULATION OF THE CHILLED BEAM PARAMETERS Δ tpri [K] Difference between Δ tiw [K] Difference between the the room air and the room air and the mean water [Pa] primary air temperature temperature 6 Volume flow of the water Heating output on the water side Ekvivalent level of acustic pressure Pressure drop of the primary air Heating output of the primary air Total output Qtot = Qpri + Qh [W] Pressure drop of the water Volume flow of the primary air Unit length HEATING OUTPUT FOR SELECTED CONDITIONS - 2 pipe version The calculation of the output and other parameters according to the customer...

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CHILLED BEAM, COOLING, HEATING AND VENTILATION - 16

CALCULATION OF THE CHILLED BEAM PARAMETERS COOLING OUTPUT FOR SELECTED CONDITIONS - 4 pipe version Pressure drop of the primary air CD CO > CD ^ is. c ££ CD *4—1 - CO .> o > CD 1_U o LA,eq The calculation of the output and other parameters according to the customer requirements can be made upon request. 16

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