Teappcm - TEAP PCM

Teappcm, is the pioneer manufacturer supplier of Phase Change Materials for Air condition and heating, Electronic cooling etc and various Related Chemicals in India USA etc. It has several associated manufacturing facilities spread across the globe. No other vendor in the world knows the subject better than us. The participating units have one or more of the certifications like ISO-9001-2008, ISO-22000, Halal & Kosher Cettification. We also have "REACH" Preregistration.

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Building Air Condition AC HVAC PCM Phase Change Material Manufacturers

PCM AC, Natural Air conditioning with Phase Change Material PCM in Roof. Natural Air Conditioning
Natural Air-conditioning with PCM in Roof

PCM Cooled Building in Netherland Floating Balls of Rotterdam Inside Phase Change Material Air condition Phase Change Material Air Condition. Inside Floating Balls PCM AC. Floating Balls at Rotterdam
PCM Phase Change Material Cooled AC Air Conditioning done in Netherlands

Air conditioning by Phase Change Material - PCM is a new way of taking comfort and not damaging the environment. Our PCM - Phase Change Material was used by Autarkis in Netherland and other european countries to cool offices. The melting point was set at 21oC by selecting a suitable PCM - Phase Change Material. The climate in Europe permits such melting point for equalising day and night temperature. The experience iof cooling with PCM - Phase Change Material is described as a very pleasant one. Unlike with the conventional Air conditions there is no irritation of air blowing.

Modular heat exchangers in the air handling unit can be fixed to reduce the wattage or tonnage of the central unit or PCM may be installed in profiles in the wall and ceiling. An excellent example is the public place "Floating Balls of Rotterdam. The area is fitted with PCM walls and it also displays a write up on the method of cooling.

Phase Change Material Heat Exchanger

An example of the method of calculating the PCM - Phase Change Material based air conditioning system is given below.

Free Cooling for a Hall in Bangalore with Latest21T

PROPOSAL FOR FREE AIR CONDITIONING OF HALL FOR 1000 HOURS/YEAR

PROPOSAL FOR FREE AIR CONDITIONING OF HALL FOR 1000 HOURS/YEAR

Preliminary/Concept Presentation for Data Exchange and Technical Interaction.

Data Offered by the User:

Air Condition Load is 932 Tons of Refrigeration.

Carpet Area of the Hall is 200000 sq ft.

Comfort Level is 23C. [Phase Change Material (PCM) to start Melting at 21C

No. of people is 1800

We get 19C for at least 4hr/night for hundred nights in a year

Fan use is permitted

I. Weather Information on Bangalore
Month Daily Mean TemperatureC
Mini - Maxi - Remark
Jan 15.1 - 27.0 - 22-23C can be maintained all the time
Feb 16.6 - 29.6 - 22-23C can be maintained all the time
Mar 19.2 - 32.4 - 22-23C can be maintained for a few hours
Apr 21.5 - 33.6 - PCM Cooling can be used
May 21.2 - 32.7 - PCM Cooling can be used
Jun 19.9 - 29.2 - 22-23C can be maintained for a few hours
Jul 19.5 - 27.5 - 22-23C can be maintained for a few hours
Aug 19.4 - 27.4 - 22-23C can be maintained for a few hours
Sep 19.3 - 28.0 - 22-23C can be maintained for a few hours
Oct 19.1 - 27.7 - 22-23C can be maintained for a few hours
Nov 17.2 - 26.6 - 22-23C can be maintained for a few hours
Dec 15.6 - 25.9 - 22-23C can be maintained for a few hours

The above details are the mean maximum and minimum temperatures in Bangalore. The information is available from World Weather Information Service, India Meteorological Department. From the above information, it appears that for more than 100days, PCM Melting at 20C  is workable for free cooling.

In April, May and June, free-cooling can not be made available. PCM Melting at 20C. As a compromise, we may shift the target to 23-24C PCM and use fans.

II. Calculation of Quantity of PCM Required

Air Conditioning Load is stated to be 932 tons AC

1ton = 80Kcal*1000/24 so 932 tons AC is 3106667 Kcal/hr (Refrig. AC is slightly lower)

i.e. No. of Kcal'hr*4.18KJoule/Kcal/3600sec/hr 3607 KJ/sec

At 10hours per day of Cooling or heating cycle it means 129858667 KJ/day

If PCM of 170KJ/Kg is used then we need No. of KJ/day/170 Kg of PCM 763875 Kg of PCM

III. Replacement Air

Human Comfort level is achieved when around 100Whr per person per day is the dissipated by air.

Sp. Heat of Air is 0.25 Kcal/Kg and density is 1.25 Kg/Cu.m.

1 Watt.Hr = 3600 KJ = 861 Kcal

100 Watt.Hr = 360000 KJ = 86100 Kcal

There are 1800 people in the building

So total heat to be dissipated by air is 154980000 Kcal/day or 1800 Kcal/sec

Flow rate of air required to dissipate this quantity of heat is 5740 m^3/sec per degree of temperature rise

For a 2 degree C temperature rise permissible for air, this becomes 2870 m^3/sec

For 2870 m^3/sec of air gushing through a 6000 sq. m. of Void (33% of Ceiling Area) in the ceiling panels its speed will be 0.478 or ~ 0.5 m/sec. We can have higher by recirculation. Turbulence in the Panels can be increased further by recirculation rate.

For a Live-Site Trial of Air-condition Back-up click Phase Change Material PCM for AC Back up in telecom Shelter
For maintaining a Green House at 16C click Green House Cooling by PCM - Phase Change Material
If you are a student of Phase Change Material, please visit FAQ on Phase Change Material - PCM

PCM Phase Change Material Manufacturers:

Teappcm
TEL: 91-22-23770100, 23774610, 23723564. FAX: 91-22-23728264.

Cell Call to Anmol: +91-9821870100
USA & Canadian Customers may Call 773-829-5811

Email: anmol@pcmenergy.com

Copyright and Usual Disclaimer is Applicable.
Last updated: 21 June, 2015.

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