How to calculate atmospheric dewpoint of compressed air?

[hedpier]

Ambient air at 35 degree C is compressed to 3.5 bar(g). It is cooled to 12 Deg C by passing throug a heat exchanger using chilled water at 8 degree C. How to calculate the atmosphric dewpoint of this compressed air at outlet of heat exchanger?

[jose regueiro]

I am going to ASSUME ALL CONDENSER WATER AVAILABLE. and Use this
.engineeringtoolbox.com/water-content-compressed-air-d_1275.html[/url]
air out 100% HR
and this to calculate load of air.
.engineeringtoolbox.com/air-temperature-pressure-density-d_771.html[/url]
Sorry mi english

[ibraheem]

I think you will need the Ph chart for compressed air where you can get all air properties like , pressure, enterpy, entropy, DbT,WbT, and dew points

[Abby Normal]

for starters, you will need to know the mositure content of the 35C air that is getting drawn into the compressor

odds are if you are anywhere humid, at 12C the air will be saturated

[info@mmengr.com]

Dear Members I am new one I want to know about the certificate of safe handling I want to get addmission in UK I am in Pakistan working in a HVAC Firm
Thanks

[vishal]

Dear members i am a new user,can you help me out in using refrigerants,that is which gas can be used in place of the other, like R134a gas can be used in R404a if i am not mistaken?

[shooter]

the dewpoint will be close to 8 degrees as this is your water temp , however when changing the pressure it will be lowered.
obviously when pressure is 2 bars the water content is same but the RH will be twice of outside.
When pressure is higher some water will condense and in your cooler a lot of water will condense, when after cooler you use a pressure controller it will be good.
i use starting air of 25 bar for instrument air.

[Toosh]

Hi have a look at this.
http://www.mellcon.com/compressed-air-dewpoint.html
Norm