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  1. jcazenave

    comparision of heat exchanger design softwares

    Aspentech does handle condensation on air with extended surface, unless you are talking of non round tubes. Finding errors always happen in software, the real question is did aspentech fixed them after you told them...
  2. jcazenave

    HTRI or ASPEN - CLOSED FEEDWATER HEATERS

    Aspen offers a special tool for feedwater exchanger (up to 3 zones), you can contact them to check if it fits your requirement.
  3. jcazenave

    HEAT EXCHANGER Software PRICE

    Hi I am not sure I agree with Pastil. I dont see any advantage to have 2 software providers when you can get the 2 from one vendor. AspenTech offers both thermo and mechanical tools. However I do agree with him when it says it can be expensive. To be sure, you can contact the companies and...
  4. jcazenave

    Heat Exchanger / Rod baffle design

    The latest version of HTFS now call Aspen SHell & Tube exchanger does support single and 2 phases calculation for Rod Baffle. As Unclesyd said, if you have any question do not hesitate to contact Aspentech support, they should have your answer.
  5. jcazenave

    Heat Pump with CO2 as Refrigerant

    it seems that you didnt define an inlet stream, as such there is no flow going through your process. you need to have a stream get in the first block with the definition of the stream composition and process condition. Hope it helps
  6. jcazenave

    Pressure Drop in Heat Exchanger and flow at outlet

    I disagree if you keep the same number of passes and increases the number of plates (channels) the pressure drop will decrease and the local heat transfer will decrease. However the overall surface will increase and the overall heat transfer is likely to increase. the pressure drop is the sum...
  7. jcazenave

    HX Dirty Overall Coefficient Question

    Hi the result means that the exchanger doesnt have enough surface for the specified fouling. The service results are based on using the "required" surface with the fouled condition. The dirty is using the real surface of the exchanger with the fouled condition the clean is using the real...

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