Simulate a Condenser1 1Simulate a Condenser 1999 AEA Technology plc - All Rights ReservedACOL 2_1.pdf 2Workshop 2WorkshopThe purpose of this module is to simulate a condenser to determine the tubeside outlet temperature for a forced-draught air-cooled heat exchanger that is operating at an altitude of 330 feet.On the tubeside, we are condensing 360,000 lb/hr of vapour. The vapour enters at 155 oF and the liquid leaves at approximately 122 oF. Both the vapour and the liquid are assumed to be saturated; that means that no desuperheating or subcooling is accounted for. The exchanger modeled here is a 4-bay unit with 2 bundles per bay. The tube bundle contains 6 rows and has 3 tubeside passes. In total, 408 tubes are used at a lenth of 354 inches.We will use ACOL to find the tube outlet temperature after we input the required geometrical and process data, ACOL is able to calculate an accurate prediction of tube side pressure drop and outlet temperature.Learning ObjectivesOnce you have completed this section you will be able to: Enter physical properties using the property table. Enter Row and Pass data on the Bundle Specifications tab. Enter Property Data for a two-phase stream.Workshop3 3Building the SimulationClick on New to create a new project file. Notice that the previous workshop is listed as a recently used project file.1. In the Simulation Option field, use the drop down list to select Tubeside Outlet Temperature. 2. Click OK to proceed. 4Workshop 43. The Bundle Geometry screen appears. But before any information is entered, you need to specify which units ACOL should use. For this workshop, we will use British units. Click on Units (at the bottom left corner) and the following screen appears. Change all the units to British/US.4. Click OK and you return to the Bundle Geometry screen shown previously. 5. Enter the nozzle information as shown below.Workshop5 56. Click Next to proceed to Bundle Specification. Enter the details of the number of tubes and passes for the bundle as shown: 7. When you click on Apply, you may notice a screen appear behind Bundle Geometry; this is the Pass Layout screen.In the previous module, you had to modify the Pass information. In this module, the Pass information was defined on the Bundle Specification tab. When there are many tubes and rows in a bundle, it is more convenient to let ACOL design the bundle.8. Click OK and close the Pass Layout window. 6Workshop 69. Click on the Tube Details tab. Enter the remaining geometric data and the process conditions for the tubeside (ensure that your units are British). 10. Click Apply. Since we do not need to enter any information on the Material Properties window, click on the Next button twice. The Extended Surfaces window appears. Enter the following values. 11. Click Apply and then click Next.Workshop7 712. At the ACHE Geometry window, enter the Number of Bays per Unit, Number of Bundles per Bay, and the Number of Fans per Bay. The other values are default and may be left as such.13. Click Apply. Click Next. We do not need to enter any Fan Details so click Next again.14. We can now enter the process data for the Tubeside stream and the X-side stream as shown below. 15. Click Apply. Click on the Tubeside Fouling tab. 8Workshop 816. For the tubeside fouling, enter the Fouling Resistance as 0.00156 h ft2 oF/Btu.17. Click Apply and proceed to the Air Stream Conditions. Enter the Inlet Dry Bulb Design Temperature as 91.4oF. 18. Click Apply. 19. After Process Data is Distribution Data and Options. Since we do not need to enter any information for these, we can quickly skip ahead by using Input on the main menu. Open the Input menu and select Physical Property Data.Workshop9 920. Enter the physical property data on the Tubeside stream and click Apply. 21. Click on the Property Table button. Click on the Heat Load radio button and add the Flowrate at the bottom. Ensure that the Density radio button is also selected. Enter the table values. 22. Click OK. The Hydrocarbon window closes and you return to the Properties window. Click Apply. 10Workshop 10Now that all the data has been entered, we can run the program. Just to make sure that we clicked Apply on all the windows, close any windows by clicking Apply or OK. Once all the windows are closed, save your case.Running the FileRun this file by clicking on the Run button on the main toolbar, or open the Run menu and select Calculate All. As ACOL prepares the file, it displays its progress in the following window.The Status window should indicate ACOL successfully complete. If there are any errors, an error message box will help you solve them.Save your case!Run buttonWorkshop11 11If there are any errors, you have to solve them, save the file, and then re-run. The following Summary window should appear. 12Workshop 12