Piping Hydraulic Line Design and Sizing Software KLM Technology Group

Transcription

1 Piping Hydraulic Line Design and Sizing Software KLM Technology Group Practical Engineering Guidelines for Processing Plant Solutions #03-12 Block Aronia, Jalan Sri Perkasa 2 Taman Tampoi Utama Johor Bahru Malaysia SOLUTIONS, STANDARDS AND SOFTWARE

2 Introduction Fluid flow in circular pipes is commonly encountered in actual plant design practice An important practical fluid engineering problem is flow in pipes with various fluids various pipe sizes pipe geometries (fittings, valves, entrance and exit pipe) flow rates Fluid conditions (T and P)

3 Introduction An Hydraulic program assist engineers, operations personnel and maintaincepersonnel in calculating hydraulics problems, which focuses on the engineering uses of fluid properties in industries. Hydraulic program considers: Liquid lines Gas lines

4 Introduction Liquid Line Friction Pressure Loss Gas Line Friction Pressure Los

5 Perform Calculations Calculate pressure loss due to flow Calculate fluid properties at flow conditions Supply pipe sizes Use English or SI engineering units in any mixture Use mass or volume flow units Export data Import data Print / report a calculation Save the data

6 In addition to those, Hydraulic program also specifically provides : Loss per 100 ft End pressure velocities Perform Calculations Cont d

7 Pressure Loss Calculation for Liquids Engineering Units Fluid Properties Calculation Options Input Data Calculate Editing Data Filing and Moving On

8 Mass flow English units Ex. Pounds per hour and degrees Fahrenheit Volume Flow English units Ex. US gallons per minute and degrees Fahrenheit Mass Flow SI units Ex. Kilograms per second and degrees Celsius Volume Flow SI units Ex. Liters per second and degrees Celsius Engineering Units

9 User file units Engineering Units Cont d It is used to customize or change to required units that can be implemented by selecting the option Review units Review units It shows the available options and the current unit selection. To change units : Select the required units Select OK or Save to record the desired units to computer only

10 Fluid Properties Enable when the pressure and temperature are entered Available : Pure Liquids Mixtures

11 Fluid Properties Cont d Pure Liquids Find the desired fluid name Select (or double-click) it The fluid properties will be entered

12 Fluid Properties Cont d Mixtures Select the first component In the component box, enter the percentage Continue until the remaining percentage equals zero Click calculate button in the component box and the program will calculate and enter the mixture values

13 Calculate To obtain calculation results, it can be done by click the Calculate button. Then, the output data will display the results.

14 Select the Pipe I.D Calculation Options

15 Calculation Options Select the Pipe Material. Check the Entranceif it is a large contraction Check the Exitif it is a large expansion

16 Filing and Moving On Program menu It clears the calculation and returns to the main menu. New It clears the screen for a new calculation. Save -It saves a new record if not previously saved or saves changes to an existing record to database. It is also used for saving temporary data, thus, the recorded data can be done printing calculation process. Export data It saves input and output calculation record in *csv file. Import data It opens *csvfile record. Print calculation It is enabled after calculation and save is made. It displays the screen to print a calculation. Exit It leaves the program

17 Pressure Loss Calculation for Gasses Engineering Units Fluid Properties Calculation Options Input Data Calculate Editing Data Filing and Moving On

18 Mass flow English units Ex. Pounds per hour and degrees Fahrenheit Volume Flow English units Ex. Standard cubic feet per minute and degrees Fahrenheit Mass Flow SI units Ex. Kilograms per second and degrees Celcius Volume Flow SI units Ex. Standard cubic decimeters per second and degrees Celcius Engineering Units

19 Engineering Units Cont d User file units It is used to customize or change to required units that can be implemented by selecting the option Review units Review units It shows the available options and the current unit selection. To change units : Select the required units Select OK or Save to record the desired units to computer only

20 Fluid Properties Enable when the pressure and temperature are entered Available : Pure Liquids Mixtures

21 Fluid Properties Cont d Pure Liquids Find the desired fluid name Select (or double-click) it The fluid properties will be entered

22 Fluid Properties Cont d Mixtures Select the first component In the component box, enter the percentage Continue until the remaining percentage equals zero Click calculate button in the component box and the program will calculate and enter the mixture values

23 Select the Pipe I.D Calculation Options

24 Calculation Options Select the Pipe Material. Check the Entranceif it is a large contraction Check the Exitif it is a large expansion

25 To obtain calculation results, it can be done by click the Calculate button. Then, the output data will display the results Calculate

26 Filing and Moving On The options in the File menu are : Program menu It clears the calculation and returns to the main menu. New It clears the screen for a new calculation. Save -It saves a new record if not previously saved or saves changes to an existing record to database. It is also used for saving temporary data, thus, the recorded data can be done printing calculation process. Export data It saves input and output calculation record in *csvor *txt file. Import data It opens *csvor *txt file record. Print calculation It is enabled after calculation and save is made. It displays the screen to print a calculation. Exit It leaves the program

27 Fluid Properties Calculation Routines Fluid materials are obtained by based on temperature dependent equations. 1. Specific gravity Sg = A B 1 T T C n

28 Calculation Routines 2. Viscosity Viscosity of gas is defined as µ gas = A+ BT+ 2 CT Viscosity of liquid is defined as log µ 10 liq = A+ B/ T + CT+ DT 2

29 3. Specific heat ratio k = Cp Cv Cp = Cp R Where heat capacity is determined as Cp = A+ BT + CT 2 + DT 3 + ET 4 Calculation Routines 4. Vapor pressure P v = A+ B/ T+ Clog 10 T+ DT+ ET 2

30 Calculation Routines Pipe pressure loss calculation 1. Reynold Number For liquid 50.6 Q ρ Re= dµ For gas Re= W dµ Laminar : NRe < 2000 Transition : 2000< NRe < 4000 Turbulent : Nre > 4000

31 Calculation Routines Pipe pressure loss calculation 1. Reynold Number For liquid For gas 50.6 Q ρ Re= dµ Re= W dµ Laminar : NRe < 2000 Transition : 2000< NRe< 4000 Turbulent : Nre> 4000

32 2. Friction factor Calculation Routines By knowing flow pattern, Friction factor can be obtained by Laminar flow friction factor f 64 = Re Turbulent flow friction factor f = 2log 7 Re ε + d 2

33 3. The line pressure drop per 100 feet For Liquid P= 2 v f ρ 144 d 2g Calculation Routines For Gas W P= ρ d 5 f

34 Calculation Routines 4. Equivalent line length ( P ) Pin out d f ρ v 2 5. Fluid velocity For liquid v= π Q ( d )

35 Calculation Routines For gas - Sonic velocity v s = k g 1545 Mw o R - Gas velocity v= π d 4W ρ 3600

36 Calculation Routines Nomenclature A, B, C, D, E = regression coefficients for chemical compound Cp = heat capacity of ideal gas, J/mol.K d = inside diameter pipe, in g = gravitational constant, 32.2 ft/s 2 k = specific heat ratio, dimensionless P = pressure, psia Pv = vapor pressure, psia Q = volume flow, USgal/m R = Gas law constant (8.314 KJ/kg.mol.K) Re = Reynold number, dimensionless Tc = critical temperature, K T = temperature, K W = mass flow, lb/h = surface roughness, ft = fluid viscosity, cp = fluid density, lb/ft 3

37 Calculation printout This program will print the input and output calculation data and one associated comment. The comment is included in the data sheet for reference purposes. It also creates the default printout headings. The headings are printed at the top of all printouts. File Save Print Calculation

38 Calculation printout Cont d Save Saves the headings Cancel Returns to the calculation form without printing OK View report calculation, then prints the headings and calculation using the Windows Print Manager.

39 Calculation printout Cont d

40 Importing Data into a calculation To Import process data into a calculation : Make a sequential file for each calculation. Files to have a filename(suggest the tag number) with no extension (eg. H-LineLoss-LiquidFlow-10). Click File Import Data Find the required file. (Using standard Windows procedures)

41 Importing Data into a calculation Cont d Proceed with the calculation and save the data. (Now in the Hydraulics Application)

42 Installation Click Hydraulics Ver1.0_Setup.exe Click Next Enter your registration (Name, Company and Registration code), click Next

43 Installation Cont d Click Next on Directory page Click Start

44 Install On process Installation Cont d

45 if the installation is complete it will display a confirmation, Click Exit Installation Cont d

46 Enter password application and click OK Installation Cont d Applications will be open

47 Piping Hydraulic Line Design and Sizing Software In designing equipment and piping systems, engineers need piping hydraulic line calculation with various variables such as rate, elevation, pipe size, etc. There are many piping systems in industry and conditions such temperature and pressure in the pipes are sometimes updated. This Hydraulic program is very useful to calculate loss pressure per 100 ft, end pressure, and velocities based on conditions input currently.

48 Piping Hydraulic Line Design and Sizing Software Piping Hydraulic Line Design and Sizing Software This is one of the best stand alone line sizing programs available. 1. Liquid and vapor flow options. 2. Multiple units of measure choices -mass or volume 3. Pure components to choose and properties are calculated at your chosen temperature and pressure 4. The ability to choose mixtures based on your chosen percentage, and properties are calculated at your chosen temperate and pressure.

49 Purchasing Software Piping Hydraulic Line Design and Sizing Program USD $ For detailed information : [email protected]

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