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+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + +
+ + ASPEN PLUS CALCULATION REPORT + +
+ + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
ASPEN PLUS IS A TRADEMARK OF HOTLINE:
ASPEN TECHNOLOGY, INC. U.S.A. 888/996-7100
781/221-6400 EUROPE (44) 1189-226555
PLATFORM: WINDOWS FEBRUARY 3, 2020
VERSION: 36.0 Build 254 Patchlevel 4 MONDAY
INSTALLATION: 7:02:54 P.M.
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE I
RANKINE POWERPLANT
ASPEN PLUS (R) IS A PROPRIETARY PRODUCT OF ASPEN TECHNOLOGY, INC.
(ASPENTECH), AND MAY BE USED ONLY UNDER AGREEMENT WITH ASPENTECH.
RESTRICTED RIGHTS LEGEND: USE, REPRODUCTION, OR DISCLOSURE BY THE
U.S. GOVERNMENT IS SUBJECT TO RESTRICTIONS SET FORTH IN
(i) FAR 52.227-14, Alt. III, (ii) FAR 52.227-19, (iii) DFARS
252.227-7013(c)(1)(ii), or (iv) THE ACCOMPANYING LICENSE AGREEMENT,
AS APPLICABLE. FOR PURPOSES OF THE FAR, THIS SOFTWARE SHALL BE DEEMED
TO BE "UNPUBLISHED" AND LICENSED WITH DISCLOSURE PROHIBITIONS.
CONTRACTOR/SUBCONTRACTOR: ASPEN TECHNOLOGY, INC. 20 CROSBY DRIVE,
BEDFORD, MA 01730.
TABLE OF CONTENTS
RUN CONTROL SECTION.................................... 1
RUN CONTROL INFORMATION........................... 1
DESCRIPTION....................................... 1
FLOWSHEET SECTION...................................... 2
FLOWSHEET CONNECTIVITY BY STREAMS................. 2
FLOWSHEET CONNECTIVITY BY BLOCKS.................. 2
CONVERGENCE STATUS SUMMARY........................ 2
DESIGN-SPEC: DS-1................................ 2
CONVERGENCE BLOCK: $OLVER01...................... 3
COMPUTATIONAL SEQUENCE............................ 3
OVERALL FLOWSHEET BALANCE......................... 3
PHYSICAL PROPERTIES SECTION............................ 5
COMPONENTS........................................ 5
U-O-S BLOCK SECTION.................................... 6
BLOCK: B1 MODEL: PUMP...................... 6
BLOCK: B2 MODEL: HEATX..................... 7
HEATX COLD-TQCU B2 TQCURV INLET............. 9
HEATX HOT-TQCUR B2 TQCURV INLET............. 10
BLOCK: B3 MODEL: HEATER.................... 10
BLOCK: B4 MODEL: COMPR..................... 11
BLOCK: B5 MODEL: HEATER.................... 13
BLOCK: B6 MODEL: RSTOIC.................... 14
STREAM SECTION......................................... 16
1 2 3 4 5......................................... 16
6 7 8 9........................................... 17
Q................................................. 18
PROBLEM STATUS SECTION................................. 19
BLOCK STATUS...................................... 19
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 1
RANKINE POWERPLANT
RUN CONTROL SECTION
RUN CONTROL INFORMATION
-----------------------
THIS COPY OF ASPEN PLUS LICENSED TO NORTH CAROLINA STATE UNI
TYPE OF RUN: NEW
INPUT FILE NAME: _5241xgp.inm
OUTPUT PROBLEM DATA FILE NAME: _5241xgp
LOCATED IN:
PDF SIZE USED FOR INPUT TRANSLATION:
NUMBER OF FILE RECORDS (PSIZE) = 0
NUMBER OF IN-CORE RECORDS = 256
PSIZE NEEDED FOR SIMULATION = 256
CALLING PROGRAM NAME: apmain
LOCATED IN: C:\Program Files (x86)\AspenTech\Aspen Plus V10.0\Engine\\xeq
SIMULATION REQUESTED FOR ENTIRE FLOWSHEET
DESCRIPTION
-----------
Chemical Simulation with English Units : F, psi, lb/hr, lbmol/hr,
Btu/hr, cuft/hr. Property Method: NRTL Flow basis for input: Mole
Stream report composition: Mole flow
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 2
RANKINE POWERPLANT
FLOWSHEET SECTION
FLOWSHEET CONNECTIVITY BY STREAMS
---------------------------------
STREAM SOURCE DEST STREAM SOURCE DEST
1 ---- B1 7 ---- B6
2 B1 B2 9 B2 ----
3 B2 B3 4 B3 B4
5 B4 B5 6 B5 ----
8 B6 B2 Q B6 B3
FLOWSHEET CONNECTIVITY BY BLOCKS
--------------------------------
BLOCK INLETS OUTLETS
B1 1 2
B2 8 2 9 3
B3 3 Q 4
B4 4 5
B5 5 6
B6 7 8 Q
CONVERGENCE STATUS SUMMARY
--------------------------
DESIGN-SPEC SUMMARY
===================
DESIGN CONV
SPEC ERROR TOLERANCE ERR/TOL VARIABLE STAT BLOCK
------ ----- --------- ------- -------- ---- -----
DS-1 -0.26329E-01 0.50000 -0.52659E-01 579.61 # $OLVER01
# = CONVERGED
* = NOT CONVERGED
LB = AT LOWER BOUNDS
UB = AT UPPER BOUNDS
DESIGN-SPEC: DS-1
------------------
SAMPLED VARIABLES:
T4 : TEMPERATURE IN STREAM 4 SUBSTREAM MIXED
SPECIFICATION:
MAKE T4 APPROACH 800.000
WITHIN 0.50000
MANIPULATED VARIABLES:
VARY : TOTAL MOLEFLOW IN STREAM 7 SUBSTREAM MIXED
LOWER LIMIT = 300.000 LBMOL/HR
UPPER LIMIT = 1,000.00 LBMOL/HR
FINAL VALUE = 579.609 LBMOL/HR
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 3
RANKINE POWERPLANT
FLOWSHEET SECTION
DESIGN-SPEC: DS-1 (CONTINUED)
VALUES OF ACCESSED FORTRAN VARIABLES:
VARIABLE VALUE AT START FINAL VALUE UNITS
OF LOOP
-------- -------------- ----------- -----
T4 544.201 799.974 F
CONVERGENCE BLOCK: $OLVER01
----------------------------
SPECS: DS-1
MAXIT= 30 STEP-SIZE= 1.0000 % OF RANGE
MAX-STEP= 100. % OF RANGE
XTOL= 1.000000E-08
THE NEW ALGORITHM WAS USED WITH BRACKETING=NO
METHOD: SECANT STATUS: CONVERGED
TOTAL NUMBER OF ITERATIONS: 5
*** FINAL VALUES ***
VAR# MANIPUL/TEAR-VAR VARIABLE DESCRIPTION UNIT VALUE PREV VALUE ERR/TOL
---- ---------------- ------------------------- ----------- ------------ ------------ ------------
1 TOTAL MOLEFLOW 7.MIXED.TOTAL.MOLEFLOW LBMOL/HR 579.6094 580.4232 -5.2659-02
*** ITERATION HISTORY ***
DESIGN-SPEC ID: DS-1
ITERATED: TOTAL MOLEFLOW IN STREAM 7 SUBSTREAM MIXED
ITERATION VARIABLE ERROR ERR/TOL
--------- -------- ----- -------
1 500.0 -255.8 -511.6
2 507.0 -236.9 -473.7
3 594.5 53.52 107.0
4 580.4 2.875 5.751
5 579.6 -0.2633E-01 -0.5266E-01
COMPUTATIONAL SEQUENCE
----------------------
SEQUENCE USED WAS:
B1
$OLVER01 B6 B2 B3
(RETURN $OLVER01)
B4 B5
OVERALL FLOWSHEET BALANCE
-------------------------
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 4
RANKINE POWERPLANT
FLOWSHEET SECTION
OVERALL FLOWSHEET BALANCE (CONTINUED)
*** MASS AND ENERGY BALANCE ***
IN OUT GENERATION RELATIVE DIFF.
CONVENTIONAL COMPONENTS
(LBMOL/HR)
CH4 52.6865 0.00000 -52.6865 0.00000
O2 110.647 5.27445 -105.373 0.144488E-15
CO2 0.00000 52.6865 52.6865 0.00000
H2O 824.300 929.673 105.373 -0.122287E-15
N2 416.275 416.275 0.00000 0.00000
TOTAL BALANCE
MOLE(LBMOL/HR) 1403.91 1403.91 0.137679E-13 0.00000
MASS(LB/HR ) 30897.1 30897.1 0.235490E-15
ENTHALPY(BTU/HR ) -0.999499E+08 -0.118147E+09 0.154023
*** CO2 EQUIVALENT SUMMARY ***
FEED STREAMS CO2E 21130.9 LB/HR
PRODUCT STREAMS CO2E 2318.72 LB/HR
NET STREAMS CO2E PRODUCTION -18812.2 LB/HR
UTILITIES CO2E PRODUCTION 0.00000 LB/HR
TOTAL CO2E PRODUCTION -18812.2 LB/HR
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 5
RANKINE POWERPLANT
PHYSICAL PROPERTIES SECTION
COMPONENTS
----------
ID TYPE ALIAS NAME
CH4 C CH4 METHANE
O2 C O2 OXYGEN
CO2 C CO2 CARBON-DIOXIDE
H2O C H2O WATER
N2 C N2 NITROGEN
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 6
RANKINE POWERPLANT
U-O-S BLOCK SECTION
BLOCK: B1 MODEL: PUMP
----------------------------
INLET STREAM: 1
OUTLET STREAM: 2
PROPERTY OPTION SET: STEAM-TA ASME STEAM TABLE EQUATION OF STATE
*** MASS AND ENERGY BALANCE ***
IN OUT RELATIVE DIFF.
TOTAL BALANCE
MOLE(LBMOL/HR) 824.300 824.300 0.00000
MASS(LB/HR ) 14850.0 14850.0 0.00000
ENTHALPY(BTU/HR ) -0.980736E+08 -0.980368E+08 -0.375722E-03
*** CO2 EQUIVALENT SUMMARY ***
FEED STREAMS CO2E 0.00000 LB/HR
PRODUCT STREAMS CO2E 0.00000 LB/HR
NET STREAMS CO2E PRODUCTION 0.00000 LB/HR
UTILITIES CO2E PRODUCTION 0.00000 LB/HR
TOTAL CO2E PRODUCTION 0.00000 LB/HR
*** INPUT DATA ***
OUTLET PRESSURE PSIA 600.000
PUMP EFFICIENCY 0.70000
DRIVER EFFICIENCY 1.00000
FLASH SPECIFICATIONS:
LIQUID PHASE CALCULATION
NO FLASH PERFORMED
MAXIMUM NUMBER OF ITERATIONS 30
TOLERANCE 0.000100000
*** RESULTS ***
VOLUMETRIC FLOW RATE CUFT/HR 258.127
PRESSURE CHANGE PSI 540.000
NPSH AVAILABLE FT-LBF/LB 0.0
FLUID POWER HP 10.1374
BRAKE POWER HP 14.4820
ELECTRICITY KW 10.7992
PUMP EFFICIENCY USED 0.70000
NET WORK REQUIRED HP 14.4820
HEAD DEVELOPED FT-LBF/LB 1,351.65
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 7
RANKINE POWERPLANT
U-O-S BLOCK SECTION
BLOCK: B2 MODEL: HEATX
-----------------------------
HOT SIDE:
---------
INLET STREAM: 8
OUTLET STREAM: 9
PROPERTY OPTION SET: STEAM-TA ASME STEAM TABLE EQUATION OF STATE
COLD SIDE:
----------
INLET STREAM: 2
OUTLET STREAM: 3
PROPERTY OPTION SET: STEAM-TA ASME STEAM TABLE EQUATION OF STATE
*** MASS AND ENERGY BALANCE ***
IN OUT RELATIVE DIFF.
TOTAL BALANCE
MOLE(LBMOL/HR) 1403.91 1403.91 0.00000
MASS(LB/HR ) 30897.1 30897.1 0.00000
ENTHALPY(BTU/HR ) -0.114237E+09 -0.114237E+09 0.00000
*** CO2 EQUIVALENT SUMMARY ***
FEED STREAMS CO2E 2318.72 LB/HR
PRODUCT STREAMS CO2E 2318.72 LB/HR
NET STREAMS CO2E PRODUCTION 0.00000 LB/HR
UTILITIES CO2E PRODUCTION 0.00000 LB/HR
TOTAL CO2E PRODUCTION 0.00000 LB/HR
*** INPUT DATA ***
FLASH SPECS FOR HOT SIDE:
TWO PHASE FLASH
MAXIMUM NO. ITERATIONS 30
CONVERGENCE TOLERANCE 0.000100000
FLASH SPECS FOR COLD SIDE:
TWO PHASE FLASH
MAXIMUM NO. ITERATIONS 30
CONVERGENCE TOLERANCE 0.000100000
FLOW DIRECTION AND SPECIFICATION:
COUNTERCURRENT HEAT EXCHANGER
SPECIFIED HOT OUTLET TEMP
SPECIFIED VALUE F 320.0000
LMTD CORRECTION FACTOR 1.00000
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 8
RANKINE POWERPLANT
U-O-S BLOCK SECTION
BLOCK: B2 MODEL: HEATX (CONTINUED)
PRESSURE SPECIFICATION:
HOT SIDE PRESSURE DROP PSI 0.0000
COLD SIDE PRESSURE DROP PSI 0.0000
HEAT TRANSFER COEFFICIENT SPECIFICATION:
OVERALL COEFFICIENT BTU/HR-SQFT-R 100.0000
*** OVERALL RESULTS ***
STREAMS:
--------------------------------------
| |
8 ----->| HOT |-----> 9
T= 9.0000D+02 | | T= 3.2000D+02
P= 1.4696D+01 | | P= 1.4696D+01
V= 1.0000D+00 | | V= 1.0000D+00
| |
3 <-----| COLD |<----- 2
T= 4.6187D+02 | | T= 2.9412D+02
P= 6.0000D+02 | | P= 6.0000D+02
V= 0.0000D+00 | | V= 0.0000D+00
--------------------------------------
DUTY AND AREA:
CALCULATED HEAT DUTY BTU/HR 2656938.8825
CALCULATED (REQUIRED) AREA SQFT 182.3356
ACTUAL EXCHANGER AREA SQFT 182.3356
PER CENT OVER-DESIGN 0.0000
HEAT TRANSFER COEFFICIENT:
AVERAGE COEFFICIENT (DIRTY) BTU/HR-SQFT-R 100.0000
UA (DIRTY) BTU/HR-R 18233.5564
LOG-MEAN TEMPERATURE DIFFERENCE:
LMTD CORRECTION FACTOR 1.0000
LMTD (CORRECTED) F 145.7170
NUMBER OF SHELLS IN SERIES 1
PRESSURE DROP:
HOTSIDE, TOTAL PSI 0.0000
COLDSIDE, TOTAL PSI 0.0000
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 9
RANKINE POWERPLANT
U-O-S BLOCK SECTION
HEATX COLD-TQCU B2 TQCURV INLET
-------------------------------------
PRESSURE PROFILE: CONSTANT2
PRESSURE DROP: 0.0 PSI
PROPERTY OPTION SET: STEAM-TA ASME STEAM TABLE EQUATION OF STATE
-----------------------------------------------------
! DUTY ! PRES ! TEMP ! VFRAC !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! BTU/HR ! PSIA ! F ! !
! ! ! ! !
!============!============!============!============!
! 0.0 ! 600.0000 ! 461.8692 ! 0.0 !
! 1.2652+05 ! 600.0000 ! 454.3262 ! 0.0 !
! 2.5304+05 ! 600.0000 ! 446.7244 ! 0.0 !
! 3.7956+05 ! 600.0000 ! 439.0666 ! 0.0 !
! 5.0608+05 ! 600.0000 ! 431.3555 ! 0.0 !
!------------+------------+------------+------------!
! 6.3260+05 ! 600.0000 ! 423.5937 ! 0.0 !
! 7.5913+05 ! 600.0000 ! 415.7834 ! 0.0 !
! 8.8565+05 ! 600.0000 ! 407.9270 ! 0.0 !
! 1.0122+06 ! 600.0000 ! 400.0266 ! 0.0 !
! 1.1387+06 ! 600.0000 ! 392.0842 ! 0.0 !
!------------+------------+------------+------------!
! 1.2652+06 ! 600.0000 ! 384.1019 ! 0.0 !
! 1.3917+06 ! 600.0000 ! 376.0814 ! 0.0 !
! 1.5183+06 ! 600.0000 ! 368.0244 ! 0.0 !
! 1.6448+06 ! 600.0000 ! 359.9326 ! 0.0 !
! 1.7713+06 ! 600.0000 ! 351.8076 ! 0.0 !
!------------+------------+------------+------------!
! 1.8978+06 ! 600.0000 ! 343.6509 ! 0.0 !
! 2.0243+06 ! 600.0000 ! 335.4639 ! 0.0 !
! 2.1509+06 ! 600.0000 ! 327.2480 ! 0.0 !
! 2.2774+06 ! 600.0000 ! 319.0046 ! 0.0 !
! 2.4039+06 ! 600.0000 ! 310.7350 ! 0.0 !
!------------+------------+------------+------------!
! 2.5304+06 ! 600.0000 ! 302.4404 ! 0.0 !
! 2.6569+06 ! 600.0000 ! 294.1221 ! 0.0 !
-----------------------------------------------------
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 10
RANKINE POWERPLANT
U-O-S BLOCK SECTION
HEATX HOT-TQCUR B2 TQCURV INLET
-------------------------------------
PRESSURE PROFILE: CONSTANT2
PRESSURE DROP: 0.0 PSI
PROPERTY OPTION SET: STEAM-TA ASME STEAM TABLE EQUATION OF STATE
-----------------------------------------------------
! DUTY ! PRES ! TEMP ! VFRAC !
! ! ! ! !
! ! ! ! !
! ! ! ! !
! BTU/HR ! PSIA ! F ! !
! ! ! ! !
!============!============!============!============!
! 0.0 ! 14.6959 ! 900.0000 ! 1.0000 !
! 1.2652+05 ! 14.6959 ! 873.2568 ! 1.0000 !
! 2.5304+05 ! 14.6959 ! 846.4144 ! 1.0000 !
! 3.7956+05 ! 14.6959 ! 819.4720 ! 1.0000 !
! 5.0608+05 ! 14.6959 ! 792.4289 ! 1.0000 !
!------------+------------+------------+------------!
! 6.3260+05 ! 14.6959 ! 765.2847 ! 1.0000 !
! 7.5913+05 ! 14.6959 ! 738.0397 ! 1.0000 !
! 8.8565+05 ! 14.6959 ! 710.6944 ! 1.0000 !
! 1.0122+06 ! 14.6959 ! 683.2497 ! 1.0000 !
! 1.1387+06 ! 14.6959 ! 655.7076 ! 1.0000 !
!------------+------------+------------+------------!
! 1.2652+06 ! 14.6959 ! 628.0705 ! 1.0000 !
! 1.3917+06 ! 14.6959 ! 600.3420 ! 1.0000 !
! 1.5183+06 ! 14.6959 ! 572.5268 ! 1.0000 !
! 1.6448+06 ! 14.6959 ! 544.6308 ! 1.0000 !
! 1.7713+06 ! 14.6959 ! 516.6619 ! 1.0000 !
!------------+------------+------------+------------!
! 1.8978+06 ! 14.6959 ! 488.6296 ! 1.0000 !
! 2.0243+06 ! 14.6959 ! 460.5460 ! 1.0000 !
! 2.1509+06 ! 14.6959 ! 432.4258 ! 1.0000 !
! 2.2774+06 ! 14.6959 ! 404.2871 ! 1.0000 !
! 2.4039+06 ! 14.6959 ! 376.1516 ! 1.0000 !
!------------+------------+------------+------------!
! 2.5304+06 ! 14.6959 ! 348.0455 ! 1.0000 !
! 2.6569+06 ! 14.6959 ! 320.0000 ! 1.0000 !
-----------------------------------------------------
BLOCK: B3 MODEL: HEATER
------------------------------
INLET STREAM: 3
INLET HEAT STREAM: Q
OUTLET STREAM: 4
PROPERTY OPTION SET: STEAM-TA ASME STEAM TABLE EQUATION OF STATE
*** MASS AND ENERGY BALANCE ***
IN OUT RELATIVE DIFF.
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 11
RANKINE POWERPLANT
U-O-S BLOCK SECTION
BLOCK: B3 MODEL: HEATER (CONTINUED)
TOTAL BALANCE
MOLE(LBMOL/HR) 824.300 824.300 0.00000
MASS(LB/HR ) 14850.0 14850.0 0.00000
ENTHALPY(BTU/HR ) -0.810559E+08 -0.810559E+08 -0.183838E-15
*** CO2 EQUIVALENT SUMMARY ***
FEED STREAMS CO2E 0.00000 LB/HR
PRODUCT STREAMS CO2E 0.00000 LB/HR
NET STREAMS CO2E PRODUCTION 0.00000 LB/HR
UTILITIES CO2E PRODUCTION 0.00000 LB/HR
TOTAL CO2E PRODUCTION 0.00000 LB/HR
*** INPUT DATA ***
TWO PHASE PQ FLASH
SPECIFIED PRESSURE PSIA 600.000
DUTY FROM INLET HEAT STREAM(S) BTU/HR 0.143239+08
MAXIMUM NO. ITERATIONS 30
CONVERGENCE TOLERANCE 0.000100000
*** RESULTS ***
OUTLET TEMPERATURE F 799.97
OUTLET PRESSURE PSIA 600.00
OUTLET VAPOR FRACTION 1.0000
V-L PHASE EQUILIBRIUM :
COMP F(I) X(I) Y(I) K(I)
H2O 1.0000 1.0000 1.0000 1.6775
BLOCK: B4 MODEL: COMPR
-----------------------------
INLET STREAM: 4
OUTLET STREAM: 5
PROPERTY OPTION SET: STEAM-TA ASME STEAM TABLE EQUATION OF STATE
*** MASS AND ENERGY BALANCE ***
IN OUT RELATIVE DIFF.
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 12
RANKINE POWERPLANT
U-O-S BLOCK SECTION
BLOCK: B4 MODEL: COMPR (CONTINUED)
TOTAL BALANCE
MOLE(LBMOL/HR) 824.300 824.300 0.00000
MASS(LB/HR ) 14850.0 14850.0 0.00000
ENTHALPY(BTU/HR ) -0.810559E+08 -0.835942E+08 0.303645E-01
*** CO2 EQUIVALENT SUMMARY ***
FEED STREAMS CO2E 0.00000 LB/HR
PRODUCT STREAMS CO2E 0.00000 LB/HR
NET STREAMS CO2E PRODUCTION 0.00000 LB/HR
UTILITIES CO2E PRODUCTION 0.00000 LB/HR
TOTAL CO2E PRODUCTION 0.00000 LB/HR
*** INPUT DATA ***
ISENTROPIC TURBINE
OUTLET PRESSURE PSIA 60.0000
ISENTROPIC EFFICIENCY 0.72000
MECHANICAL EFFICIENCY 1.00000
*** RESULTS ***
INDICATED HORSEPOWER REQUIREMENT HP -997.587
BRAKE HORSEPOWER REQUIREMENT HP -997.587
NET WORK REQUIRED HP -997.587
POWER LOSSES HP 0.0
ISENTROPIC HORSEPOWER REQUIREMENT HP -1,385.54
CALCULATED OUTLET TEMP F 407.964
ISENTROPIC TEMPERATURE F 292.692
EFFICIENCY (POLYTR/ISENTR) USED 0.72000
OUTLET VAPOR FRACTION 1.00000
HEAD DEVELOPED, FT-LBF/LB -184,738.
MECHANICAL EFFICIENCY USED 1.00000
INLET HEAT CAPACITY RATIO 1.35207
INLET VOLUMETRIC FLOW RATE , CUFT/HR 17,659.7
OUTLET VOLUMETRIC FLOW RATE, CUFT/HR 125,311.
INLET COMPRESSIBILITY FACTOR 0.95092
OUTLET COMPRESSIBILITY FACTOR 0.97963
AV. ISENT. VOL. EXPONENT 1.28629
AV. ISENT. TEMP EXPONENT 1.28836
AV. ACTUAL VOL. EXPONENT 1.17508
AV. ACTUAL TEMP EXPONENT 1.19319
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 13
RANKINE POWERPLANT
U-O-S BLOCK SECTION
BLOCK: B4 MODEL: COMPR (CONTINUED)
BLOCK: B5 MODEL: HEATER
------------------------------
INLET STREAM: 5
OUTLET STREAM: 6
PROPERTY OPTION SET: STEAM-TA ASME STEAM TABLE EQUATION OF STATE
*** MASS AND ENERGY BALANCE ***
IN OUT RELATIVE DIFF.
TOTAL BALANCE
MOLE(LBMOL/HR) 824.300 824.300 0.00000
MASS(LB/HR ) 14850.0 14850.0 0.00000
ENTHALPY(BTU/HR ) -0.835942E+08 -0.992902E+08 0.158082
*** CO2 EQUIVALENT SUMMARY ***
FEED STREAMS CO2E 0.00000 LB/HR
PRODUCT STREAMS CO2E 0.00000 LB/HR
NET STREAMS CO2E PRODUCTION 0.00000 LB/HR
UTILITIES CO2E PRODUCTION 0.00000 LB/HR
TOTAL CO2E PRODUCTION 0.00000 LB/HR
*** INPUT DATA ***
TWO PHASE PV FLASH
SPECIFIED PRESSURE PSIA 14.6959
VAPOR FRACTION 0.0
MAXIMUM NO. ITERATIONS 30
CONVERGENCE TOLERANCE 0.000100000
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 14
RANKINE POWERPLANT
U-O-S BLOCK SECTION
BLOCK: B5 MODEL: HEATER (CONTINUED)
*** RESULTS ***
OUTLET TEMPERATURE F 211.98
OUTLET PRESSURE PSIA 14.696
HEAT DUTY BTU/HR -0.15696E+08
OUTLET VAPOR FRACTION 0.0000
V-L PHASE EQUILIBRIUM :
COMP F(I) X(I) Y(I) K(I)
H2O 1.0000 1.0000 1.0000 0.99998
BLOCK: B6 MODEL: RSTOIC
------------------------------
INLET STREAM: 7
OUTLET STREAM: 8
OUTLET HEAT STREAM: Q
PROPERTY OPTION SET: STEAM-TA ASME STEAM TABLE EQUATION OF STATE
*** MASS AND ENERGY BALANCE ***
IN OUT GENERATION RELATIVE DIFF.
TOTAL BALANCE
MOLE(LBMOL/HR) 579.609 579.609 0.137679E-13 0.00000
MASS(LB/HR ) 16047.1 16047.1 0.226706E-15
ENTHALPY(BTU/HR ) -0.187631E+07 -0.187631E+07 0.173725E-14
*** CO2 EQUIVALENT SUMMARY ***
FEED STREAMS CO2E 21130.9 LB/HR
PRODUCT STREAMS CO2E 2318.72 LB/HR
NET STREAMS CO2E PRODUCTION -18812.2 LB/HR
UTILITIES CO2E PRODUCTION 0.00000 LB/HR
TOTAL CO2E PRODUCTION -18812.2 LB/HR
*** INPUT DATA ***
STOICHIOMETRY MATRIX:
REACTION # 1:
SUBSTREAM MIXED :
CH4 -1.00 O2 -2.00 CO2 1.00 H2O 2.00
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 15
RANKINE POWERPLANT
U-O-S BLOCK SECTION
BLOCK: B6 MODEL: RSTOIC (CONTINUED)
REACTION CONVERSION SPECS: NUMBER= 1
REACTION # 1:
SUBSTREAM:MIXED KEY COMP:CH4 CONV FRAC: 1.000
TWO PHASE TP FLASH
SPECIFIED TEMPERATURE F 900.000
SPECIFIED PRESSURE PSIA 14.6959
MAXIMUM NO. ITERATIONS 30
CONVERGENCE TOLERANCE 0.000100000
SIMULTANEOUS REACTIONS
GENERATE COMBUSTION REACTIONS FOR FEED SPECIES NO
*** RESULTS ***
OUTLET TEMPERATURE F 900.00
OUTLET PRESSURE PSIA 14.696
HEAT DUTY BTU/HR -0.14324E+08
VAPOR FRACTION 1.0000
REACTION EXTENTS:
REACTION REACTION
NUMBER EXTENT
LBMOL/HR
1 52.686
V-L PHASE EQUILIBRIUM :
COMP F(I) X(I) Y(I) K(I)
O2 0.91000E-02 0.91000E-02 0.91000E-02 MISSING
CO2 0.90900E-01 0.90900E-01 0.90900E-01 MISSING
H2O 0.18180 0.18180 0.18180 MISSING
N2 0.71820 0.71820 0.71820 MISSING
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 16
RANKINE POWERPLANT
STREAM SECTION
1 2 3 4 5
---------
STREAM ID 1 2 3 4 5
FROM : ---- B1 B2 B3 B4
TO : B1 B2 B3 B4 B5
SUBSTREAM: MIXED
PHASE: LIQUID LIQUID LIQUID VAPOR VAPOR
COMPONENTS: LBMOL/HR
CH4 0.0 0.0 0.0 0.0 0.0
O2 0.0 0.0 0.0 0.0 0.0
CO2 0.0 0.0 0.0 0.0 0.0
H2O 824.3003 824.3003 824.3003 824.3003 824.3003
N2 0.0 0.0 0.0 0.0 0.0
TOTAL FLOW:
LBMOL/HR 824.3003 824.3003 824.3003 824.3003 824.3003
LB/HR 1.4850+04 1.4850+04 1.4850+04 1.4850+04 1.4850+04
CUFT/HR 258.1275 257.7379 291.4459 1.7660+04 1.2531+05
STATE VARIABLES:
TEMP F 292.6917 294.1221 461.8692 799.9737 407.9639
PRES PSIA 60.0000 600.0000 600.0000 600.0000 60.0000
VFRAC 0.0 0.0 0.0 1.0000 1.0000
LFRAC 1.0000 1.0000 1.0000 0.0 0.0
SFRAC 0.0 0.0 0.0 0.0 0.0
ENTHALPY:
BTU/LBMOL -1.1898+05 -1.1893+05 -1.1571+05 -9.8333+04 -1.0141+05
BTU/LB -6604.2835 -6601.8021 -6422.8837 -5458.3130 -5629.2418
BTU/HR -9.8074+07 -9.8037+07 -9.5380+07 -8.1056+07 -8.3594+07
ENTROPY:
BTU/LBMOL-R -32.8754 -32.8584 -29.0040 -11.1191 -9.6264
BTU/LB-R -1.8249 -1.8239 -1.6100 -0.6172 -0.5343
DENSITY:
LBMOL/CUFT 3.1934 3.1982 2.8283 4.6677-02 6.5780-03
LB/CUFT 57.5297 57.6167 50.9529 0.8409 0.1185
AVG MW 18.0153 18.0153 18.0153 18.0153 18.0153
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 17
RANKINE POWERPLANT
STREAM SECTION
6 7 8 9
-------
STREAM ID 6 7 8 9
FROM : B5 ---- B6 B2
TO : ---- B6 B2 ----
SUBSTREAM: MIXED
PHASE: LIQUID VAPOR VAPOR VAPOR
COMPONENTS: LBMOL/HR
CH4 0.0 52.6865 0.0 0.0
O2 0.0 110.6474 5.2744 5.2744
CO2 0.0 0.0 52.6865 52.6865
H2O 824.3003 0.0 105.3730 105.3730
N2 0.0 416.2755 416.2755 416.2755
TOTAL FLOW:
LBMOL/HR 824.3003 579.6094 579.6094 579.6094
LB/HR 1.4850+04 1.6047+04 1.6047+04 1.6047+04
CUFT/HR 248.2676 7.4926+04 5.7496+05 3.2743+05
STATE VARIABLES:
TEMP F 211.9832 70.0000 900.0000 320.0000
PRES PSIA 14.6959 1.0000 14.6959 14.6959
VFRAC 0.0 1.0000 1.0000 1.0000
LFRAC 1.0000 0.0 0.0 0.0
SFRAC 0.0 0.0 0.0 0.0
ENTHALPY:
BTU/LBMOL -1.2045+05 -3237.1994 -2.7950+04 -3.2534+04
BTU/LB -6686.2109 -116.9249 -1009.5369 -1175.1077
BTU/HR -9.9290+07 -1.8763+06 -1.6200+07 -1.8857+07
ENTROPY:
BTU/LBMOL-R -34.9460 -3.3954 6.8310 2.4466
BTU/LB-R -1.9398 -0.1226 0.2467 8.8369-02
DENSITY:
LBMOL/CUFT 3.3202 7.7358-03 1.0081-03 1.7702-03
LB/CUFT 59.8145 0.2142 2.7910-02 4.9009-02
AVG MW 18.0153 27.6861 27.6861 27.6861
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 18
RANKINE POWERPLANT
STREAM SECTION
Q
-
STREAM ID Q
FROM : B6
TO : B3
CLASS: HEAT
STREAM ATTRIBUTES:
HEAT
Q BTU/HR 1.4324+07
TBEG F 900.0000
TEND F 70.0000
ASPEN PLUS PLAT: WINDOWS VER: 36.0 02/03/2020 PAGE 19
RANKINE POWERPLANT
PROBLEM STATUS SECTION
BLOCK STATUS
------------
****************************************************************************
* *
* Calculations were completed normally *
* *
* All Unit Operation blocks were completed normally *
* *
* Initial enthalpy calculations completed with physical property errors *
* for the following streams: *
* 7 *
* *
* All Convergence blocks were completed normally *
* *
****************************************************************************