C Date: Sunday, August 17, 2014
Report Contents Design 1 2 Scenario 1... 2 Materials... 2 boundary conditions... 3 Initial Conditions... 4 mesh... 4 Physics... 5 Solver Settings... 5 Convergence... 5 Results... 6 Parallel Flow... 9 Materials... 9 boundary conditions... 10 Initial Conditions... 10 mesh... 11 Physics... 11 Solver Settings... 11 Page 1 Generated with Autodesk Simulation CFD 2015
Design 1 Length units Coordinate system meter Cartesian 3D SCENARIO 1 MATERIALS NAME ASSIGNED TO PROPERTIES Air CFDCreatedVolume Density Equation of State Viscosity 1.817e-05 Pa-s Conductivity 0.02563 W/m-K 1004.0 J/kg-K Compressibility 1.4 Emissivity 1.0 Phase Vapor Pressure Page 2 Generated with Autodesk Simulation CFD 2015
Water CFDCreatedVolume Density Piecewise Linear Viscosity 0.001003 Pa-s Conductivity 0.6 W/m-K 4182.0 J/kg-K Compressibility 2185650000.0 Pa Emissivity 1.0 Phase Linked Vapor Material Brass (by Assem1 Part1:1 X-Direction 109.0 W/m-K internet) Assem1 Part3:6 Y-Direction Assem1 Part3:5 Z-Direction Density 8525.0 kg/m3 380.0 J/kg-K Emissivity 0.03 None Transmissivity 0.0 None Electrical resistivity 8e-08 ohm-m Copper Assem1 Part2:1 X-Direction Piecewise Linear Y-Direction Z-Direction Density 8939.58 kg/m3 380.718 J/kg-K Emissivity 0.6 Transmissivity 0.0 Electrical resistivity 1.7e-08 ohm-m BOUNDARY CONDITIONS TYPE ASSIGNED TO Velocity Normal(26 m/s) Surface:51 Temperature(85 Celsius) Pressure(0 Pa Gage) Volume Flow Rate(0.002182 m3/min) Temperature(30 Celsius) Surface:51 Surface:52 Surface:53 Surface:54 Surface:54 Page 3 Generated with Autodesk Simulation CFD 2015
INITIAL CONDITIONS TYPE ASSIGNED TO MESH Automatic Meshing Settings Surface refinement 0 Gap refinement 0 Resolution factor 1.0 Edge growth rate 1.1 Minimum points on edge 2 Points on longest edge 10 Surface limiting aspect ratio 20 Mesh Enhancement Settings Mesh enhancement 1 Enhancement blending 0 Number of layers 3 Layer factor 0.45 Layer gradation 1.05 Meshed Model Page 4 Generated with Autodesk Simulation CFD 2015
Number of Nodes 278155 Number of Elements 863083 PHYSICS Flow Compressibility Incompressible Heat Transfer Auto Forced Convection Gravity Components 0.0, 0.0, -9.80664 Radiation Off Scalar No scalar Turbulence SOLVER SETTINGS Solution mode Steady State Solver computer MyComputer Intelligent solution control Advection scheme ADV 1 Turbulence model k-epsilon CONVERGENCE Iterations run 120 Solve time 3240 seconds Solver version 15.0.20140225 Energy Balance Fluid Energy Balance Information (numerical) energy out - 0.22829 Watts heat transfer due to sources in 0.0 Watts heat transfer from wall to fluid 0.294 Watts mdotin x cp x (tout - tin) 1.4664 Watts Solid Energy Balance Information heat transfer due to sources in 0.0 Watts heat transfer from exterior to 0.0 Watts heat transfer from fluid to solid -0.294 Watts Page 5 Generated with Autodesk Simulation CFD 2015
Mass Balance IN OUT Mass flow 0.0504639 kg/s -0.0529684 kg/s Volume flow 0.0117922667 m^3/s -0.0142188465 m^3/s RESULTS Inlets and Outlets inlet 1 inlet bulk pressure 193129.0 N/m^2 inlet bulk temperature 85.0 C inlet mach number 0.0611899 mass flow in 0.0141627 kg/s minimum x,y,z of 0.0 node near minimum 706.0 reynolds number 35186.4 surface id 51.0 volume flow in 0.0117559 m^3/s inlet 2 inlet bulk pressure 2732.53 N/m^2 inlet bulk temperature 30.0 C inlet mach number 4.66971e-09 mass flow in 0.0363012 kg/s minimum x,y,z of 0.0 Page 6 Generated with Autodesk Simulation CFD 2015
Field Variable Results node near minimum 380.0 reynolds number 1579.53 surface id 54.0 total mass flow in 0.050464 kg/s total vol. flow in 0.0117923 m^3/s volume flow in 3.63667e-05 m^3/s outlet 1 mass flow out -0.0170866 kg/s minimum x,y,z of 0.0 node near minimum 817.0 outlet bulk pressure -0.0 N/m^2 outlet bulk 36.3008 C outlet mach number 0.0940125 reynolds number 42450.5 surface id 52.0 volume flow out -0.0141829 m^3/s outlet 2 mass flow out -0.0358818 kg/s minimum x,y,z of 0.0 node near minimum 434.0 outlet bulk pressure -0.0 N/m^2 outlet bulk 34.571 C outlet mach number 4.30498e-09 reynolds number 1561.28 surface id 53.0 total mass flow out -0.0529684 kg/s total vol. flow out -0.0142188 m^3/s volume flow out -3.59465e-05 m^3/s VARIABLE MAX MIN cond 385.696 W/m-K 0.02563 W/m-K dens 8939.58 kg/m^3 1.20473 kg/m^3 econd 55.1258 W/m-K 0.0 W/m-K emiss 1.0 0.0 evisc 0.016963 kg/m-s 0.0 kg/m-s gent 37696100.0 1/s 2.05316e-06 1/s press 193739.0 N/m^2-564.139 N/m^2 ptotl 200245.0 N/m^2-564.139 N/m^2 scal1 0.0 0.0 seebeck 0.0 V/K 0.0 V/K spech 4182.0 J/kg-K 380.0 J/kg-K temp 85.0 C 30.0 C transmiss 0.0 0.0 turbd 37501600000.0 m^2/s^3 1.98172e-13 m^2/s^3 turbk 66326.9 m^2/s^2 6.2718e-11 m^2/s^2 Page 7 Generated with Autodesk Simulation CFD 2015
visc 0.001003 kg/m-s 0.0 kg/m-s vx vel 29.5815 m/s -22.9705 m/s vy vel 66.6944 m/s -49.0993 m/s vz vel 86.8066 m/s -117.281 m/s wrough 0.0 m 0.0 m Component Thermal Summary PART MINIMUM TEMPERATURE MAXIMUM TEMPERATURE Assem1 Part1:1 30 47.337 31.441 Assem1 Part3:6 82.877 85 84.597 Assem1 Part2:1 30.256 84.754 34.33 Assem1 Part3:5 35.668 36.461 36.42 CFDCreatedVolume 30.26 85 49.884 CFDCreatedVolume 30 46.48 31.667 VOLUME AVERAGED TEMPERATURE Fluid Forces on Walls pressx pressy pressz shearx sheary shearz 0.088571 Newtons -83.284 Newtons 17.497 Newtons 0.0016083 Newtons 0.0044131 Newtons -2.5057 Newtons Page 8 Generated with Autodesk Simulation CFD 2015
PARALLEL FLOW MATERIALS NAME ASSIGNED TO PROPERTIES Air CFDCreatedVolume Density Equation of State Viscosity 1.817e-05 Pa-s Conductivity 0.02563 W/m-K 1004.0 J/kg-K Compressibility 1.4 Emissivity 1.0 Phase Vapor Pressure Water CFDCreatedVolume Density Piecewise Linear Viscosity 0.001003 Pa-s Conductivity 0.6 W/m-K 4182.0 J/kg-K Compressibility 2185650000.0 Pa Emissivity 1.0 Phase Linked Vapor Material Page 9 Generated with Autodesk Simulation CFD 2015
Brass (by internet) Assem1 Part1:1 Assem1 Part3:6 Assem1 Part3:5 X-Direction Y-Direction Z-Direction Density Emissivity Transmissivity Electrical resistivity 109.0 W/m-K 8525.0 kg/m3 380.0 J/kg-K 0.03 None 0.0 None 8e-08 ohm-m Copper Assem1 Part2:1 X-Direction Piecewise Linear Y-Direction Z-Direction Density 8939.58 kg/m3 380.718 J/kg-K Emissivity 0.6 Transmissivity 0.0 Electrical resistivity 1.7e-08 ohm-m BOUNDARY CONDITIONS TYPE ASSIGNED TO Velocity Normal(26 m/s) Surface:51 Temperature(85 Celsius) Pressure(0 Pa Gage) Volume Flow Rate(0.002182 m3/min) Temperature(30 Celsius) Surface:51 Surface:52 Surface:53 Surface:54 Surface:54 INITIAL CONDITIONS TYPE ASSIGNED TO Page 10 Generated with Autodesk Simulation CFD 2015
MESH Automatic Meshing Settings Surface refinement 0 Gap refinement 0 Resolution factor 1.0 Edge growth rate 1.1 Minimum points on edge 2 Points on longest edge 10 Surface limiting aspect ratio 20 Mesh Enhancement Settings Mesh enhancement 1 Enhancement blending 0 Number of layers 3 Layer factor 0.45 Layer gradation 1.05 PHYSICS Flow Compressibility Incompressible Heat Transfer Auto Forced Convection Gravity Components 0.0, 0.0, -9.80664 Radiation Off Scalar No scalar Turbulence SOLVER SETTINGS Solution mode Steady State Solver computer MyComputer Intelligent solution control Advection scheme ADV 1 Turbulence model k-epsilon Page 11 Generated with Autodesk Simulation CFD 2015
Page 12 Generated with Autodesk Simulation CFD 2015