EXCEl project
m5.3
che_app_final.xlsxconversion factors and constant
| Input the appropriate conversion factor or constant in the red boxes below: | ||||
| Multiply SI Unit by Conversion Factor to get Other Unit | ||||
| Problem # | Property | SI Unit | Conversion Factor | Other Unit |
| 1 | Length | centimeter | inch | |
| 2 | centimeter | foot | ||
| 3 | meter | yard | ||
| 4 | kilometer | mile | ||
| 5 | Area | square meters | square feet | |
| 6 | Volume | milliliter | teaspoon | |
| 7 | liters | quarts | ||
| 8 | liters | gallons | ||
| 9 | cubic meters | cubic feet | ||
| 10 | mass | gram | ounce | |
| 11 | kilogram | pound | ||
| 12 | metric ton | pound | ||
| 13 | metric ton | long ton | ||
| 14 | Pressure | atmosphere | Pascal | |
| 15 | atmosphere | bar | ||
| 16 | atmosphere | Pounds/square inch | ||
| 17 | atmosphere | inches of water | ||
| 18 | atmosphere | mm of mercury | ||
| 19 | Energy | Joule | BTU | |
| 20 | Joule | calorie | ||
| 21 | Work | Watt | BTU/hr | |
| 22 | Watt | horse power | ||
| 23 | Temperature | Celsius | Fahrenheit | |
| 24 | Kelvin | Rankine | ||
| Constants | ||||
| 25 | gravitational acceleration | m/s2 | ||
| 26 | ft/s2 | |||
| 27 | ideal gas constant | m3 atm/K gmol | ||
| 28 | ft3 atm/R lbmol | |||
| 29 | speed of light | km/s | ||
| 30 | miles/s |
heat and mass balance
| Use the Process Flow Diagram and the informatiion in the tables to fill out the | |||||||||||||||
| Heat and Mass Balance Table. | |||||||||||||||
| Molecular Weight | Specific heat Cp @25 C | ||||||||||||||
| kg/kgmol | kj/kg C | ||||||||||||||
| 300 kg/hr Methane | CH4 | 16 | 2.22 | ||||||||||||
| T=25 C | . | Off Gas | CO2 | 44 | 0.844 | ||||||||||
| P= 1atm | T= ? | O2 | 32 | 0.919 | |||||||||||
| P= 1 atm | N2 | 28 | 1.04 | ||||||||||||
| Air feed at SR=2.5 | H2O | 18 | 1.93 | ||||||||||||
| T= 25 C | |||||||||||||||
| P=1 atm | |||||||||||||||
| Heat of Combustion = | -50,000.00 | kj/kg | of methane | CH4 | + 2 O2 | +N2 | CO2 | + 2 H2O | +N2 | +O2 | |||||
| Total Heat Generated = Mass of fuel * Heat of Combustion | 16.00 | 64.00 | 208.34 | 44.00 | 36.00 | 208.34 | |||||||||
| SR | |||||||||||||||
| Heat Content of a gas = Mass of Gas * Specific Heat *(T - Tref) | 1.00 | 1.00 | 4.00 | 13.02 | 2.75 | 2.25 | 13.02 | ||||||||
| 2.50 | 1.00 | 10.00 | 32.55 | 2.75 | 2.25 | 32.55 | 6.00 | ||||||||
| T ref= | 25 | C | P ref= | 1 | atm | ||||||||||
| Volume of a gas = nRT/P | |||||||||||||||
| Enter the Temperature and Pressure and Calculated values for the Mass, heat content, and volume of each Flow Stream: | |||||||||||||||
| Each empty red box should have a value. If the value is zero input 0. | |||||||||||||||
| Remember you have to solve for the final off gas temperature. | |||||||||||||||
| Stream | 1 | 2 | 3 | ||||||||||||
| Pressure | atm | ||||||||||||||
| Temperature | C | ||||||||||||||
| Components | kg/hr | kj/hr | m3/hr | kg/hr | kj/hr | m3/hr | kg/hr | kj/hr | m3/hr | ||||||
| CH4 | |||||||||||||||
| O2 | |||||||||||||||
| N2 | |||||||||||||||
| H2O | |||||||||||||||
| CO2 | |||||||||||||||
| Total | |||||||||||||||
| There are a total of 20 answers for each flow stream. |
Burner
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