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2142-391 Engineering Mechanical Laboratory

2142-391 Engineering Mechanical Laboratory. Heating Value Measurement. Motivation Valuable fuels are being depleted Different kinds of energy source, e.g. gasoline, diesel, biodiesel, gasohol, etc. Different fuels give different amount of energy Which one gives more energy per unit

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2142-391 Engineering Mechanical Laboratory

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  1. 2142-391 Engineering Mechanical Laboratory Heating Value Measurement

  2. Motivation • Valuable fuels are being depleted • Different kinds of energy source, e.g. gasoline, diesel, biodiesel, gasohol, etc. • Different fuels give different amount of energy • Which one gives more energy per unit • Heating value

  3. Objectives • To determine the HV of fuel • To investigate the temp-time relationship of the thermal system • To study the effect of the vapor amount inside the bomb on the HV • etc.

  4. Bomb calorimeter thermometer insulated jacket stirrer bucket filled with water bomb

  5. Bomb (crucible + sample fuel)

  6. Principles of the Experiment • Fuel combustion occurs in very short period • Heat energy transfer from the combustion to • surrounding water • Measure the output energy via the slow increase • in water temperature

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