![]() From this final column arose Figure A-2, a graph of ideal temperature (K) versus pressure (kPa). These theoretical values of temperature are shown in the final column of Table A-1. In this calculation, which used the ideal gas equation, the volume and mass were assumed to be constant. As can be seen from the graph, the relationship of temperature versus pressure is roughly linear.Īs part of this experiment, the theoretical values of temperature were calculated for each measured pressure value. From these values, a graph between temperature (K) and pressure (kPa) was created (Figure A-1). These equations led to the values of pressure and temperature that are shown the third and fourth columns of Table A-1. Also included in the Appendix are the equations used for calibrating those voltages with the actual pressures and temperatures. The voltages as measured for the pressure and temperature transducers appear in Table A-1 of the Appendix. The experiment went as expected with no unusual events that would have introduced error. This section analyses the results of the experiment. In addition, the theoretical temperature (K) of air was calculated as a function of the measured pressured values (kPa). Both of these transducers produced voltage signals (in Volts) that were calibrated to the pressure (kPa) and temperature (K) of the air (the atmospheric pressure for where the experiment occurred is assumed to be 13.6 psia). Attached to this pressure vessel was a pressure transducer and thermocouple to measure the pressure and the temperature, respectively, of the air inside the vessel. In this experiment, air (an ideal gas) was heated in a pressure vessel with a volume of 1 liter. This report presents the procedures for the experiment, the experiment's results, and an analysis of those results. Where p is the pressure the gas, V is the volume, m is the mass, R is a constant, and T is temperature. The objective of the experiment is to test whether the ideal equation of state holds. Because the ideal gas was in a closed container, its volume remained constant. This report discusses an experiment to study the relationship of temperature and pressure of an ideal gas (air) that was heated in a closed container. ![]() Temperature and Pressure Measurements of an Ideal Gas Accompanying this report is a Lab Handout that states what the instructors expected as far as the scope of the experiment and the depth and organization of the report. This web page presents a sample laboratory report written in a thermal fluids course (ME 2984) at Virginia Tech.
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