Question

1. Internal Combustion Engine (4 points) During the experiment in the lab of air compressor test engine to determine the polytropic index (n) of compressor we get the following readings: \begin{tabular}{|c|c|c|c|c|} \hline $P_o$ & $T_1$ & $T_3$ & $P_1$ & $N$ \\ \text{bar} & $^\circ C$ & $^\circ C$ & \text{bar} & (r.p.m.) \\ \hline 1 & 26 & 125 & 2 & 750 \\ 1 & 26 & 133 & 2.5 & 750 \\ 1 & 26 & 137 & 3.1 & 750 \\ 1 & 27 & 142 & 3.8 & 750 \\ 1 & 27 & 146 & 4.4 & 750 \\ 1 & 27 & 151 & 5 & 750 \\ \hline \end{tabular} Draw the slope between log stage temperature ratio and log stage pressure ratio and then find (n) value?

          1. Internal Combustion Engine
(4 points)
During the experiment in the lab of air compressor test engine to determine the
polytropic index (n) of compressor we get the following readings:
\begin{tabular}{|c|c|c|c|c|}
\hline
$P_o$ & $T_1$ & $T_3$ & $P_1$ & $N$ \\
\text{bar} & $^\circ C$ & $^\circ C$ & \text{bar} & (r.p.m.) \\
\hline
1 & 26 & 125 & 2 & 750 \\
1 & 26 & 133 & 2.5 & 750 \\
1 & 26 & 137 & 3.1 & 750 \\
1 & 27 & 142 & 3.8 & 750 \\
1 & 27 & 146 & 4.4 & 750 \\
1 & 27 & 151 & 5 & 750 \\
\hline
\end{tabular}
Draw the slope between log stage temperature ratio and log stage pressure ratio
and then find (n) value?

1. Internal Combustion Engine
(4 points)
During the experiment in the lab of air compressor test engine to determine the
polytropic index (n) of compressor we get the following readings:

Po T1 T3 P1 N

bar ^∘ C ^∘ C bar (r.p.m.)

1 26 125 2 750

1 26 133 2.5 750

1 26 137 3.1 750

1 27 142 3.8 750

1 27 146 4.4 750

1 27 151 5 750

Draw the slope between log stage temperature ratio and log stage pressure ratio
and then find (n) value?

Added by Julian B.

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