6.

4 Engine Performance Test Results

Table 6.4.1: Engine performance test vales without TEG

Cooling water
Manometer reading
Load in Flow in Time for 20cc of temperature Exhaust gas Wate r flow
Sl.
kg Lpm Left Left Left fuel flow in sec Inlet Outlet temperature te 0 c in sec
No. limb h1 limb h2 limb hw t1 0 c t2 0 c

1 0 6 14 21.5 7.5 160 27 31 54 10

2 3 6 14.3 21.6 7.3 145 26 32 72 9

4 6 6 14.3 21.7 7.4 113 26 32 106 9

6 9 6 14.3 21.7 7.4 89 26 32 148 9

7 12 6 14.3 21.7 7.4 78 26 33 169 9

Atmospheric Air Temperature Ta (o C) = 35o c

Table 6.4.2 Calculated results from above values

Air and Fuel

Load BSFC ISFC
S. B.P consumption A/F ηbth Pbmep IP Pimep ηith ηvol
(W) (kg/kW (kg/kW ηmech (%)
No (kW) ratio (%) (kN/m2 ) (kW) (kN/m2 ) (%) (%)
kg hr) hr)
ma mf

(kg/sec) (kg/sec)

1 0 0 0.0081 0.00621 1.305 0 0 0 3 434.06 7.45 1.12 0 49.91

2 3 0.48 0.007994 0.00685 1.167 51.360 0.16 69.44943 3.48 503.51 7.08 1.18 13.7931034 49.26

3 6 1.45 0.00805 0.00879 0.916 21.818 0.38 209.79516 4.45 643.85 7.11 1.18 32.5842697 49.60

4 9 2.18 0.00805 0.01157 0.696 19.106 0.44 315.41618 5.18 749.48 8.04 1.04 42.0849421 49.60

5 12 2.9 0.00805 0.01273 0.632 15.803 0.53 419.59033 5.9 853.65 7.77 1.08 49.1525424 49.60
Table 6.4.3: Engine performance test values with TEG

Exhaust gases
Manometer Reading Time for Coolant Temp
Load Coolant temp(Te o c) Coolant flow
Sl. 20cc of
(W flow LPM rate in TEG for
No Left Right Difference fuel flow Inlet Outlet Inlet Outlet
kg) (kg/min) 1000ml(sec)
Limb(h1 cm) Limb(h2 cm) (sec) (Tio C) (Tao C)
(hw cm) (Teio C) (Teo o C)

1 0 26 33 7 160 6 35 37 104 93 7

2 1 26 33.2 7.2 159 6 35 38 105 95 7

3 2 26 33.4 7.4 146 6 35 39 108 99 7

4 3 26 33.6 7.6 143 6 35 40 125 116 7

5 4 26 33.8 7.8 137 6 35 41 130 120 7

6 5 26 34 8 128 6 35 42 138 124 7

7 6 26 34.2 8.2 121 6 35 43 140 128 7

8 7 26 34.4 8.4 113 6 35 44 142 130 7

9 8 26 34.6 8.6 105 6 35 45 150 140 7

10 9 26 34.8 8.8 99 6 35 46 154 145 7

11 10 26 35 9 95 6 35 47 160 150 7
12 11 26 35.2 9.2 92 6 35 49 166 154 7

13 12 26 35.4 9.4 90 6 35 51 168 154 7

Table.6.4.4 Calculated results from observed values

Air and Fuel

Load BSFC ISFC
S. B.P consumption A/F ηbth Pbmep IP Pimep ηith ηmech ηvol
(W) (kg/kW (kg/kW
No (kW) ma mf ratio (%) (kN/m2 ) (kW) (kN/m2 ) (%) (%) (%)
kg hr) hr)
(kg/sec) (kg/sec)
1 0 0 0.00782 0.006206 1.261 0 0 0 2.50 0 8.93 0.93 0 47.78523

2 1 0.24 0.00793 0.006245 1.271 92.89 0.09 35.019 2.74 396.735 8.20 1.02 8.83 48.46307

3 2 0.48 0.00804 0.006801 1.183 50.58 0.17 70.039 2.98 431.754 8.21 1.02 16.22 49.13156

4 3 0.73 0.00815 0.006944 1.174 34.43 0.24 105.058 3.23 466.774 7.75 1.08 22.51 49.79107

5 4 0.97 0.00826 0.007248 1.139 26.95 0.31 140.078 3.47 501.793 7.52 1.11 27.92 50.44196

6 5 1.21 0.00836 0.007758 1.078 23.10 0.36 174.930 3.71 536.646 7.53 1.11 32.60 51.08456

7 6 1.45 0.00847 0.008207 1.032 20.36 0.41 209.916 3.95 571.632 7.48 1.12 36.72 51.71918

8 7 1.69 0.00857 0.008788 0.975 18.69 0.45 244.902 4.19 606.618 7.55 1.11 40.37 52.3461

9 8 1.93 0.00867 0.009457 0.917 17.60 0.48 279.888 4.43 641.604 7.68 1.09 43.62 52.9656

10 9 2.18 0.00877 0.01003 0.875 16.59 0.50 314.875 4.68 676.590 7.72 1.08 46.54 53.57794

11 10 2.42 0.00887 0.010453 0.849 15.56 0.54 349.861 4.92 711577.00 7.65 1.09 49.17 54.18336

12 11 2.66 0.00897 0.010793 0.831 14.61 0.57 384.847 5.16 746563.12 7.53 1.11 51.55 54.78209

13 12 2.90 0.00907 0.011033 0.822 13.69 0.61 419.833 5.40 781549.24 7.35 1.14 53.72 55.37435