Poprawa:
U [V] |
I0 [mA] |
I0 [A] |
r0 [cm] |
rx [cm] |
Ix [A] |
P [W] |
η [cd/W] |
W |
35 |
18,7 |
0,187 |
70,9 |
9 |
0,003013 |
6,545 |
0,00046 |
0,016114 |
50 |
23,4 |
0,234 |
67,4 |
12,3 |
0,007793 |
11,7 |
0,000666 |
0,033304 |
65 |
27,7 |
0,277 |
62,8 |
16,9 |
0,02006 |
18,005 |
0,001114 |
0,072419 |
80 |
31,5 |
0,315 |
58,5 |
21,2 |
0,041369 |
25,2 |
0,001642 |
0,131329 |
95 |
35,1 |
0,351 |
54,6 |
25,1 |
0,074177 |
33,345 |
0,002225 |
0,21133 |
110 |
38,5 |
0,385 |
51,3 |
28,4 |
0,117995 |
42,35 |
0,002786 |
0,30648 |
125 |
41,7 |
0,417 |
48,2 |
31,5 |
0,1781 |
52,125 |
0,003417 |
0,427098 |
140 |
44,8 |
0,448 |
45,5 |
34,2 |
0,253109 |
62,72 |
0,004036 |
0,564975 |
155 |
47,7 |
0,477 |
42,4 |
37,3 |
0,369151 |
73,935 |
0,004993 |
0,773902 |
170 |
50,4 |
0,504 |
40,3 |
39,4 |
0,48174 |
85,68 |
0,005623 |
0,955834 |
185 |
53 |
0,53 |
39 |
40,7 |
0,577212 |
98,05 |
0,005887 |
1,08908 |
199,9 |
55,6 |
0,556 |
35,2 |
44,5 |
0,888607 |
111,1444 |
0,007995 |
1,598213 |
Obliczenia:
Ix = ( rx2/r02)*I0
Ix1 = (70,92/92)* 0,187 = 0,003013 A
Ix2 = (67,42/16,92)* 0,234 = 0,007793 A
Ix3 = (62,82/92)* 0,277 = 0,02006 A
Ix4 = (58,52/21,22)* 0,315 = 0,041369 A
Ix5 = (54,62/25,12)* 0,351 = 0,074177 A
Ix6 = (51,32/28,42)* 0,385 = 0, 117995 A
Ix7 = (48,22/31,52)* 0,417 = 0,1781 A
Ix8 = (45,52/34,22)* 0,448 = 0,253109 A
Ix9 = (42,42/37,32)* 0,477 = 0,369151 A
Ix10 = (40,32/39,42)* 0,504 = 0,48174 A
Ix11 = (392/40,72)* 0,53 = 0,577212 A
Ix12 = (35,22/44,52)* 0,556 = 0,888607 A
W = Ix/I0
W1 = 0,003013/0,187 = 0,016114
W2 = 0,007793/0,234 = 0,033304
W3 = 0,02006/0,277 = 0,072419
W4 = 0,041369/0,315 = 0,131329
W5 = 0,074177/0,351 = 0,21133
W6 = 0,117995/0,385 = 0,30648
W7 = 0,1781/0,417 = 0,427098
W8 = 0,253109/0,443 = 0,564975
W9 = 0,36951/0,477 = 0,773902
W10 = 0,48174/0,504 = 0,955834
W11 = 0,577212/0,53 = 1,08908
W12 = 0,888607/0,556 = 1,598213
P = I0 * U
P1 = 0,187 * 35 = 6,545 W
P2 = 0,234 * 50 = 11,7 W
P1 = 0,277 * 65 = 18,005 W
P2 = 0,315 * 80 = 25,2 W
P1 = 0,351 * 95 = 33,345 W
P2 = 0,385 * 110 = 42,35 W
P1 = 0,417 * 125 = 52,125 W
P2 = 0,448 * 140 = 62,72 W
P1 = 0,477 * 155 = 73,935 W
P2 = 0,504 * 170 = 85,68 W
P1 = 0,53 * 185 = 98,05 W
P2 = 0,556 * 199,9 = 111,14 W
η = Ix/P
η1 = 0,003013 * 6,545 = 0,00046 cd/W
η2 = 0,007793 * 11,7 = 0,000666 cd/W
η3 = 0,02006 * 18,005 = 0,001114 cd/W
η4 = 0,041369 * 25,2 = 0,001642 cd/W
η5 = 0,074177 * 33.345 = 0,002225 cd/W
η6 = 0,117995 * 42,35 = 0,002786 cd/W
η7 = 0,1781* 52,125 = 0,003417 cd/W
η8 = 0,253109 * 62,72 = 0,004036 cd/W
η9 = 0,369151 * 73,935 = 0,004993 cd/W
η10 = 0,48174 * 85,68 = 0,005623 cd/W
η11 = 0,577212 * 98,05 = 0,005887 cd/W
η12 = 0,888607 * 111,14 = 0,007995 cd/W
Obliczanie niepewności całkowitej pomiaru:
u (P) =
u (P1) =
= 1,05 W
u (P2) =
= 1,50 W
u (P3) =
= 1,95 W
u (P4) =
= 2,40 W
u (P5) =
= 2,85 W
u (P6) =
= 3,30 W
u (P7) =
= 3,75 W
u (P8) =
= 4,20 W
u (P9) =
= 4,65 W
u (P10) =
= 5,10 W
u (P11) =
= 5,55 W
u (P12) =
= 6,00 W
u (W) =
u (W1) =
= 5,35
u (W2) =
= 4,28
u (W3) =
= 3,62
u (W4) =
= 3,20
u (W5) =
= 2,91
u (W6) =
=2,72
u (W7) =
= 2,61
u (W8) =
= 2,56
u (W9) =
= 2,65
u (W10) =
= 2,74
u (W11) =
= 2,79
u (W12) =
= 3,39
u (Ix) =