Tugas Phenomena Transfer Nama: Lukman Nul HakimNim:342450/PTK/08585

1. DATATabel1, Data Kecepatan Dan Waktu Aliran

t(detik) vx(m/detik)

vy(m/detik)

vz(m/detik)

0 3,84 0,43 0,190,01 3,5 0,21 0,160,02 3,8 0,18 0,170,03 3,6 0,3 0,130,04 4,2 0,36 0,090,05 4 0,28 0,10,06 3 0,35 0,160,07 3,2 0,27 0,150,08 3,4 0,21 0,130,09 3 0,22 0,180,1 3,5 0,23 0,170,11 4,3 0,36 0,180,12 3,8 0,35 0,17

2. Hasil PerhitunganTabel 2,Hasil Perhitungan MATHLAB

x y zV 3,607 0,278 0,15V ' 2 0,179 0,004 0,000861

√V ' 2 0,428 0,064 0,029

V 2 13,187 7,614 0,432

I 11,679 1,760 0,811

V x ' V y '=0,0131R=0,4871

3. Program Perhitungan4. function vrata_rata = perhitungan_dengan_cara_simpson5. %data6. t=(xlsread('data_pt','a2:a14'));7. vx=(xlsread('data_pt','b2:b14'));8. vy=(xlsread('data_pt','c2:c14'));9. vz=(xlsread('data_pt','d2:d14'));10. n=length(t);

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11. %menghitung vx,vy,vz rata-rata12. vxsum1 = sum(vx(2:2:(n-1)));13. vxsum2 = sum(vx(3:2:(n-1)));14. vrata_rata(1) =((1/(3*t(n))))*((t(2)-

t(1)))*(vx(1)+(4*vxsum1)+(2*vxsum2)+vx(n));15. vysum1 = sum(vy(2:2:(n-1)));16. vysum2 = sum(vy(3:2:(n-1)));17. vrata_rata(2) =(1/(3*t(n)))*((t(2)-

t(1)))*(vy(1)+(4*vysum1)+(2*vysum2)+vy(n));18. vzsum1 = sum(vz(2:2:(n-1)));19. vzsum2 = sum(vz(3:2:(n-1)));20. vrata_rata(3) =(1/(3*t(n)))*((t(2)-

t(1)))*(vz(1)+(4*vzsum1)+(2*vzsum2)+vz(n));21. vxrata_rata=vrata_rata(1)22. vyrata_rata=vrata_rata(2)23. vzrata_rata=vrata_rata(3)24. % menghitung v rata-rata25. vrata_rata(4)=sqrt((vrata_rata(1)^2)+(vrata_rata(2)^2)+

(vrata_rata(3)^2));26. vtotalrata_rata=vrata_rata(4)27. %menghitung rms 28. %menghitung vx,vy,vz kuadrat rata - rata29. vx_vxratasum1=sum((vx(2:2:(n-1))-vxrata_rata).^2);30. vx_vxratasum2=sum((vx(3:2:(n-1))-vxrata_rata).^2);31. vrata_rata(5)=((1/(3*t(n)))*((t(2)-t(1)))*(((vx(1)-

vxrata_rata)^2)+(4*vx_vxratasum1)+(2*vx_vxratasum2)+((vx(n)-vxrata_rata)^2)));

32. vy_vyratasum1=sum((vy(2:2:(n-1))-vyrata_rata).^2);33. vy_vyratasum2=sum((vy(3:2:(n-1))-vyrata_rata).^2);34. vrata_rata(6)=((1/(3*t(n)))*((t(2)-t(1)))*(((vy(1)-

vyrata_rata)^2)+(4*vy_vyratasum1)+(2*vy_vyratasum2)+((vy(n)-vyrata_rata)^2)));

35. vz_vzratasum1=sum((vz(2:2:(n-1))-vzrata_rata).^2);36. vz_vzratasum2=sum((vz(3:2:(n-1))-vzrata_rata).^2);37. vrata_rata(7)=((1/(3*t(n)))*((t(2)-t(1)))*(((vz(1)-

vzrata_rata)^2)+(4*vz_vzratasum1)+(2*vz_vzratasum2)+((vz(n)-vzrata_rata)^2)));

38. vxaksen_kuadrat_rata_rata=vrata_rata(5)39. vyaksen_kuadrat_rata_rata=vrata_rata(6)40. vzaksen_kuadrat_rata_rata=vrata_rata(7)41. %menghitung akar vx',vy',vz' kuadrat rata - rata42. vrata_rata(8)=sqrt(vxaksen_kuadrat_rata_rata);43. vrata_rata(9)=sqrt(vyaksen_kuadrat_rata_rata);44. vrata_rata(10)=sqrt(vzaksen_kuadrat_rata_rata);45. akar_vxaksen_kuadrat_rata_rata=vrata_rata(8)46. akar_vyaksen_kuadrat_rata_rata=vrata_rata(9)47. akar_vzaksen_kuadrat_rata_rata=vrata_rata(10)48. %menghitung vx,vy,vz rata-rata kuadrat49. vxrata_ratakuadratsum1 =sum((vx(2:2:(n-1))).^2);

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50. vxrata_ratakuadratsum2 =sum((vx(3:2:(n-1))).^2);51. vrata_rata(11)=((1/(3*t(n)))*((t(2)-

t(1)))*(((vx(1))^2)+(4*vxrata_ratakuadratsum1)+(2*vxrata_ratakuadratsum2)+((vx(n))^2)));

52. vyrata_ratakuadratsum1 =sum((vy(2:2:(n-1))).^2);53. vyrata_ratakuadratsum2 =sum((vy(3:2:(n-1))).^2);54. vrata_rata(12)=((1/(3*t(n)))*(((t(2)-

t(1)))*((vy(1))^2)+(4*vyrata_ratakuadratsum1)+(2*vyrata_ratakuadratsum2)+((vy(n))^2)));

55. vzrata_ratakuadratsum1 =sum((vz(2:2:(n-1))).^2);56. vzrata_ratakuadratsum2 =sum((vz(3:2:(n-1))).^2);57. vrata_rata(13)=((1/(3*t(n)))*((t(2)-

t(1)))*(((vx(1))^2)+(4*vzrata_ratakuadratsum1)+(2*vzrata_ratakuadratsum2)+((vz(n))^2)));

58. vxrata_ratakuadrat=vrata_rata(11)59. vyrata_ratakuadrat=vrata_rata(12)60. vzrata_ratakuadrat=vrata_rata(13)61. %menghitung intensitas turbulen62. Ix=100*(akar_vxaksen_kuadrat_rata_rata)/vtotalrata_rata63. Iy=100.*(akar_vyaksen_kuadrat_rata_rata)./vtotalrata_rata64. Iz=100.*(akar_vzaksen_kuadrat_rata_rata)./vtotalrata_rata65. %menghitung cross turbulance66. %menghitung vx'67. vx_aksen=vx-vxrata_rata;68. vy_aksen=vy-vyrata_rata;69. vz_aksen=vz-vzrata_rata;70. %menghitung vx'vy'71. vxaksen_vyaksen=vx_aksen.*vy_aksen;72. %menghitung vx'vy' rata-rata73. vxaksen_vyaksen_sum1=sum(vxaksen_vyaksen(2:2:(n-1)));74. vxaksen_vyaksen_sum2=sum(vxaksen_vyaksen(3:2:(n-1)));75. vxaksen_vyaksen_rata_rata=(1/(3*t(n)))*((t(2)-

t(1)))*((vxaksen_vyaksen(1)+(4*vxaksen_vyaksen_sum1)+(2*vxaksen_vyaksen_sum2)+vxaksen_vyaksen(n)))

76. %menghitung scale of turbulance77. R=vxaksen_vyaksen_rata_rata/

(akar_vxaksen_kuadrat_rata_rata*akar_vyaksen_kuadrat_rata_rata)78. end

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