Menentukan Temperatur dan Tekanan Penyimpanan

Keterangan : D = diameter tangki, in sf = straight flange, in dipilih sf = 3 in Berdasarkan Tabel 4-27 Ulrich 1984, dimana D H s 2 Rasio HD yang diambil adalah rasio yang memberikan luas tangki yang paling kecil. Hasil trial rasio HD terhadap luas tangki dapat dilihat pada Tabel C.1.3. berikut. Tabel C.54. Hasil Trial H s D Terhadap Luas Tangki Trial HD D ft H ft A ft 2 V silinder , ft 3 V head, ft 3 V sf , ft 3 Vtotal ft 3 1.00 0.40 40.03 16.01 4,619.36 20,138.89 5,430.57 314.45 25,883.91 2.00 0.50 37.72 18.86 4,548.20 21,061.28 4,543.44 279.19 25,883.91 3.00 0.62 35.53 22.03 4,512.52 21,837.08 3,799.03 247.80 25,883.91 4.00 0.68 34.61 23.54 4,507.54 22,137.33 3,511.45 235.13 25,883.91 5.00 0.70 34.33 24.03 4,507.28 22,227.62 3,425.04 231.26 25,883.91 6.00 0.72 34.05 24.52 4,507.64 22,313.60 3,342.78 227.54 25,883.91 7.00 0.78 33.27 25.95 4,511.89 22,548.55 3,118.13 217.23 25,883.91 8.00 0.80 33.03 26.42 4,514.24 22,620.05 3,049.82 214.04 25,883.91 9.00 0.90 31.90 28.71 4,531.58 22,935.45 2,748.75 199.71 25,883.91 10.00 1.00 30.92 30.92 4,556.06 23,194.53 2,501.82 187.57 25,883.91 11.00 1.10 40.03 16.01 4,619.36 20,138.89 5,430.57 314.45 25,883.91 12.00 1.20 37.72 18.86 4,548.20 21,061.28 4,543.44 279.19 25,883.91 13.00 1.30 35.53 22.03 4,512.52 21,837.08 3,799.03 247.80 25,883.91 14.00 1.40 34.61 23.54 4,507.54 22,137.33 3,511.45 235.13 25,883.91 15.00 1.50 34.33 24.03 4,507.28 22,227.62 3,425.04 231.26 25,883.91 16.00 1.60 34.05 24.52 4,507.64 22,313.60 3,342.78 227.54 25,883.91 17.00 1.70 33.27 25.95 4,511.89 22,548.55 3,118.13 217.23 25,883.91 18.00 1.80 33.03 26.42 4,514.24 22,620.05 3,049.82 214.04 25,883.91 19.00 1.90 31.90 28.71 4,531.58 22,935.45 2,748.75 199.71 25,883.91 Gambar C.40. Rasio H s D Optimum Terlihat bahwa rasio H s D yang memberikan luas tangki yang paling kecil yaitu 0,7. Maka untuk selanjutnya digunakan rasio H s D = 0,7 D = 34,33 ft = 411,93 in = 10,46 m D standar = 35 ft 420 in H = 23,54 ft = 282,45 in = 7,17 m H standar = 25 ft 300 in Cek rasio HD : H s D = 2535 = 0,71 memenuhi 4,500.00 4,520.00 4,540.00 4,560.00 4,580.00 4,600.00 4,620.00 4,640.00 0.00 0.20 0.40 0.60 0.80 1.00 1.20 Luas, A HD Rasio HD Optimum