Question

32 8. (30 pts.) For the Heat Gain Table shown below, calculate both the (a) (25 (b) (5 pts.) the cooling Load for the pts.) Radiative Cooling Load missing 19 Hour. Use the factors for the MW2 Zone. (show all and your work below) Table 8-21 Radiane Time Factors for Four Sample Zanes Lightng Heat Gale, W Conectve Heat Gala W Radiative Hea Cain, W Radiative Cooling Load, W Cooling Load. W Hor LW MW 1 MW 2 HW C 0.50619 0.22962 011864 0.06390 0.03533 051669 0.20833 316.3 304.2 292.9 282.3 272.2 262.6 253.4 316.3 304.2 292.9 282 3 272.2 262.6 253.4 244.5 1215. 1337.7 1401.9 1442.7 14727 1497. 15183 1537.4 1555.1 0.25509 C11396 0.00059 006232 0.05133 0.04259 0.03771 0.03461 0.C3241 C.03071 0.02931 0.02809 0.02700 0.02599 C.02504 0.02414 0.02328 0.02240 0.02167 0.02001 0.02018 0.01948 0.01880 022419 007686 005778 005019 a04565 2 0.10846 0.03785 0.02373 001515 0.00977 0.00634 0.00413 0.00270 0.00177 0.00117 0.00078 0.00052 0.01989 0.01134 0.00G53 0.00380 0.00222 0 004243 0.03000 0.03779 0.03596 0.03433 0.03286 003151 0.03025 0.02910 002802 0.62700 0.02504 0 244.5 2000 2000 2000 2000 2000 O00 2000 2000 2000 660 660 660 660 660 680 660 660 660 1340 555.1 577.7 741.9 782.7 812.7 837.1 8583 877.4 8951 5928 q11 420.4 386 5 363.0 3448 329.6 10 1340 1340 1340 1340 0.00131 0.00079 0.00048 1340 1340 1340 1340 C 0.00030 0.00020 0.00014 0,00035 0.00010 0.00008 0.00007 0.00025 0.00018 0.00013 0.00010 0.00008 0.00007 0.02513 0.02427 0.02345 0.02267 002132 02121 0.02052 592.6 fit 420.4 386.5 363.0 344.8 0.00006 0.00006 0.00005 0.00005 0.00005 0 0.0000S 0.00005 0.01815 C.01751 329.6

Answer 1

Sol Consider he Hcat gain table cooling load is calculate d by ike -formula Here are the adian t time -factorg Уo is the heat qain for he Cuvrent bour, - is the heat gain 'n' hours ago oad ig the cooling Now calculate he Gig by usinq he above equation. 0. 020 18xo +o 020q1xo +o o2j 67 X 2oo0 +0 02246 X2000 +0.02328 x2000 + 0.024 1y X 2000 + 0.02504 X2000 + O-0 2598X200o + 0 02700 X2000 O 028 o9 X 2000 t 0 0293 X 200o4 o. 030 X2000 + 0.03241 x0 +0.0 3y6) XO+ 0 037 7) X o 0.03771x0 +0.04259 xo d.O133xo +6.06959 Xo +0 11396 x0 t 0-255o9 Xo O O 43.34 + 44:42 -+ 4656 1 48.68 50. 08 + 596 t 54 + 56 13 + 58.62 515.36 Kuo Sin u the hour there is no Seperate heat gaiu , therefore the Value of sadia ive coolinq Qoad and Cooling load is 515. 36 Kw