Termal 17-1.xls

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A. PERHITUNGAN LUASAN DAN VOLOME 1. Bangunan 1 Tipe A

nim ganjil cowok

: Ø       Panjang masing-masing Dinding (L) Ø       Tinggi Dinding (H) Ø       Luasan Bidang Kaca masing-masing dinding Suhu di luar Suhu di dalam Bahan dinding batu bata diplester Tebal dinding Tebal Plester Sumber Panas dari dalam

2. Bangunan 1 Tipe B

= =

40 m 40 m 20% 32 ⁰ 24 ⁰

12 cm 1.5 cm Lampu Tl 5 buah @ 15 watt

: Ø       Panjang Dinding (L) Utara & Selatan Ø       Panjang Dinding Timur & Barat Ø       Tinggi Dinding (H) Ø       Luasan Bidang Kaca Dinding Utara & Selatan Suhu di luar Suhu di dalam Bahan dinding batu bata diplester Tebal dinding Tebal Plester Sumber Panas dari dalam

= = =

40 m 20 m 80 m 20% 32 ⁰ 24 ⁰

12 cm 1.5 cm Lampu Tl 5 buah @ 15 watt

3. Bangunan 1 Tipe C : Ø       Panjang Dinding (L) Utara & Selatan Ø       Panjang Dinding Timur & Barat Ø       Tinggi Dinding (H) Ø       Luasan Bidang Kaca Dinding Utara & Selatan Suhu di luar Suhu di dalam Bahan dinding batu bata diplester Tebal dinding Tebal Plester Sumber Panas dari dalam

= = =

20 m 40 m 80 m 20% 32 ⁰ 24 ⁰

12 cm 1.5 cm Lampu Tl 5 buah @ 15 watt

SOAL:

A. Menghitung transmitan dan resistan elemen bangunan berlapis Kenaikan suhu benda oleh radiasi matahari Panas yang menembus elemen bangunan Panas yang menembus kaca 1

PERHITUNGAN U-Value THERMAL PROPERTIES BUILDING ELEMENT Surface Resistance ( Koenigsberger, 1974 : appendix 5.2) Normal Exposures - Internal surfaces (Rsi ) : Ø      Dinding = 0.123 m2K/W - External surfaces (Rso) : - Dinding Ø      Utara = 0.053 m2K/W Ø      Timur = 0.053 m2K/W Ø      Selatan = 0.100 m2K/W Ø      Barat = 0.076 m2K/W - Atap = Conductivity ( k )Dinding (Szokolay, 1987 : data sheet T.1) - Plastering, dense = 0.5 W/m.K - Brickwork, inner leaf = 0.62 W/m.K sgf Window (Szokolay, 1987 : data sheet T. 11) - Singgle, clear glass 6 mm = 0.76 Absorptance dan Emittance ( abs ) (Szokaolay, 1987 : data sheet T.2) - Roof : asphalt 0r bitumen = 0.90 - Wall : brick, light colours = 0.40 U - value (Szokolay, 1987 : data sheet T.4) - Window : wood frame, single 6mm glass = 5.00 W/m2k - Roof : flat, concred slab, plastered 150 mm, sacred + aspalt 75 mm = 1.80 W/m2k - Floor : concrete slab on ground, 4 edgws exposed 60 x 15 m = 0.32 W/m2k Perhitungan U - value Dinding U =

1 Rsi + Rso + L1/k1 + L2/k2 + L3/k3

dimana : - Tahanan Panas Plastered out side = tebal plesteran/hantaran jenis = L1/k1 0.015/0.5 = 0.03 - Tahanan Panas Dinding = tebal dinding/hantaran jenis = L2/k2 0.12/0.62 = 0.194 - Tahanan Panas Plastered in side = tebal plesteran/hantaran jenis = L3/k3 0.015/0.5 0.015/0.5 = 0.03 ORI

Rso

Utara Timur Selatan

0.053 0.053 0.100

Plester - o L1/k1 0.03 0.03 0.03

Dinding Plester - i L2/k2 L3/k3 0.194 0.03 0.194 0.03 0.194 0.03

Rsi

Rt

U =1/Rt

0.123 0.123 0.123

0.43 0.43 0.477

2.33 2.33 2.10 2

Barat

0.076

0.03

0.194

0.03

0.123

0.453

2.21

2

TABEL DATA IKLIM JAM

To

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

25.3 24.8 24.5 24.2 24.2 24.4 25.1 26 27.1 28.4 29.5 30.4 31 31.2 31.2 30.9 30.5 30.1 29.4 28.8 28 27.3 26.6 25.9

GLOBAL IRRADIANCE (G) HORIZONTAL NORTH EAST SOUTH 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 4 4 4 194 55 484 101 408 107 570 144 625 155 587 178 814 194 529 204 960 221 409 222 1023 235 232 232 960 221 221 222 814 194 194 204 625 155 155 178 408 107 107 144 194 55 55 101 13 4 4 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

WEST 0 0 0 0 0 4 55 107 155 194 221 232 409 529 587 570 484 4 0 0 0 0 0 0

GRAFIK GLOBAL IRRADIANT 1200 nilai

1000

To

800

HORIZONTAL

600

NORTH EAST

400

SOUTH

200

WEST

0 1

3

5

7

9

11

13

jam

15

17

19

21

23

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