canisius college heat insulation thermal comfort design consultation
DESCRIPTION
Konsultasi Design Thermal Insulation dengan sasaran: -Meningkatkan kenyamanan termal menjadi Standard 55-2004 atau penurunan satu sampai dengan dua derajat celcius. -menurunkan nilai energy radiasi dan konduksi dari jendela, atap dan dinding minimal 50% -Mengurangi nilai radiasi panas artificial lighting minimal 40%TRANSCRIPT
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HEAT INSULATION THERMAL COMFORT DESIGN CONSULTATION
Canisius College Sport Hall
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OUTLINE• Pendahuluan• Teori• Hasil Pengukuran• Hipotesa Permasalahan & Solusi• Rekomendasi Disain & Simulasi• Kesimpulan & Saran
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PENDAHULUAN
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Function, Occupancy, TimeOccupancy Waktu Outdoor Temp
Latihan Olahraga: Basket, Bulu Tangkis, Senam 1 – 100 8.00 – 21.00 26 - 34
Latihan Kesenian: Paduan suara, alat musik, seni tari, drama, dll
1 – 100 8.00 – 21.00 26 - 34
Pertandingan Olahraga: Basket, Bulu Tangkis
50 – 200 8.00 – 21.00 26 - 34
Pertunjukan Seni: Paduan suara, Band, Alat musik tiup, drama
50 – 200 8.00 – 21.00 26 - 34
Acara Formal: Wisuda, misa, briefing, seminar 300 – 500 8.00 – 21.00 26 - 34
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Latar Belakang Permasalahan• Siang hari matahari terang ruangan terisi
sampai dengan 50 orang sekitar 80% yang puas dengan kenyamanan termal
• Apabila ruangan terisi lebih dari 300 orang ruangan terasa panas maka lebih dari 50% yang mengeluhkan ketidak-nyamanan termal
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Tujuan• Menurunkan suhu ruangan dengan mengurangi
radiasi matahari melalui jendela• Menurunkan suhu ruangan dengan mengurangi
konduksi panas matahari melalui atap dan plafon
• Menurunkan suhu ruangan dengan mengurangi radiasi panas artificial lighting
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Sasaran• Meningkatkan kenyamanan termal menjadi upper line
90% adaptive comfort (garis merah) ASHRAE Standard 55-2004 atau penurunan satu sampai dengan dua derajat celcius.
• menurunkan nilai energy radiasi dan konduksi dari jendela, atap dan dinding minimal 50%
• Mengurangi nilai radiasi panas artificial lighting minimal 40%
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Standarisasi ASHRAE Standard 55-2004 • kenyamanan termal PPD mengacu ke ASHRAE Standard 55-2004 pada upper line 80% adaptive comfort (garis
merah)
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TEORI
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Radiasi panas
Posisi orientasi bangunan terhadap matahari
• Rambatan panas melalui rambatan sinar matahari (radiasi) masuk melalui jendela yang menghadap timur-barat.
• Radiasi panas juga disebabkan oleh artificial lighting
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Pengendalian panas radiasi sinar matahari
• Mengatur Orientasi Jendela pada Bangunan– Menghindari atau mengurangi luas jendela atau bukaan bangunan yang menghadap ke
arah timur-barat– Menggunakan material kaca jendela dengan material SHGC (Solar Heat Gain Coeficient)
comply
• Membuat design penghalang panas (façade) akibat sinar matahari langsung– Overhang horisontal yang melampaui lebar jendela di bagian atas jendela untuk
menciptakan shadow effect– Fasad menghadap ke arah timur / barat– Louvered berlubang, untuk mencegah gelap dalam ruangan pada saat mendung dan
hujan.
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Konduksi panas • Konduksi panas adalah rambatan panas melalui
medium benda padat. Panas matahari tersimpan pada tanah dan struktur bangungan yang kemudian memanaskan suhu dalam ruangan dengan adanya aliran udara (konveksi).
• Konveksi panas adalah rambatan panas melalui medium udara atau cairan yang mengalir.
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Pengendalian panas konduksi bangunan• Membungkus medium bangunan dengan insulasi• Membuat aliran pelepasan panas pada lantai• Menggunakan material dengan nilai konduksi rendah
warm, Humid ClimatesWindow Frame Aligned with Wall
Insulation
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Konveksi Panas• Konveksi panas adalah rambatan panas melalui
medium udara atau cairan yang mengalir. • Sumber panas yang dialirkan oleh konveksi panas
adalah panas tubuh manusia, panas bangunan, panas peralatan mesin dan listrik
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Pengendalian panas konveksi panas
• Membuat aliran udara alami yang mengeluarkan udara panas dari dalam bangunan dan memasukan udara yang lebih dingin ke dalam bangunan
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HASIL PENGUKURAN21 MEI 2014
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27,3--28,227,3--28,5
28,0--30,0
Suhu (°C) Permukaan Lantai pukul 10.00 dan 14.00
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28,9--29,8 28,0--30,3
27,629,0
27,9--31,5 28,6--31,5
28,729,7
Suhu (°C) Dinding Permukaan Dalam dan Luar pukul 10.00 dan 14.00
28,6--28,2 28,3--28,3
29,828,3
43,5--36,542,3--36,2
29,328,7
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Suhu (°C) Sisi Atas Permukaan Luar pukul 10.00 dan 14.00
32,2--30,9 31,7--31,3
42,132,9
35,9--32,242,3--36,2
29,328,7
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30,0--32,1 29,6--32,8
28,930,8
28,4--32,0 28,5--31,8
29,631,3
Suhu (°C) Plafon pukul 10.00 dan 14.00
29,132,0
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1 2 3 4 5 6
7
8
14 13 12 11 10 9
16
15
Pengukuran Suhu (°C) Permukaan DalamTitik Pukul 10.00 Pukul 14.00
Dinding Plafon Dinding Plafon
1 28,7 30 29,6 31,7
2 29 30 29,9 32
3 29 30 29,7 32,4
4 28 29,7 29,9 32,3
5 28 29,5 30,2 33
6 28 29,5 30,6 33
7 27,4 28,8 28,8 30,6
8 27,7 28,9 29,2 31
9 28,5 28,5 31,3 31,7
10 28,3 28,4 31,4 31,8
11 28,8 28,5 31,7 31,8
12 28,2 28,4 31,6 32,3
13 28 28,4 31,5 32
14 27,5 28,3 30,9 31,6
15 28,8 29,5 29,6 31
16 28,6 29,6 29,7 31,5
Suhu dalam ruangan: 29,8°C – 30,3°CSuhu luar ruangan: 32°C – 34°C Kelembaban: 54% – 56%
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Titik Pukul 10.00 Pukul 14.00
Sisi Bawah Sisi Atas Sisi Bawah Sisi Atas
1 28,7 32,6 28,2 30,4
2 28,3 31,8 28,2 30,6
3 28,6 32 28,2 31,6
4 28,2 31,8 28,3 31,1
5 28,2 31,2 28,2 31,5
6 28,4 31,9 28,2 31,1
7 29,5 42,6 28,4 31,3
8 30 41,5 28,2 34,5
9 42,9 36 36,4 32,1
10 44,1 35,6 36,5 32,4
11 43,3 35,9 36,4 32
12 43 36,4 36,4 32,2
13 42,7 35,4 36,2 31,8
14 41,2 35,8 35,8 31,5
15 29,5 35,5 28,8 31,9
16 29 34,6 28,6 30,9
1 2 3 4 5 6
7
8
14 13 12 11 10 9
16
15
Pengukuran Suhu (°C) Permukaan Luar
Suhu lantai lapangan luar pkl 10 45,5 °CSuhu lantai lapangan luar pkl 14 36,5 °C
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1 2 3 4 5 6 7 8 9 10
Pengukuran Laju Udara (m/s) pada Lubang Angin BawahTitik Pukul 10 Pukul 14
1 1,1 0,65 (out)
2 1,4 0,65 (out)
3 1,33 1,37
4 1,08 1,4
5 1,46 0,21
6 0,9 1,64
7 0,83 1,01
8 1,3 1,8
9 0,72 0,9
10 0,58 0,72
Rata-rata 1,07 1,04
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HIPOTESA PERMASALAHAN & SOLUSI
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Existing Design Thermal Parameter
Project SummaryLocation and Weather Project Canisius CollageAddress Menteng Jakarta
Calculation Time Friday, August 29, 2014 11:35 AM
Report Type DetailedLatitude -6.18°Longitude 106.83°Summer Dry Bulb 33 °CSummer Wet Bulb 27 °CWinter Dry Bulb 22 °CMean Daily Range 8 °C
Building SummaryInputs Building Type Sports ArenaArea (m2) 852Volume (m3) 10,543.55Calculated Results Peak Cooling Total Load (W) 392,556
Peak Cooling Month and Hour November 3:00 PM
Peak Cooling Sensible Load (W) 258,686
Peak Cooling Latent Load (W) 133,869Maximum Cooling Capacity (W) 379,829Peak Cooling Airflow (L/s) 83,294.2Peak Heating Load (W) 39,305Peak Heating Airflow (L/s) 7,500.0Checksums Cooling Load Density (W/m2) 460.65Cooling Flow Density (L/(s·m2)) 97.74Cooling Flow / Load (L/(s·kW)) 212.18Cooling Area / Load (m2/kW) 2.17Heating Load Density (W/m2) -46.12
Heating Flow Density (L/(s·m2)) 8.80
Input DataArea (m2) 852Volume (m3) 10,543.56Wall Area (m2) 1,354Roof Area (m2) 1,023Door Area (m2) 12Partition Area (m2) 0Window Area (m2) 248Skylight Area (m2) 0Lighting Load (W) 21,100Power Load (W) 9,169Number of People 500Sensible Heat Gain / Person (W) 73Latent Heat Gain / Person (W) 59Infiltration Airflow (L/s) 261.4
Space Type Court Sports Area - Sports Arena
Calculated ResultsPeak Cooling Total Load (W) 222,089Peak Cooling Sensible Load (W) 193,566Peak Cooling Latent Load (W) 28,523Peak Cooling Airflow (L/s) 83,293.7
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Hipotesa• Dari hasil pengukuran temperature outdoor
dan indoor pada saat tertentu berada pada 80% PPD Ashrae 55-2004
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Konduksi, Radiasi dan Konveksi (Existing)
• Cooling Load bidang atap 56.825W• Cooling Load bidang dinding 9.676W• Cooling Load jendela ventilasi 70.714W• Cooling Load lampu eksisting 18.404W• Cooling Load tubuh manusia 51.460W
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Solusi Efisien• Memasang heat insulation material di plafon
yang berfungsi sebagai light baffle dan acoustics treatment.
• Mengganti material kaca jendela dengan material SHGC (Solar Heat Gain Coeficient).
• Mengganti lampu dengan lampu hemat energy dan low heat.
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REKOMENDASI DESIGN
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Rekomendasi Design• Memasang heat insulation material Acourete Board
pada plafon ±300 m2• Mengganti seluruh material kaca jendela dengan
EVONIK ACRYLITE, acrilic yang dapat memblock/mereduce IR 75% dan UV 100% ±210 m2
• Mengganti lampu High Intensity Discharge (HID) dengan lampu OSRAM PURSOS 120W.
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Rekomendasi DesignSuggest Product : ACOURETE BOARD 230,
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Rekomendasi DesignSuggest Product : EVONIK ACRYLITE, acrilic yang dapat memblock/mereduce IR 75% dan UV 100%
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Rekomendasi DesignSuggest Product : OSRAM PURSOS 120W, LED Spotlight
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New Design Thermal Parameter
Project SummaryLocation and Weather Project Project NameAddress
Calculation Time Friday, August 29, 2014 11:36 AM
Report Type DetailedLatitude -6.18°Longitude 106.83°Summer Dry Bulb 33 °CSummer Wet Bulb 27 °CWinter Dry Bulb 22 °CMean Daily Range 8 °C
Building SummaryInputs Building Type Sports Arena
Area (m2) 852Volume (m3) 10,028.46Calculated Results
Peak Cooling Total Load (W) 241,037
Peak Cooling Month and Hour November 5:00 PM
Peak Cooling Sensible Load (W) 142,245Peak Cooling Latent Load (W) 98,793Maximum Cooling Capacity (W) 227,708
Peak Cooling Airflow (L/s) 40,083.5Peak Heating Load (W) 35,604Peak Heating Airflow (L/s) 7,500.0
Checksums
Cooling Load Density (W/m2) 282.85Cooling Flow Density (L/(s·m2)) 47.04
Cooling Flow / Load (L/(s·kW)) 166.30Cooling Area / Load (m2/kW) 3.54Heating Load Density (W/m2) -41.78
Heating Flow Density (L/(s·m2)) 8.80
Input DataArea (m2) 852Volume (m3) 10,028.46Wall Area (m2) 1,444Roof Area (m2) 974Door Area (m2) 12Partition Area (m2) 0Window Area (m2) 222Skylight Area (m2) 0Lighting Load (W) 21,100Power Load (W) 9,169Number of People 500Sensible Heat Gain / Person (W) 73Latent Heat Gain / Person (W) 59Infiltration Airflow (L/s) 139.4
Space Type Court Sports Area - Sports Arena
Calculated ResultsPeak Cooling Total Load (W) 119,301Peak Cooling Sensible Load (W) 93,149Peak Cooling Latent Load (W) 26,153Peak Cooling Airflow (L/s) 40,083.0
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Konduksi, Radiasi dan Konveksi(Re-design)
• Cooling Load bidang atap 16.925W• Cooling Load bidang dinding 12.141W• Cooling Load jendela ventilasi 18.108W• Cooling Load lampu 9.223W• Cooling Load tubuh manusia 51.767W
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Penurunan daya yang dibutuhkan dari 222kW menjadi 119kW…..penghematan sebesar 46,4%
Re-design Calculation
Existing Calculation
Cooling Components Total (W) PercentageWall 9,676 4.36%Window 70,714 31.84%Door 684 0.31%Roof 56,825 25.59%Infiltration 6,328 2.85%Lighting 18,404 8.29%Power 7,998 3.60%People 51,460 23.17%Total 222,089 100%
Cooling Components Total (W) PercentageWall 12,141 10.18%Window 18,108 15.18%Door 718 0.60%Roof 16,925 14.19%Infiltration 3,375 2.83%Lighting 9,223 7.73%Power 7,044 5.90%People 51,767 43.39%Total 119,301 100%
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Kesimpulan• Pengunaan material acrylite heatstop me-reduce panas dari
jendela sebesar 74,4%• Pengunaan material acourete board me-reduce panas dari
atap sebesar 70,22%• Pengunaan lighting baru me-reduce panas daripada lighting
lama sebesar 49,89%• Estimasi penurunan suhu ruangan sebesar 1-2o Celcius dapat
tercapai