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Termodinamika (1- 2) l proses_dan_siklus
- 1. Pertemuan 1 – 2 PROSES DAN SIKLUS Dr. I Made Astra, M.Si Jurusan Fisika Fakultas Matematika dan Ilmu Pengetahuan Alam
- 9. CLOSSED SYSTEM A closed system with a moving boundary. 02/02/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
- 12. OPEN SYSTEM Open system (= control volume ) with one inlet and one outlet (exit) and a real boundary . 02/02/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
- 14. SIFAT INTENSIF vs. EKSTENSIF TUGAS (dikumpul Senin) : Sebuah apel dibelah dua. Buatlah daftar sifat intensif dan ekstensifnya Criterion to differentiate intensive and extensive properties. 02/02/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
- 24. TEKANAN UKUR, TEKANAN ATMOSFER, TEKANAN VAKUM 02/02/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
- 29. EXAMPLE: MULTIFLUID MANOMETER Water in a tank is pressurized by air, and the pressure is measured by a multifluid manometer (see Figure). The tank is located on a mountain at an altitude of 1400 m where the atmospheric pressure is 85.6 kPa. Determine the air pressure in the tank if h 1 = 0.1 m, h 2 = 0.2 m, and h 3 = 0.35 m. Take the densities of water, oil, and mercury to be 1000 kg/m 3 , 850 kg/m 3 , and 13,600 kg/m 3 , respectively. 02/02/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
- 35. TEKANAN ATMOSFER Rule of thumb: naik 10 m, tekanan atmosfer turun 1 mmHg 02/02/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id | ELEVASI (m) TEKANAN (kPa) TEKANAN (mmHg) 0 (sea level) 101.325 760.00 1000 89.88 674.15 2000 79.50 596.30 5000 54.05 405.41 10,000 26.5 198.77 20,000 5.53 41.48
- 36. EFEK KETINGGIAN “… .and whomsoever He wills to send astray, He makes his breast closed and constricted, as if he is climbing up to the sky. Thus Allah puts the wrath on those who believe not.” (QS, 6:125) 02/02/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |
![THERMO vs. HEAT TRANSFER ,[object Object],[object Object],02/02/11 © 2010 Universitas Negeri Jakarta | www.unj.ac.id |](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)