Mekanika Fluida Minggu 01

Presentasi berjudul: "Mekanika Fluida Minggu 01"— Transcript presentasi:

1 Mekanika Fluida Minggu 01
Priyambodo, ST, MT Mochamad Yusuf Santoso, ST, MT, MSc

2 Mekanika Fluida – Ruang Lingkup
Satuan dan Analisa Dimensi Tekanan Hydrostatics Hukum Archimedes Hukum Kontinuitas Garis Energi dan Garis Derajad Hydraulic Head Turun Mayor Head Turun Minor Diagram Mody Karta Hazen Williams Ekivalen Pipa Pipa Bersambung, bercabang, beruntai Daya pompa

3 Pendahuluan Mekanika Fluida terjadi pada sekitar kita :
Aliran darah melalui pembuluh darah Kapal berlayar di sungai, Pesawat terbang di angkasa Udara bergerak melewati wind tunnel Udara dimampatkan pada kompresor Uap berexpansi melalui bilah turbin Bendungan yang menahan air Udara dipanaskan / didinginkan di rumah Komputer memerlukan udara untuk mendinginkan komponen

4 Hydrostatics - Application
Hydro - water. Static - isn't moving. Application : Water Dam – mass Water Tank, infus – height Toilet Boats Lifesavers

5 Archimedes - Application
Archimedes' principle the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces Submarine Hot-air balloon Hydrometer Ship Fishes

6 Piping Structural steel pipe racks typically support pipes, power cables and instrument cable trays in petrochemical, chemical and power plants. Occasionally, pipe racks may also support mechanical equipment, vessels and valve access platforms. Main pipe racks generally transfer material between equipment and storage or utility areas. Storage racks found in warehouses are not pipe racks, even if they store lengths of pipe.

7 Dimensi, Unit dan Satuan

8

9 Dimensi, Unit dan Satuan

10 Dimensi, Unit dan Satuan
Stress Vector : Force Vector divided by the area upon which it acts Normal Stress : normal to the area Shear Stress : tangent to the area Shear Stress : gas , ketchup Temperature Pressure Pgage : pressure relative to atmospheric pressure Pabsolute : zero in the volume the is void of molecules, an ideal vacuum Patmosphere the atmospheric pressure at the location where the pressure measurement is made -> elevation = 100 kpa Vacuum / negative pressure (-30 kpa = 70kpa absolute or vacuum 30 kpa)