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INTRODUCTION

CARA MEMPERKENALKAN DIRI

AriAswara
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INTRODUCTION

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  1. MEKANIKA FLUIDA (MF) (Introduction) Mekanika Fluida: “SUATU ILMU YANG MEMPELAJARI ATAU MENGANALISA TENTANG SIFAT-SIFAT FLUIDA BAIK DALAM KEADAAN DIAM MAUPUN BERGERAK” BERGERAK” SUATU ILMU YANG MEMPELAJARI ATAU MENGANALISA TENTANG SIFAT-SIFAT FLUIDA BAIK DALAM KEADAAN DIAM MAUPUN By. Ridwan_Mechanical Engineering Fluids Mechanics 1

  2. DEFINISI FLUIDA “SUATU ZAT YANG BENTUKNYA DAPAT BERUBAH SECARA TERUS MENERUS AKIBAT ADANYA SUATU GAYA GESER SEBERAPAPUN KECILNYA” By. Ridwan_Mechanical Engineering Fluids Mechanics 2

  3. KATEGORI FLUIDA ? Newtonian dan Non-Newtonian fluids ? Compressible dan in-Compressible fluids ? Dll.. By. Ridwan_Mechanical Engineering Fluids Mechanics 3

  4. Konsep dasar ? Mass density ? Specific Weight ? Relatif Density ? Dynamic Viscosity ? Kinematic Viscosity By. Ridwan_Mechanical Engineering Fluids Mechanics 4

  5. TEKANAN HYDROSTATIC P γ = . h ? P = Tekanan hydrostatic ( N/m2) ? γ = spesific weight (N/m3) ? h = ketinggian (dihitung dari permukaan), m By. Ridwan_Mechanical Engineering Fluids Mechanics 5

  6. PENGERTIAN TEKANAN ? Tekanan Mutlak (absolut) ? Tekanan Meteran (gage pressure) ? Tekanan Atmosfir By. Ridwan_Mechanical Engineering Fluids Mechanics 6

  7. Manometer ? Micro manometer ? Manometer miring By. Ridwan_Mechanical Engineering Fluids Mechanics 7

  8. HUKUM BERNOULLI 2 V P + + ρ = tan gz kons 2 P = Pressure (N/m2) ρ = mass density (kg/m3) V = velocity (m/det) g = perc. Grafitasi (m/de2) z = elevation (m) ? ? ? ? ? By. Ridwan_Mechanical Engineering Fluids Mechanics 8

  9. Karakteristik Aliran Fluida ? Steady flow ? Uniform Flow ? Non steady Flow ? Non uniform Flow By. Ridwan_Mechanical Engineering Fluids Mechanics 9

  10. Aliran ditinjau dari ordinatnya ? Aliran satu Dimensi ? Aliran dua Dimensi ? Aliran tiga Dimensi By. Ridwan_Mechanical Engineering Fluids Mechanics 10

  11. Kategori lain, aliran Fluida: ? Aliran laminar ? Aliran Turbulen ? Aliran Subsonic ? Aliran Transonic ? Aliran supersonic ? Aliran hypersonic ? Aliran Critical, dll…. By. Ridwan_Mechanical Engineering Fluids Mechanics 11

  12. Persamaan Kontinuitas = Pers. Kekekalan massa = = . tan Q A V kons • = ρ = . . tan ( ) m A V kons compressib lefluid Q = kapsitas aliran (m3/ det) A = luas penampang aliran (m2) V = kecepatan aliran (m/ det) ρ ρ = mass density (kg/ m3) m = mass flow rate (Kg/ det) By. Ridwan_Mechanical Engineering Fluids Mechanics 12

  13. Reference: ? Munson, BR. “Fundamentals of Fluids Mechanics”. Jhon Willey & Sons. Inc. 2002 ? Olso, RM & Wright, JS, introduction of Fluids Mechanics. Printice Hall. 1994 ? Ridwan, Pengantar Mekanika Fluida, Gunadarma University. 1999 ? Etc.. By. Ridwan_Mechanical Engineering Fluids Mechanics 13

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