Fluid mechanics

Fluid Kinematics , tailored for competitive exams like SSC JE , HPCL , and other PSUs —along with relevant previous year questions (PYQs) and their explanations. 💧 Fluid Kinematics –  ✅ What is Fluid Kinematics? Fluid kinematics is the study of fluid motion without considering the forces or energy that cause the motion. It focuses only on velocity, acceleration, and flow description using streamlines, pathlines, etc. 📘 Key Concepts in Fluid Kinematics 1. Types of Flow Flow Type Description Steady Flow Flow properties (velocity, pressure) do not change with time Unsteady Flow Flow properties vary with time Uniform Flow Properties are the same at every point in space Non-Uniform Flow Properties vary from point to point Laminar Flow Streamlined, orderly layers (Re < 2000) Turbulent Flow Random, chaotic flow (Re > 4000) Compressible Flow Density changes (gases) Incompressible Flow Density constant (liquids) 2. Flow Descripto...

  Fluid Kinematics Fluid Kinematics  deals with the motion of fluids such as displacement, velocity, acceleration, and other aspects. This topic is useful in terms of the exam and the knowledge of the candidate. Kinematics is the branch of classical mechanics that describes the motion of bodies and systems without consideration of the forces the cause the motion. Types of Fluid Flows Fluid flow may be classified under the following headings; Steady & Unsteady Flow Uniform & Non-uniform Flow Steady uniform flow Conditions do not change with position in the stream or with time. E.g. flow of water in a pipe of constant diameter at a constant velocity. Steady non-uniform flow Conditions change from point to point in the stream but do not change with time. E.g. Flow in a tapering pipe with the constant velocity at the inlet. Unsteady uniform flow At a given instant in time the conditions at every point are the same but will change with time. E.g. A pipe of constan...