1. Martti Veuro

2. Principles of HEVAC design Course Spring term Fluid mechanics Pressure loss / drop calculations in pipe systems

3. Hydraulics
Introduction
Pipe dimensioning
Fluids
Pipe systems
Open and closed systems
Pipeline systems
Pressure
Definition
Overpressure, under pressure, pressure difference
Static pressure, dynamic pressure and total pressure
Types of flow
Viscosity, dynamic and kinematic
Reynolds number
Laminar flow
Turbulent flow
Classification of flows
Pressure losses of flow in pipes
Pressure losses and flow resistance
Pressure losses by friction
Moody diagram

4. Pressure losses of flow in pipes
Local losses
Local loss coefficients
kv value
Total pressure losses in pipe systems
Pressure losses by friction
Pressure losses by local losses
Characteristic curve of pressure losses in pipe systems
Calculations of pressure losses
Procedure
Dimensioning diagrams
Hydraulic diameter
Design of pipe networks
Placing and construction of pipework
General design procedure
Pipe diameter selection