SUMMARY OF INTRODUCTION AND OVERVIE

SUMMARY

In this chapter, some basic concepts of thermal-fluid sciences are introduced and discussed. The physical sciences that deal with energy and the transfer, transport, and conversion of en- ergy are referred to as thermal-fluid sciences, and they are studied under the subcategories of thermodynamics, heat trans- fer, and fluid mechanics.

Thermodynamics is the science that primarily deals with en- ergy. The first law of thermodynamics is simply an expression of the conservation of energy principle, and it asserts that en- ergy is a thermodynamic property. The second law of thermo- dynamics asserts that energy has quality as well as quantity, and actual processes occur in the direction of decreasing qual- ity of energy. Determining the rates of heat transfer to or from a system and thus the times of cooling or heating, as well as the

variation of the temperature, is the subject of heat transfer. The basic requirement for heat transfer is the presence of a temper- ature difference. A substance in the liquid or gas phase is referred to as a fluid. Fluid mechanics is the science that deals with the behavior of fluids at rest (fluid statics) or in motion (fluid dynamics), and the interaction of fluids with solids or other fluids at the boundaries.

When solving a problem, it is recommended that a step-by-step approach be used. Such an approach involves stat- ing the problem, drawing a schematic, making appropriate as- sumptions, applying the physical laws, listing the relevant properties, making the necessary calculations, and making sure that the results are reasonable.

Related posts:

Selection process retrofitting to existing equipment:Retrofitting a motor mounted VFD
Pumping system hydraulic characteristics:System characteristics
Valves and Sensors:Air flow measurement
Air only relationships:Venturi analysis and High pressure applications.
High pressure:Rotary valves,Blow tanks,Basic blow tank types and Top and bottom discharge.
Erosive wear:Wear of straight pipeline
Design procedures:Logic diagram for system design
Pipeline scaling parameters:Pipeline material
Material property influences:Dicalcium phosphate
Conveying characteristics:Energy considerations and The influence of conveying air velocity.
Control components in a hydraulic system:Sequencing valve.
Introduction to hydraulics:Introduction and background
Sequencing applications.
Service units.
Air receivers and compressor control.

Leave a comment

Your email address will not be published. Required fields are marked *