Concept of process - thermodynamics, Mechanical Engineering

Assignment Help:

Concept of process - Thermodynamics:

A process can be defined as change in the state or condition of a substance or working medium. For instance, heating or cooling of thermodynamic medium, compression or expansion of gas, flow of fluid from one location to another. In thermodynamics there are 2 types of process; Flow process and Non flow process.

Flow Process: The processes in open system permit transfer of mass to and from the system. Such process is called as flow process. The mass enters the system and leaves when energy is exchanged energy. For example I.C. Engine, Boilers.

Non-Flow Process: The process taking place in closed system where there is no transfer of mass across the boundary is called as non flow process. In this type of process the energy in the form of heat and work cross boundary of system.

1386_Concept of process.png

In steady flow fluid flow at uniform rate and flow parameter do not change with time. For example if absorption of heat work output, gas flow etc. occur at uniform rate (Not changing with time), the flow will be called as steady flow. But if these vary throughout cycle with time, the flow will be called as non steady flow process for example, flow of gas or flow of heat in an engine but if long interval of time is chosen as criteria for these flows, engine will be known to be operating under non - flow condition.

 


Related Discussions:- Concept of process - thermodynamics

Time dilation, Time Dilation The measurement of time involves the conce...

Time Dilation The measurement of time involves the concept of clocks attached at each position co-ordinate of a Lorentz frame. As a consequence of Lorentz transformations, it i

THERMODYNAMICS, what is second law of thermodynamics

what is second law of thermodynamics

General tools of tool and equipment , GENERAL TOOLS: General tools include...

GENERAL TOOLS: General tools include spanners, screw drivers, files, pliers, vices, punches, mallets, chisels, grinders, drilling machine, oil and grease guns, etc.

Improvement of existing airport, Improvement Of Existing Airport: The ...

Improvement Of Existing Airport: The improvements that are usually needed for existing airports fall under the following categories : (a)        Extension of runway to acco

Element stiffness matrices, Use three frame elements to analyse the frame s...

Use three frame elements to analyse the frame structure as depicted in the image below subjected to combined loadings: a) a concentred load applied  on Element 1  at  its  1/3 leng

Force analysis, explain with suitable eg. static and dynamic force analysis...

explain with suitable eg. static and dynamic force analysis

Process of steam generation unit, Q. Process of Steam generation unit? ...

Q. Process of Steam generation unit? BFW from water treatment area is sent to the BFW Booster pumps at temperature around 105°C. The BFW is then heated and fed to the HP BFW Pu

Kinetics of a particle, Kinetics of a Particle: We have seen the effec...

Kinetics of a Particle: We have seen the effect of forces on a particle. The laws of motion for a particle are extended to include a system of particles or a rigid body. It is

Quenching and tempering, Quenching and Tempering Cast iron pearlite st...

Quenching and Tempering Cast iron pearlite structure might be heated to lower critical temperature and after that quenched to effect extremely rapid cooling. This treatment re

Mechanics, definition of open and cross belt drive

definition of open and cross belt drive

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd