Concepts and definitions of thermodynamics, Civil Engineering

Assignment Help:

System

A system (often called a closed system) is any collectionof matter within a prescribed boundary, but no matter may enter or leave the system. 

Note

1. That the boundary may be real or imaginary and theshape of the boundary can change E.g.

604_concept of thermodynamics.png

2167_concept of thermodynamics1.png

2. Different parts of the system may be at different temperatures, pressures and velocities and may contain different sorts of matter.

3. If a fluid is passing steadily through a reservoir so thatthe mass in the reservoir is constant, we still can notconsider the reservoir as a system. Matter is crossing the boundary.

1370_concept of thermodynamics2.png

4. A system only has two kinds of interaction with itssurroundings.   Work and Heat. 

1765_concept of thermodynamics3.png

Positive WORK is done by a system, during a given operation, when the sole effect external to the systemcould be reduced to the rise of a weight. 

1185_concept of thermodynamics4.png


Related Discussions:- Concepts and definitions of thermodynamics

Calculate the fuel consumed, A 160-HP Diesel engine (peak fuel consumption ...

A 160-HP Diesel engine (peak fuel consumption = 0.04-gal/HP-hr) hydraulic excavator operates on a cycle time of 20 seconds during a 50-min/hr.  During the filling of the bucket cyc

Sir I want to do assignments, sir I want to do assignments which were provi...

sir I want to do assignments which were provided by you sir could you please check with that

Difference between road gullies and catch pits, Q. Difference between road ...

Q. Difference between road gullies and catch pits? Both road gullies and catchpits are the two fundamental types of drainage inlets of drainage system. However they are designe

Spatial structures loading, Spatial Structures Loading Dead load D...

Spatial Structures Loading Dead load Dead loads include the weight of permanent components such as elements and spheres weight, casing weight, false ceiling weight and uti

Stones, what are the different type of stones?

what are the different type of stones?

Choosing between trailer suction hopper and grab dredgers, Question In ...

Question In search reclamation, what are considerations in choosing between trailer suction hopper dredgers and grab dredgers ? Answer Trailer suction hopper dred

Dense Bituminous Macadam, What is DBM?Why use DBM where other binder course...

What is DBM?Why use DBM where other binder courses are available?What is composition and advantages of using DBM?

Breakwaters - harbour layout, Breakwaters: A breakwater is an artific...

Breakwaters: A breakwater is an artificial structure constructed in the sea to protect ships from the effect of waves and storms. Three types of breakwaters are common :

Culverts - causeway and bridges, Culverts, Causeway and Bridges: Roads...

Culverts, Causeway and Bridges: Roads have to cross several natural streams like - rivers and canals. They also have to cross railway lines and cross-roads. The structures nee

Geodesy, what is the difference between geodesy and plane survey

what is the difference between geodesy and plane survey

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