Upload File

basic analysis of steam generators p m v subbarao professor mechanical engineering department...

  • Home
  • Documents
  • Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……
16
Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Upload: lewis-payne

Post on 27-Dec-2015

221 views

Category:

Documents


1 download

Report

Tags:

TRANSCRIPT

Page 1: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Basic Analysis of Steam Generators

P M V SubbaraoProfessor

Mechanical Engineering Department

Fundamental Ideas for Systematic Development of Steam Generators……

Page 2: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Steam Generation Theory

Page 3: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

First Law for Steam Generator:SSSF

m water

m fuel

m air

m steam

m fluegas

Q

Q

W

0dt

dmcm

Reynolds Transport Theorem:

0 inletexitcvcm mmdt

dm

dt

dm

Conservation of Mass

Page 4: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Conservation of Mass for SSSF

0 inletexit mm

ucashfluegassteamairfuelwater mmmmmmm

Conservation of Energy:cm

cmcm W

dt

dEQ

inletinletexitexitcvcm ememdt

dE

dt

dE

cvinletinletexitexitcv

cv Wememdt

dEQ

Page 5: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Conservation of Energy for SSSF

fansUCUCAshAshfluegasfluegassteamsteam

fuelfuelairairwaterwaterloss

Whmhmhmhm

hmhmhmQ

m water

m fuel

m air

m steam

m fluegas

Q

Q

W

Page 6: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

First Law Analysis of Furnace:SSSF

m fuel

m air

Qsteam

Qloss

Wfans

ucashfluegas mmm

fansUCUCAshAshfluegasfluegas

fuelfuelSASAPAPAlosssteam

Whmhmhm

hmhmhmQQ

ucashfluegasSAPAfuel mmmmmm

Page 7: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

First Law for Steam Generator:SSSF

m waterm steam

Qsteamsteamwater mm

steamsteamwaterwatersteam hmhmQ

Page 8: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Gas to Liquid Heat Exchange

Liquid Heating

Page 9: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Mechanism of Heat Transfer :Generalized Newton’s Law of Cooling

• Rate of heat transfer from hot gas to cold steam is proportional to:

• Surface area of heat transfer

• Mean Temperature difference between Hot Gas and Cold Steam.

meansur TAQNEWTON

Thot gas,in

Tcold steam,in

Thot gas,out

Tcold steam,out

Page 10: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Thot gas,in

Tcold steam,in

Thot gas,out

Tcold steam,out

Thot gas,in

Tcold steam,in

Thot gas,out

Tcold steam,out

Page 11: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Log Mean Temperature Difference

• Rate of Heat Transfer

• U Overall Heat Transfer Coefficient, kW/m2.K

min

max

minmax

log3.2TT

TTTLMTD

LMTDsurNEWTON TAUQ

Page 12: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Gas to Liquid Heat Exchange

Liquid Heating

Page 13: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Role of SG in Rankine Cycle

Perform Using Natural resources of energy …….

Page 14: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Role of SG in Rankine Cycle

Page 15: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

Impact cycle on Construction of Steam Generator

Evaporator

Superheater

Economizer

Page 16: Basic Analysis of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Fundamental Ideas for Systematic Development of Steam Generators……

DPNL SH

Platen SHT

R

RHTR

LTSH

Economiser

APH ESP ID Fan

drum

Furnace

BCWpump

Bottom ash

stack

screentubes

Thermal Structure of A SG


Training Session4 - Heat Recovery Steam Generators

44962346 Heat Recovery Steam Generators

Garioni Naval - Steam Generators

PACKAGED STEAM GENERATORS

Supercritical Steam Generators for Cleaner Environment

Impact & Evolution of Steam Generators P M V Subbarao Professor Mechanical Engineering Department Creator of Science to perfect itself

MULTIPHASE HEAT TRANSFER P M V Subbarao Associate Professor Mechanical Engineering Department IIT Delhi Rules for Design of Steam Generators………

packaged steam generators - Vapor Power QuaLity steam Guaranteed 99%+ dry steam ... boilers, packaged steam generators and thermal fluid heaters, Vapor Power International has everything

STEAM TURBINE GENERATORS, LLC

Steam Generators - hygromatik.com · HygroMatik steam generators Different performance classes for all kinds of uses HygroMatik steam generators produce mineral-free, hygienic steam

Heat Recovery Steam Generators Hrsg

2.206 PRESENTATION Replacement Steam Generators

HEAT RECOVERY STEAM GENERATORS

Heat Recovery Steam Generators - Foster Wheeler · Heat Recovery Steam Generators 2 A long history with Heat Recovery Steam Generators Since we supplied our first HRSG to the Rio

Chapter 4 Properties of Steam and Steam Generators

Gas & Steam Turbine Generators - Nidec

ASME PTC 4.1 Steam Generators

MEL 725: Power Plant Steam Generators P M V Subbarao Professor Mechanical Engineering Department A First Stage Technology for the Development of Civilization!!

Fired Benson® Steam Generators

Chapter 3 Steam Generators - Philadelphia University · Steam Generators Part 4 1. Steam Generators Control System 2. Feedwater and Drum-Level Control • Normally the drum is kept

STEAM GENERATORS INTRODUCTION: Various · 2016-06-09 · STEAM GENERATORS INTRODUCTION: Various steam generators are available to suit the particular size and materials used for constructing

STEAM GENERATORS FOR NUCLEAR POWER PLANT

Overview Heat Recovery Steam Generators

Aalborg CSP steam generators

Industrial steam generators - Foster Wheeler · PDF fileGeneral design features: ... 5 Industrial Steam Generators Industrial Steam Generators 6 ... been an integral part of our steam

Steam Generators and Steam Distribution Networks · UNESCO – EOLSS SAMPLE CHAPTERS CONTROL SYSTEMS, ROBOTICS, AND AUTOMATION - Vol. XVIII - Steam Generators and Steam Distribution

Boilers and Steam Generators - BG Peterson

Steam Generators Sioux Steam-FloSteam-Flo ® Steam Generators Sioux has been the number one manufacturer of portable Steam-Flo® steam generators since 1939. A wide variety of models

INSIGNIA STEAM GENERATORS - Fastly

Steam Generators Classifications

Basics of Supercritical Steam Generators Thermodynamically Obvious Choice but …. Why Arent There More Supercritical Units? P M V Subbarao Professor Mechanical

STEAM GENERATORS INTRODUCTION: Variousdocs.certikin.com/manuales/steam_man_certikin_steam_generator... · STEAM GENERATORS INTRODUCTION: Various steam generators are available to

Once Through Steam Generators - The McIlvaine · PDF fileOnce Through Steam Generators Design, Operation, and Maintenance Considerations Landon Tessmer Innovative Steam Technologies

Study of Steam Generators

Steam Generators