Advanced Brayton Cycle y y Design MAE 4 th Year Project MAE 4 th - - PowerPoint PPT Presentation

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Advanced Brayton Cycle y y Design MAE 4 th Year Project MAE 4 th - - PowerPoint PPT Presentation

Dec 21, 2022 253 likes •344 views

Supercritical CO 2 Advanced Brayton Cycle y y Design MAE 4 th Year Project MAE 4 th Year Project 2010-11 Project History j y 50 kW zero-emission power plant 50 kW zero emission power plant cycle schematic Test Rigs g updated gas

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SLIDE 1

Supercritical CO2 Advanced Brayton Cycle y y Design

MAE 4th Year Project MAE 4th Year Project 2010-11

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SLIDE 2

Project History j y

50 kW zero-emission power plant 50 kW zero emission power plant cycle schematic

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SLIDE 3

Test Rigs g

control system test rig updated gas bearing test rig gas bearing test rig corrosion test rig design

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SLIDE 4

Supercritical CO2 Brayton Cycle p

2

y y

  • high efficiency power conversion

cycle schematic

  • high-efficiency power conversion

system for electricity generation

  • ηth~40-50% for TIT~750 °C
  • reduced compressor work near CP

cycle schematic

p

  • low turbine inlet temperature
  • closed cycle, S-CO2 working fluid
  • attractive characteristics
  • applications
  • nuclear reactor systems
  • nuclear propulsion

ti l d ti

S-CO2 phase diagram T-s diagram

  • conventional power production
  • CHP, trigeneration
  • renewable energy (solar, biomass)

200 300 400 500 600 700

ensity (kg/m3) 89.7 12.5

100 200 300 305 310 315 320 325 330 335 340

De Temperature (K) 2 2

effect of temperature on density

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SLIDE 5

Supercritical CO2 Plant Layout p

2

y

  • simple cycle layout

[Heatric]

  • simple cycle layout
  • small turbomachinery
  • printed circuit heat exchangers
  • compact plant footprint

[SGT6-2000E, Siemens] [ ]

  • compact plant footprint

plant layout – heat exchangers, piping, gearbox, turbomachinery – compressor, turbine, shaft, bearings, coupling p y g , p p g, g , generator

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SLIDE 6

Supercritical CO2 Plant Layout p

2

y

100 MWe supercritical CO2 power plant cycle schematic

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SLIDE 7

Tasks for 2010-11

  • cycle analysis
  • transient and steady state
  • design point and off-design

performance

  • turbomachinery design

aerodynamic analysis and design

  • turbomachinery design
  • compressor and turbine aerodynamics,

secondary air system

  • compressor, turbine, shaft, bearing,

casing structures

  • heat exchanger design
  • control system design

t t h t d t l d l d

structural analysis and design

  • start-up, shut-down, part load, load

shed

  • system integration
  • plant size, component integration,

control system design

plant size, component integration, material compatibility

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SLIDE 8

Questions? Q