Dynamic Simulation and Optimization for the Start-up Operation of An Ethylene Oxide Plant

2010 ◽  
Vol 49 (9) ◽  
pp. 4360-4371 ◽  
Author(s):  
Xiongtao Yang ◽  
Qiang Xu ◽  
Kuyen Li ◽  
Chirag D. Sagar
Keyword(s):  
Ethylene Oxide ◽  
Dynamic Simulation ◽  
Simulation And Optimization ◽  
Start Up

scholarly journals Dynamic Simulation and Optimization for Arthrospira platensis Growth and C-Phycocyanin Production

2015 ◽  
Vol 54 (43) ◽  
pp. 10606-10614 ◽  
Author(s):  
Ehecatl Antonio del Rio-Chanona ◽  
Dongda Zhang ◽  
Youping Xie ◽  
Emmanuel Manirafasha ◽  
Keju Jing
Keyword(s):  
Dynamic Simulation ◽  
Arthrospira Platensis ◽  
Simulation And Optimization

Combined-Cycle Start-Up Procedures: Dynamic Simulation and Measurement

2016 ◽  
Author(s):  
Nicolas J. Mertens ◽  
Falah Alobaid ◽  
Bernd Epple ◽  
Hyun-Gee Kim
Keyword(s):  
Power Plant ◽  
Dynamic Simulation ◽  
Steam Generator ◽  
Heat Recovery ◽  
Thermal Stresses ◽  
Measurement Data ◽  
Combined Cycle ◽  
Heat Recovery Steam Generator ◽  
Start Up ◽  
Fast Start

The daily operation of combined-cycle power plants is increasingly characterized by frequent start-up and shutdown procedures. In addition to the basic requirement of high efficiency at design load, plant operators therefore acknowledge the relevance of enhanced flexibility in operation — in particular, fast start-ups — for plant competitiveness under changing market conditions. The load ramps during start-up procedure are typically limited by thermal stresses in the heat recovery steam generator (HRSG) due to thick-walled components in the high pressure circuit. Whereas conventional HRSG design is largely based on simple steady-state models, detailed modelling and dynamic simulation of the relevant systems are necessary in order to optimize HRSG design with respect to fast start-up capability. This study investigates the capability of a comprehensive process simulation model to accurately predict the dynamic response of a triple-pressure heat recovery steam generator with reheater from warm and hot initial conditions to the start-up procedure of a heavy-duty gas turbine. The commercial combined-cycle power plant (350 MWel) was modelled with the thermal-hydraulic code Apros. Development of the plant model is based on geometry data, system descriptions and heat transfer calculations established in the original HRSG design. The numerical model is validated with two independent sets of measurement data recorded at the real power plant, showing good agreement.

scholarly journals Pressure-driven dynamic simulation of start up and shutdown procedures of distillation columns in air separation units

2019 ◽  
Vol 147 ◽  
pp. 98-112 ◽  
Author(s):  
Robert Kender ◽  
Bernd Wunderlich ◽  
Ingo Thomas ◽  
Andreas Peschel ◽  
Sebastian Rehfeldt ◽  
...  
Keyword(s):  
Dynamic Simulation ◽  
Air Separation ◽  
Distillation Columns ◽  
Start Up ◽  
Pressure Driven

Dynamic simulation of a triple-pressure combined-cycle plant: Hot start-up and shutdown

Fuel ◽  
2016 ◽  
Vol 167 ◽  
pp. 135-148 ◽  
Author(s):  
Nicolas Mertens ◽  
Falah Alobaid ◽  
Thomas Lanz ◽  
Bernd Epple ◽  
Hyun-Gee Kim
Keyword(s):  
Dynamic Simulation ◽  
Combined Cycle ◽  
Start Up ◽  
Hot Start ◽  
Combined Cycle Plant
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