Showing 1 - 10 of 3,508
Simultaneous multi-variable gradient-based optimization with multi-start is performed on a 300 MWe wet … optimization study involves 16 variables, three of which are integer valued, and 10 constraints with the objective of maximizing …-based analysis to facilitate convergence. Results of the multi-variable optimization are compared to a pressure sensitivity analysis …
Persistent link: https://www.econbiz.de/10011054723
then performed with variable loads to determine the level of performance decrease if no optimization is performed. Finally …, optimization of operation for a fixed design, and simultaneous optimization of design and operation are performed. The design … optimization for a specific load does not include the redesign of the turbines to a process specifically designed for this load …
Persistent link: https://www.econbiz.de/10010906851
Simultaneous multi-variable gradient-based optimization is performed on a 300 MWe wet-recycling pressurized oxy …. Optimization involves 17 optimization variables and 10 constraints, with the objective of maximizing the thermal efficiency. The … optimization procedure utilizes recent design rules and optimization procedures for optimal Rankine cycle performance speeding up …
Persistent link: https://www.econbiz.de/10011054493
Combinatorial Problems -- 10. Other Models for Robust Optimization -- 11. Open Problems. …This book offers a self-contained introduction to the world of robust combinatorial optimization. It explores decision …-making using the min-max and min-max regret criteria, while also delving into the two-stage and recoverable robust optimization …
Persistent link: https://www.econbiz.de/10015051060
This study investigates the feasibility to synthesis methanol from its flue gas and wind hydrogen. The concept is to mitigate CO2 emission through flue gas recovery. Synthesizing methanol, on the other hand requires hydrogen at the rate of 3kmol/kmol of carbon dioxide. Electrolysis is one method...
Persistent link: https://www.econbiz.de/10010573548
A design of an ITM (ion transport membranes) reactor is introduced in a two-pass fire tube boiler furnace to produce steam for power generation toward the ZEPP (zero emission power plant) applications. Oxygen separation, combustion and heat exchange occur in the first pass containing the...
Persistent link: https://www.econbiz.de/10011209436
An oxy-type power plant was analyzed in this paper, equipped with a hard-coal-fired pulverized fuel boiler, a steam turbine, a CO2 capture unit and an ASU (air separation unit) with a four-end-type high-temperature membrane. The gross electrical power of the plant is 600 MW; the live and...
Persistent link: https://www.econbiz.de/10011209580
system integration schemes must be captured in order to conduct meaningful process flow and optimization studies where …
Persistent link: https://www.econbiz.de/10010807574
Vapor recompression heat pumps are used in distillation processes to reduce energy consumption. For sub-ambient distillation, one of the largest difficulties is to produce liquid reflux since the condensation of highly volatile components requires expensive refrigeration energy. Thermally...
Persistent link: https://www.econbiz.de/10010808762
In this study, an exergy-based system level methodology is conducted to assess the energy penalty reduction potential of different configurations of first generation oxy-fired pulverized coal power plants. Once the process improvement potential is identified by exergy analysis on an oxy-fired...
Persistent link: https://www.econbiz.de/10010810952