MHD Integrated Topping Cycle Project
A summary of the work is excerpted here. Final design of an MHD channel for the ITC program POC test has been completed. The channel was designed to be capable of 1.5 MW {sub e} power output and a lifetime of 2000 hours. Emphasis was placed upon durability and reliability. Hence, specific measures were taken to design against channel damage due to electric faults. The life-limiting issues associated with electrochemical corrosion and erosion of gas-side surfaces were addressed by the use of various materials with proven wear characteristics in a coal-fired MHD channel environment. Pitting of prototypical sidewall coupons was observed in the CDIF workhorse testing. The most likely cause of the observed pitting, water leaks resulting from cooling water tube braze failures, has been remedied. New brazing procedures and isolation of the sidebar gas-side material from water contact will prevent sidebar pitting in the prototypical channel. Water-side corrosion tests reported in this quarterly report include the latest results of tungsten-copper elements at controlled pH, heat flux and voltage levels. In the combustion subsystem, efforts continued to focus on understanding and improving the current levels of slag recovery and seed utilization achieved by the combustor. Analytical support was also provided in the areas of slag rejection system operation, precombustor operation, and oil burner design modification. Channel data analysis activities continued in support of prototypical coupon testing at the CDIF. Analyses are presented on channel wall slagging behavior and sidewall voltage distributions.
- Research Organization:
- TRW, Inc., Redondo Beach, CA (United States). Applied Technology Div.
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC22-87PC90274
- OSTI ID:
- 5012476
- Report Number(s):
- DOE/PC/90274-T16; MHD-ITC-91-435; ON: DE92016609
- Country of Publication:
- United States
- Language:
- English
Similar Records
MHD Integrated Topping Cycle Project
MHD Integrated topping cycle project
Related Subjects
20 FOSSIL-FUELED POWER PLANTS
MHD GENERATORS
TOPPING CYCLES
COAL-FIRED MHD GENERATORS
DESIGN
MHD CHANNELS
MHD GENERATOR CDIF
POWER CONDITIONING CIRCUITS
PROGRESS REPORT
DIRECT ENERGY CONVERTERS
DOCUMENT TYPES
ELECTRONIC CIRCUITS
300101* - MHD Generators- Design & Development
200102 - Fossil-Fueled Power Plants- Power Cycles