PDF Publication Title:
Text from PDF Page: 018
Another consideration is that the theoretical understanding and analytical modeling of radial compressors appears to have lagged that of their axial counterparts. However, there is evidence that this gap is being closed. For example, Ref. [2.14] reports that a conventional 80.3% efficient impeller was improved to 86.5% using “inverse design methodology”. Moreover radial pump (i.e. incompressible fluid) efficiencies appear to be slightly higher than that of true radial compressors working in the highly compressible ideal gas region. Ref. 2.1 notes that some “some pumps have achieved very high efficiencies, frequently ranging between 85% and 93%”. An even more recent consideration relates to the effect of compressor type on PCS dynamic response and stability. The S-CO2 cycle appears especially vulnerable in this regard because it has two compressors running in parallel. In general, radial compressors should be better, but until detailed modeling is carried out this cannot be affirmed. For example, while centrifugal pumps improve series circuit stability, they are prone to hunt, or hog the load when even ostensibly identical units are operated in true parallel circuits without significant throttling [Ref. 2.15]. This type of behavior, however, applies to machines on separately driven shafts. In the present instance a single shaft at constant speed couples the main and recompressing compressor. Furthermore, a flow split control valve is present. Hence we do not expect problems of this type. A final complication is that the recompressing compressor could well be axial. We have not found any discussion of parallel circuit instability for axial turbomachines, let alone mixed radial-axial combinations. 47 46.5 46 45.5 45 44.5 44 43.5 43 0.65 0.7 0.75 0.8 0.85 0.9 net efficiency versus compressor combination unit efficiency at 0.9 turbine Fig. 2.6 S-CO2 PCS Efficiency as a Function of Compressor Efficiency (Both Compressors: Main and Recompressing) compressor combination unit 11PDF Image | Analysis of Radial Compressor Options for Supercritical CO2 Power
PDF Search Title:
Analysis of Radial Compressor Options for Supercritical CO2 PowerOriginal File Name Searched:
Infinity_mit_gfr_034.pdfDIY PDF Search: Google It | Yahoo | Bing
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
IT XR Project Redstone NFT Available for Sale: NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Be part of the future with this NFT. Can be bought and sold but only one design NFT exists. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Turbine IT XR Project Redstone Design: NFT for sale... NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Includes all rights to this turbine design, including license for Fluid Handling Block I and II for the turbine assembly and housing. The NFT includes the blueprints (cad/cam), revenue streams, and all future development of the IT XR Project Redstone... More Info
Infinity Turbine ROT Radial Outflow Turbine 24 Design and Worldwide Rights: NFT for sale... NFT for the ROT 24 energy turbine. Be part of the future with this NFT. This design can be bought and sold but only one design NFT exists. You may manufacture the unit, or get the revenues from its sale from Infinity Turbine. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Supercritical CO2 10 Liter Extractor Design and Worldwide Rights: The Infinity Supercritical 10L CO2 extractor is for botanical oil extraction, which is rich in terpenes and can produce shelf ready full spectrum oil. With over 5 years of development, this industry leader mature extractor machine has been sold since 2015 and is part of many profitable businesses. The process can also be used for electrowinning, e-waste recycling, and lithium battery recycling, gold mining electronic wastes, precious metals. CO2 can also be used in a reverse fuel cell with nafion to make a gas-to-liquids fuel, such as methanol, ethanol and butanol or ethylene. Supercritical CO2 has also been used for treating nafion to make it more effective catalyst. This NFT is for the purchase of worldwide rights which includes the design. More Info
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
Infinity Turbine Products: Special for this month, any plans are $10,000 for complete Cad/Cam blueprints. License is for one build. Try before you buy a production license. May pay by Bitcoin or other Crypto. Products Page... More Info
| CONTACT TEL: 608-238-6001 Email: greg@infinityturbine.com | RSS | AMP |