As an essential component of the SCO2 recompression Brayton cycle, recuperator has a significant impact on efficiency and stability entire cycle system. The printed circuit heat exchanger (PCHE) is most suitable for in cycle. To investigate effects structural parameters asymmetric airfoil fins thermo-hydraulic performance PCHEs, simplified three-dimensional numerical simulation models PCHE with...

The centrifugal compressor is the core component of supercritical CO2 power cycle, and its performance operation stability are research hotspots. However, there few experimental studies, especially for compressors used in Mwe-scale cycles. In this paper, based on a 1 MWe single-stage designed with speed 40,000 RPM, pressure ratio 2.5 mass flow 16.3 kg/s. order to carry out test, general platfor...

[1] Oxygen and carbon isotopic data were produced on the benthic foraminiferal taxa Cibicidoides and Planulina from 25 new piston cores, gravity cores, and multicores from the Brazil margin. The cores span water depths from about 400 to 3000 m and intersect the major water masses in this region. These new data fill a critical gap in the South Atlantic Ocean and provide the motivation for updati...

One of the most promising concentrated solar power technologies is central receiver tower station with heliostat field, which has attracted renewed research interest in current decade. The introduction sCO2 recompression Brayton cycles near future installations instead Rankine cycle very probable, due to prospects a significant efficiency improvement, process equipment size and capital cost red...

A nonsynonymous single-nucleotide polymorphism at codon 47 in TP53 exists in African-descent populations (P47S, rs1800371; referred to here as S47). Here we report that, in human cell lines and a mouse model, the S47 variant exhibits a modest decrease in apoptosis in response to most genotoxic stresses compared with wild-type p53 but exhibits a significant defect in cell death induced by cispla...

Mitochondrial disorders are a heterogeneous group of disorders affecting energy production of the body. Different consensus diagnostic criteria for mitochondrial disorders in childhood are available - Wolfson, Nijmegen and modified Walker criteria. Due to the extreme complexity of mitochondrial disorders in children, we decided to develop a diagnostic algorithm, applicable in clinical practice ...