Energy and exergy analyses of integrated hydrogen production system using high temperature steam electrolysis

2016 ◽  
Vol 41 (19) ◽  
pp. 8032-8041 ◽  
Author(s):  
M. Tolga Balta ◽  
Onder Kizilkan ◽  
Fatih Yılmaz
Keyword(s):  
High Temperature ◽  
Hydrogen Production ◽  
Production System ◽  
Energy And Exergy ◽  
High Temperature Steam ◽  
Exergy Analyses

Energy and exergy analyses of a biomass-based hydrogen production system

2011 ◽  
Vol 102 (18) ◽  
pp. 8466-8474 ◽  
Author(s):  
M.K. Cohce ◽  
I. Dincer ◽  
M.A. Rosen
Keyword(s):  
Hydrogen Production ◽  
Production System ◽  
Energy And Exergy ◽  
Exergy Analyses

scholarly journals A CFD Analysis on Heat Transfer of High Temperature Steam through Interface with Superheater and SOEC for Hydrogen Production

2020 ◽  
Vol 31 (2) ◽  
pp. 169-176
Author(s):  
HYUN SEUNG BYUN ◽  
DANBEE HAN ◽  
SEONGRYONG PARK ◽  
CHONGPYO CHO ◽  
YOUNGSOON BAEK
Keyword(s):  
Heat Transfer ◽  
High Temperature ◽  
Hydrogen Production ◽  
Cfd Analysis ◽  
High Temperature Steam

Conceptual Structure Design of High Temperature Isolation Valve for High Temperature Gas Cooled Reactor

2010 ◽  
Author(s):  
Shoji Takada ◽  
Kenji Abe ◽  
Yoshiyuki Inagaki
Keyword(s):  
High Temperature ◽  
Hydrogen Production ◽  
Production System ◽  
Conceptual Structure ◽  
Structure Design ◽  
Radioactive Material ◽  
Normal Operation ◽  
Temperature History ◽  
Allowable Limit ◽  
High Temperature Gas

The high temperature isolation valve (HTIV) is a key component to assure the safety of a high temperature gas cooled reactor (HTGR) connected with a hydrogen production system, that is, protection of radioactive material release from the reactor to the hydrogen production system and combustible gas ingress to the reactor at the accident of fracture of an intermediate heat exchanger and the chemical reactor. The HTIV used in the helium condition over 900 °C, however, has not been made for practical use yet. The conceptual structure design of an angle type HTIV was carried out. A seat made of Hasteloy-XR is welded inside a valve box. Internal thermal insulation is employed around the seat and a liner because high temperature helium gas over 900 °C flows inside the valve. Inner diameter of the top of seat was set 445 mm based on fabrication experiences of valve makers. A draft overall structure was proposed based on the diameter of seat. The numerical analysis was carried out to estimate temperature distribution and stress of metallic components by using a three-dimensional finite element method code. Numerical results showed that the temperature of the seat was simply decreased from the top around 900 °C to the root, and the thermal stress locally increased at the root of the seat which was connected with the valve box. The stress was lowered below the allowable limit 120 MPa by decreasing thickness of the connecting part and increasing the temperature of valve box to around 350 °C. The stress also increased at the top of the seat. Creep analysis was also carried out to estimate a creep-fatigue damage based on the temperature history of the normal operation and the depressurization accident.

A Thermochemical Hydrogen Production System Based on a High-Temperature Fusion Reactor Blanket

1983 ◽  
Vol 4 (2P2) ◽  
pp. 178-183 ◽  
Author(s):  
I. Maya ◽  
K. R. Schultz ◽  
J. M. Battaglia ◽  
L. C. Brown ◽  
E. T. Cheng ◽  
...  
Keyword(s):  
High Temperature ◽  
Hydrogen Production ◽  
Production System ◽  
Fusion Reactor ◽  
Fusion Reactor Blanket
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