1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Simulation and demonstration of magnetohydrodynamic energy conversion in a high-temperature inert gas
Rent:
Rent this article for
USD
10.1063/1.3083295
/content/aip/journal/pop/16/3/10.1063/1.3083295
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/3/10.1063/1.3083295

Figures

Image of FIG. 1.
FIG. 1.

Schematic illustration of a disk-shaped radial-flow Hall-type MHD channel.

Image of FIG. 2.
FIG. 2.

Results of numerical simulations obtained without applying magnetic flux (case of no-power generation) showing plane profile of the electron system: (a) electron temperature (the contour interval is 500 K), (b) ionization degree (0.01% interval), (c) electrical conductivity (50 S/m interval). plane profile of the heavy-particle system: (d) static temperature (200 K interval), (e) radial velocity (100 m/s interval), and (f) Mach number (0.2 interval). The total inflow temperature is 8000 K.

Image of FIG. 3.
FIG. 3.

Results of numerical simulations obtained with a magnetic flux density of 0.5 T (case of MHD power generation) showing plane profile of the electron system: (a) electron temperature, (b) ionization degree, and (c) electrical conductivity. plane profile of the heavy-particle system: (d) static temperature, (e) radial velocity, and (f) Mach number. The total inflow temperature is 8000 K. The MHD channel load resistance is .

Image of FIG. 4.
FIG. 4.

Results of numerical simulations obtained with a magnetic flux density of 0.5 T showing radial profiles of (a) Hall parameter and electrical efficiency , and (b) Joule heating (JH) and power output density (PW). The total inflow temperature is 8000 K. The MHD channel load resistance is .

Image of FIG. 5.
FIG. 5.

Schematic of shock-tunnel facility.

Image of FIG. 6.
FIG. 6.

Schematics of the MHD generator. (a) Front view [the photographing region (photo region) is indicated] and (b) cross-sectional view [the calculation region (cal region) is indicated].

Image of FIG. 7.
FIG. 7.

Two-dimensional image map of plasma structure. The total inflow temperatures are 8200, 8500, and 9400 K. The applied magnetic flux densities are 0, 0.5, 1.0, and 2.0 T. The MHD channel load resistance is controlled in the range of .

Image of FIG. 8.
FIG. 8.

(a) Time variation of electron temperature , in which the numerically estimated static gas temperature range is also shown. (b) Radial profile of applied magnetic flux density , (c) cross-sectional view of the generator, and radial profiles of (d) static pressure normalized by the total inflow pressure and (e) Hall potential . The total inflow temperatures are 8200, 8500, and 9400 K. The applied magnetic flux density is 2.0 T. The MHD channel load resistance is .

Image of FIG. 9.
FIG. 9.

(a) EER as functions of total inflow temperature and applied magnetic flux density. The load resistance is controlled in the range of . (b) Power output density (PD) as a function of magnetic flux density . The load resistance is .

Tables

Generic image for table
Table I.

Conditions used in calculations.

Generic image for table
Table II.

Conditions used in experiments.

Loading

Article metrics loading...

/content/aip/journal/pop/16/3/10.1063/1.3083295
2009-03-03
2014-04-24
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Simulation and demonstration of magnetohydrodynamic energy conversion in a high-temperature inert gas
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/3/10.1063/1.3083295
10.1063/1.3083295
SEARCH_EXPAND_ITEM