A local analysis was made of the laminar throughflow between corotating disks of a Newtonian vapor containing liquid droplets. Such a flow is of practical interest in multiple-disk turbomachinery, and specifically is a model of a two-phase, single component flow (saturated vapor - saturated liquid steam) which would arise in geothermal applications of a multiple-disk turbine. Local mass conservation and momentum equations for the vapor and droplet fields were used, as well as mass conservation and energy equations for a single droplet. The vapor-droplet interaction was modeled by a drag force based on the well-known drag coefficients for flow past spheres. The governing equations were reduced to parabolic form by order-of-magnitude arguments to allow a marching-type solution. The nonlinear partial differential equations were replaced by nonlinear finite-difference equations, which were linearized. The resulting system of linear algebraic equations was solved directly. Various results are presented, including results for a set of flow parameters which are close to those applicable for multiple-disk turbines operating on geothermal steam.
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June 1978
Research Papers
Laminar Throughflow of Varying-Quality Steam Between Corotating Disks
C. R. Truman,
C. R. Truman
Arizona State University, Tempe, Ariz.
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D. F. Jankowski
D. F. Jankowski
Arizona State University, Tempe, Ariz.
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C. R. Truman
Arizona State University, Tempe, Ariz.
W. Rice
Arizona State University, Tempe, Ariz.
D. F. Jankowski
Arizona State University, Tempe, Ariz.
J. Fluids Eng. Jun 1978, 100(2): 194-200 (7 pages)
Published Online: June 1, 1978
Article history
Received:
July 1, 1976
Online:
October 12, 2010
Citation
Truman, C. R., Rice, W., and Jankowski, D. F. (June 1, 1978). "Laminar Throughflow of Varying-Quality Steam Between Corotating Disks." ASME. J. Fluids Eng. June 1978; 100(2): 194–200. https://doi.org/10.1115/1.3448629
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