A PWR has dimensions and operating conditions given below. Core Height Core Mass Flux Number of Fuel Rods Rod Diameter Rod Pitch Core Inlet Loss Coefficient Core Exit Loss Coefficient Grid Loss Coefficient Number of Grids Pressure Core Inlet Temperature M

A PWR has dimensions and operating conditions given below.
Core Thermal Output Fuel Height Rod Pitch Outer Clad Diameter Power Peaking Factor Axial Peak to Average Ratio Number of Fuel Rods Energy Deposited in Fuel Core Inlet Loss Coefficient Core Exit Lo

For the BWR operating parameters given below, compute and plot: a) The clad surface temperature assuming the Jens-Lottes Correlation b) The clad surface temperature assuming the Thom Correlation c) The clad surface temperature assuming the Chen Correlatio

The hot channel in a PWR operates under the conditions given below. Problem Parameters Maximum channel heat flux Channel Mass Flux Inlet Temperature Channel Pressure Rod Pitch Rod Diameter Rod Height Axial Peak to Average Ratio 474,500 2.48 x 106 552 2250

Operating parameters for a PWR hot channel is given below. Compute and plot the mixture and phase velocity distributions. Determine the individual components of and the total pressure drop. Compare the results obtained using both equilibrium and non equil

Operating parameters for a representative BWR design is given below. For the BWR average channel compute and plot the mixture and phase velocity distributions. Determine the individual components of and the total pressure drop. Compare the results obtaine

A number of simple models have been proposed for the modeling of two-phase systems. These include the assumption of homogeneous flow where the phases velocities are assumed to be equal, and an equilibrium model where both phases are assumed to be at therm

A reactor coolant system consist of the reactor vessel, two hot legs, two steam generators, four cold legs and four reactor coolant pumps as illustrated below. For the given data: a) Determine the total system flow rate b) Assuming one of the reactor cool

A natural circulation test loop is heated at point a and cooled at point b as illustrated below. The total effective loss coefficient for the cold leg is 0.8 (including friction). The total effective loss coefficient for the hot leg is 1.0 (including fric

Determine the pressure drop across the steam generator illustrated below. You may assume flush inlet loss coefficients from the inlet chamber to the steam generator tubes, and from the outlet chamber to the cold legs. You may assume flush outlet loss coef

A simple representation of a feed train for a two-loop PWR is given below. For the given data, (a) determine the flow rate through each of the feed lines. Note, loss coefficients K1 and K3 are referenced to the velocity associated with the combined flow r

A piping network is illustrated in the figure below. Water is pumped from a reservoir via two identical, parallel pump trains to a point characterized by a discharge pressure Pdis. A static sight tube is located at a point along the discharge line. a) Dev

Pump storage units pump water from a lower to upper reservoir during off peak hours when electricity is cheap, to be released through hydroelectric turbines during peak demand periods. The pumped portion of such a facility is illustrated below. Assuming t

A uniformly heated rod bundle has operating characteristics given below. The critical heat flux mechanism is dryout, and can be correlated by the Hench-Levy correlation as
1. . = 19 3.3x c 0.7 tanh 2 (3G / 10 6 ) 6 10 0.6 0.7 x 0.09 tanh 2 (2G / 10 6 ) c

A boiling channel has operating characteristics listed below. Assuming the heat flux profile is
z q( z ) = q0 sin H
Determine the critical power ratio in the channel using both the Hench-Levy and CISE-4 correlations. You may assume for the Hench-Levy cor

The hot channel in a PWR operates under the conditions given below. Compute and compare the outer clad temperature distribution assuming the Jens-Lottes and Thom correlation in the nucleate boiling region and the Bergles and Rosenhow correlation in the mi