| Preface |
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vi | |
| Nomenclature |
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ix | |
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Mathematical Description of Thermal Hydraulic Processes in Complex-Geometry Channels |
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1 | (33) |
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Design Features of Heat Exchangers with Twisted Tubes and Porous Heat Transfer Elements |
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1 | (9) |
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Initial System of Equations |
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10 | (3) |
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Structural Features of Turbulent Flow in a Twisted Tube Bundle Allowing Simplification of its Mathematical Description |
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13 | (3) |
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Systems of Equations for Thermal Hydraulic Processes in Twisted Tube Bundles. Calculated Flow Models |
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16 | (7) |
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Specific Features of Numerical Modeling of Thermal Hydraulic Processes in Channels with PHE and Radial Flow |
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23 | (3) |
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Dimensionless Relations for Transfer Coefficients Entering into the Motion and Energy Equations |
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26 | (8) |
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Numerical Modeling of Steady Thermal Hydraulic Processes |
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34 | (36) |
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Numerical Analogs of the Initial Systems of Equations for Flow in Twisted Tube Bundles |
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34 | (4) |
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Writing Numerical Analogs of the Initial Equations at a Singular Point |
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38 | (2) |
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Reducing Numerical Analogs of the Initial Equations to Vector-Matrix Form |
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40 | (3) |
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Solving the Equations Using Matrix Factorization |
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43 | (4) |
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Algorithm of Realizing the Predictive Technique |
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47 | (1) |
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Structure of the RAPTIS Computation Program and its Potentialities |
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48 | (2) |
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Description of the RAPTIS Program |
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50 | (3) |
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Analysis of the Computation Error for the RAPTIS Program |
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53 | (2) |
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55 | (3) |
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Method of Solving the System of Equations for a Heat Exchanger with PHE. Finite-Difference Analogs of the Initial Equations |
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58 | (6) |
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Solution Algorithm and Realization of Boundary Conditions |
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64 | (2) |
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Examples of Numerical Calculations |
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66 | (4) |
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Experimental Determination of Thermal Hydraulic Characteristics in Twisted Tube Bundles |
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70 | (19) |
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Description of Experimental Setup, the Procedure of Processing Experimental Data for Heat Transfer and Hydraulic Resistance, and the Computation Programs |
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70 | (5) |
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Results of Studying Heat Transfer. Empirical Relations for Calculating Heat Transfer |
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75 | (8) |
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Results of Studying the Hydraulic Resistance. Empirical Relations for the Hydraulic Resistance Coefficient |
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83 | (6) |
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Experimental Substantiation of Predictive Methods for Steady Heat Transfer Processes in Twisted Tube Bundles |
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89 | (30) |
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Experimental and Data Processing Procedures. Statistical Analysis of the Results and Description of the Computation Program |
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89 | (10) |
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Experimental Substantiation of the Physical Flow Model and Predictive Methods |
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99 | (7) |
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Effect of the Shape of an Axisymmetric Heat Supply Nonuniformity on Transfer Coefficients |
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106 | (4) |
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Effect of the Shape of an Asymmetric Heat Supply Nonuniformity on the Transfer Coefficient |
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110 | (3) |
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Generalization of Experimental Data for Interchannel Mixing of the Heat-Transfer Fluid. Closing Similarity Equations |
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113 | (6) |
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Numerical Modeling of Unsteady Thermal Hydraulic Processes in Twisted Tube Bundles |
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119 | (23) |
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Selection of a Method for Solving the Initial System of Equations. Numerical Analogs |
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119 | (7) |
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Solution Algorithm for a Transient Problem and Realization of Boundary Conditions |
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126 | (3) |
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Quasi-Stationary Approximation and Methods of Solving the Problem |
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129 | (1) |
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Structure and Capabilities of the DINA Program |
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130 | (3) |
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Results for Unsteady Thermal Hydraulic Processes Computed by the DINA Program |
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133 | (1) |
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Solution of the System of Three-Dimensional Transient Equations |
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134 | (8) |
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Experimental Validation of Predictive Methods for Unsteady Heat and Mass Transfer in Twisted Tube Bundles |
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142 | (37) |
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Distinctive Features of the Experimental Procedure for Studying Unsteady Heat and Mass Transfer. Description of an Experimental Setup |
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142 | (4) |
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Effect of the Heat Load Variations on the Measured Temperature Fields of the Heat-Transfer Fluid. Experimental Validation of Predictive Methods |
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146 | (4) |
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Heat and Mass Transfer with Variations in the Heat Load. Closing Empirical Relations |
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150 | (7) |
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Heat and Mass Transfer with Variations in the Flow Rate of the Heat-Transfer Fluid. Empirical Relations for Closing the System of Equations |
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157 | (13) |
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Specific Features of the Heat and Mass Transfer with Periodic Time Variations in the Flow Rate of the Heat-Transfer Fluid |
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170 | (4) |
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Transient Temperature Fields of the Heat-Transfer Fluid for Asymmetric Heat Release Nonuniformity |
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174 | (5) |
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Engineering Predictive Methods for Thermal Hydraulic Processes in Heat Exchangers |
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179 | (1) |
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Calculation Steps for a Twisted-Tube Heat Exchanger |
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179 | (1) |
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Calculation of a Twisted-Tube Heat Exchanged with Steady Operating Conditions. Scheme of the Computation Program |
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180 | (7) |
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Taking Account of the Interchannel Mixing of the Heat-Transfer Fluid in the Intertubular Space of a Heat Exchanger. Scheme of the Computation Program and its Description |
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187 | (8) |
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Computation of Transient Temperature Fields in Twisted Tube Bundles with a Nonuniform Heat Supply. Scheme of the Computation Program and its Description |
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195 | |
