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A. Delja
SIEMENS AG, UB KWU, P.O.Box 3220, D-8520 Erlangen, Germany


Today's large energy systems need complex and efficient analysis tools during the project, development and the later phases of operation. Ultimately, safety, availability and high reliability arc always the most important requirements. Modern computer systems allow application of detailed mathematical models for the simulation of real system response. Mathematical models and methods for thermal-hydraulic analysis must satisfy high accuracy demands and reasonable computation lime criteria. This paper proposes a solution strategy for simulation of typical engineering problems dealing with transient and accident analysis of nuclear power plants under consideration of small breaks with phase separation effects. It presents the work on upgrading the Siemens KWU best-estimate transient code NLOOP with a thermal-hydraulic model which can achieve wider application of the code and which can be applied as a basis for simulators.

ICHMT Digital Library

Bow shocks on a jet-like solid body shape. Thermal Sciences 2004, 2004. Pulsed, supersonic fuel jets - their characteristics and potential for improved diesel engine injection. PULSED, SUPERSONIC FUEL JETS - THEIR CHARACTERISTICS AND POTENTIAL FOR IMPROVED DIESEL ENGINE INJECTION
View of engine compartment components (left). Plots of temperature distributions in centreplane, forward of engine (right). CHT-04 - Advances in Computational Heat Transfer III, 2004. Devel... DEVELOPMENT AND CURRENT STATUS OF INDUSTRIAL THERMOFLUIDS CFD ANALYSIS
Pratt & Whitney's F-135 Joint Strike Fighter Engine under test in Florida is a 3600F class jet engine. TURBINE-09, 2009. Turbine airfoil leading edge stagnation aerodynamics and heat transfe... TURBINE AIRFOIL LEADING EDGE STAGNATION AERODYNAMICS AND HEAT TRANSFER - A REVIEW
Refractive index reconstructed field. (a) Second iteration. (b) Fourth iteration. Radiative Transfer - VI, 2010. Theoretical development for refractive index reconstruction from a radiative ... THEORETICAL DEVELOPMENT FOR REFRACTIVE INDEX RECONSTRUCTION FROM A RADIATIVE TRANSFER EQUATION-BASED ALGORITHM
Two inclusion test, four collimated sources. Radiative Transfer - VI, 2010. New developments in frequency domain optical tomography. Part II. Application with a L-BFGS associated to an inexa... NEW DEVELOPMENTS IN FREQUENCY DOMAIN OPTICAL TOMOGRAPHY. PART II. APPLICATION WITH A L-BFGS ASSOCIATED TO AN INEXACT LINE SEARCH