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Filippo Cavuoto
Studio Cavuoto, Ingegneria delle Strutture, Infrastrutture e Geotecnica, Via Benedetto Brin, 63/D2, 80142, Napoli, Italy

Pasquale Marotta
Dipartimento di Ingegneria, Università degli Studi di Napoli "Parthenope", Centro Direzionale, Isola C4, 80143 Napoli, Italy

Nicola Massarotti
Dipartimento di Ingegneria, Università degli Studi di Napoli "Parthenope", Napoli, Italy; Istituto Motori del Consiglio Nazionale delle Ricerche, Napoli

Alessandro Mauro
Dipartimento di Ingegneria, Università degli Studi di Napoli "Parthenope", Isola C4, Centro Direzionale di Napoli, 80143 Napoli, Italy; Università Telematica Pegaso, Piazza Trieste e Trento n.48, 80132 Napoli, Italy

Gennaro Normino
Dipartimento di Ingegneria, Università degli Studi di Napoli "Parthenope", Centro Direzionale, Isola C4, 80143 Napoli, Italy


The artificial ground freezing method is a waterproofing technique and/or temporary consolidation procedure used to realize the excavations of solid or fractured rock soils underground water in order to build tunnels, shafts and connecting galleries. The artificial freezing technique consists of circulating a coolant fluid with a lower temperature of the surrounding ground inside probes positioned along the perimeter of the gallery. In this way, the water contained in the soil pass from the liquid phase to the solid one by forming a block of frozen ground in surrounding area of the tubes. The authors have developed a 2D numerical model to analyze the heat and mass transfer phenomena in the ground, taking into account the water phase change process. The two-dimensional numerical model has been employed to analyse the phenomena occurring in three cross sections of the galleries. The aim of the work is to analyse the complex thermal phenomena occurring in the ground during the freezing stages and optimize the freezing process and optimize the various stages in the freezing activities and tunnel excavation.

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
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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