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Natural Refrigeration System Design

A. Prasad [1], O. K. Sacks [1], R. C. Thiagarajan [1],
[1] ATOA Scientific Technologies, Bengaluru, India

This paper deals with the numerical experiments for early prediction of muffler performance at the design stage. In this experiment a Reactive Muffler is developed and validated numerically compared to traditional built and test process.

Fresh Produce Safety During Hydrocooling: An Engineering Model - new

A. Warning[1], A. K. Datta[1]
[1]Department of Biological & Environmental Engineering, Cornell University, Ithaca, NY, USA

Hydrocooling is the process by which warm produce is chilled with water. The chilling of warm produce generates a negative pressure differential ...

Boundary Value Effects on Migration Patterns in Hydraulically Fractured Shale Formations - new

T. Aseeperi[1]
[1]Department of Chemical Engineering, University of Arkansas, Fayetteville, AR, USA

During the hydraulic fracturing process, there can be possible re-activation of closed/sealed faults and natural fractures in the formation, which may ...

Influência das Condições Ambientais Sobre a Umidade e Temperatura em Bobinas de Cartão - new

I. Neitzel[1], R. C. F. do Nascimento[1], C. C. Bueno[1]
[1]Faculdade de Telêmaco Borba - FATEB, Telêmaco Borba, Paraná, Brasil

Neste trabalho é analisado o comportamento dos perfis de temperatura e umidade e sua penetração em bobinas de papel submetidas a longos períodos de ...

Simulation of the Effects of Nano-filler Interactions in Polymer Matrix Dielectric Nanocomposites

Y. Jin [1], R. A. Gerhardt [1],
[1] Georgia Institute of Technology, Atlanta, GA, USA

The finite element method was used for simulating the dielectric response of polymer matrix dielectric composites with randomly and evenly distributed ...

Steps for the Optimization of Pipe and Tubing Extrusion Dies

J.R. Puentes[1], T.A. Osswald[1], S. Schick[2], J. Berg[2]
[1]Polymer Engineering Center, University of Wisconsin, Madison, WI, USA
[2]TEEL Plastics, Baraboo, WI, USA

The extrusion of polyolefin pipes suffers degradation due to mechanical design problems of the extrusion die that is commonly used. This study uses ...

Comparing Different Approaches for Moisture Transfer Inside Constructions with Air Gaps

L. Nespoli[1], M. Bianchi Janetti[2], F. Ochs[2]
[1]Politecnico di Milano, Milan, Italy
[2]University of Innsbruck, Innsbruck, Austria

A model for the conjugate simulation of heat and moisture transfer inside porous materials and fluid domains is implemented in COMSOL Multiphysics®. ...

Time Dependent Simulations of Thermoelectric Thin Films and Nanowires for Direct Determination of their Efficiency with COMSOL Multiphysics®

M. Muñoz Rojo[1], J. Jose Romero[1], D. Ramos[1], D. Borca-Tasciuc[2], T. Borca-Tasciuc[2], M. Martín Gonzalez[1]
[1]Instituto de Microelectrónica de Madrid, Madrid, Spain
[2]Rensselaer Polytechnique Institute, Troy, New York, USA

Thermoelectric materials are one of the most promising materials for future and nowadays energy harvesting devices, as they can convert heat into ...

Design of an Anisokinetic Probe for Sampling Radioactive Particles from Ducts of Nuclear Facilities

P. Geraldini [1],
[1] Sogin Spa, Rome, Italy

The aim of this study is to design a new concept of shrouded probe that meets the ISO 2889 requirements and it is suitable for small-ducts ...

Advanced Modeling of Friction Stir Welding – Improved Material Model for Aluminum Alloys and Modeling of Different Materials with Different Properties by Using the Level Set Method

S. Dörfler
Wilhelm Gronbach GmbH, Wasserburg a. Inn, Germany

Friction Stir Welding (FSW) has gained much importance throughout the last years. Beside comprehensive experimental work that has been carried out, the ...