Publications related to Control of a Solid Oxide Fuel Cell System with Biased Gas Temperature Measurements

Dissipation engineering of high-stress silicon nitride nanobeams

Tobias Kippenberg, Dalziel Joseph Wilson, Amir Hossein Ghadimi

High-stress Si

_3

N

_4

nanoresonators have become an attractive choice for electro- and optomechanical devices. Membrane resonators can achieve quality factor (

Q

) - frequency (

f

) products exceeding

10^{13}

Hz, enabling (in principle) quantum coheren ...

2016

Capacitive inertial sensing at high temperatures of up to 400 degrees C

Mikhail Asiatici, Göran Stemme

High-temperature-resistant inertial sensors are increasingly requested in a variety of fields such as aerospace, automotive and energy. Capacitive detection is especially suitable for sensing at high temperatures due to its low intrinsic temperature depend ...

Elsevier Science Sa2016

Thermo-mechanical Reliability of SOFC Stacks During Combined Long-term Operation and Thermal Cycling

Jan Van Herle, Zacharie Wuillemin, Arata Nakajo, Fabio Greco

Thermo-mechanical issues in solid oxide fuel cells (SOFC) must be understood and overcome to meet the reliability standards for market implementation. This study presents a thermo-mechanical model of an SOFC-stack SRU. The analysis starts with the simulati ...

2015

Dimensional and structural control of silica aerogel membranes for miniaturized motionless gas pumps

Paul Muralt, Thomas Maeder, Bo Jiang, Shuangyi Zhao, Matthias M. Koebel, Eunho Jeong, Nayoung Kim

With growing public interest in portable electronics such as micro fuel cells, micro gas total analysis systems, and portable medical devices, the need for miniaturized air pumps with minimal electrical power consumption is on the rise. Thus, the developme ...

Amer Chemical Soc2015

The effect of bias in gas temperature measurements on the control of a Solid Oxide Fuel Cells system

Daniel Favrat, Jan Van Herle, Leonidas Tsikonis, Joel Albrektsson

In this paper the effect of systematic errors in gas temperature measurements on the thermal control of a Solid Oxide Fuel Cell system is demonstrated. Three control schemes were tested under two different conditions. First, the real gas temperature at the ...

Elsevier Science Bv2014

Modelling the impact of creep on the probability of failure of a solid oxide fuel cell stack

Jan Van Herle, Arata Nakajo, Fabio Greco

In solid oxide fuel cell (SOFC) technology a major challenge lies in balancing thermal stresses from an inevitable thermal field. The cells are known to creep, changing over time the stress field. The main objective of this study was to assess the influenc ...

2014

Global Fan Speed Control Considering Non-Ideal Temperature Measurements in Enterprise Servers

David Atienza Alonso, Mohamed Mostafa Sabry Aly, Jungsoo Kim

Time lag and quantization in temperature sensors in enterprise servers lead to stability concerns on existing variable fan speed control schemes. Stability challenges become further aggravated when multiple local controllers are running together with the f ...

IEEE/ACM Press2014

Radiation-Ablation Coupling for Capsule Reentry Heating via Simulation and Expansion Tube Investigations

Pénélope Leyland, Umar Sheikh, Daniel Potter, Ojas Joshi, Nikhil Banerji, Jérémy Raphaël Mora-Monteros, Valentin Marguet, Elise Joy Fahy

A capsule entering a planetary atmosphere at hypersonic speeds experiences high levels of radiative heating. Furthermore, coupling between the ablation products from the surface of the vehicle and the high temperature gas can have a major effect on the hea ...

2013

The Error in Gas Temperature Measurements with Thermocouples: Application on an SOFC System Heat Exchanger

Daniel Favrat, Jan Van Herle, Leonidas Tsikonis

Aim of this work is to model and study the behavior of thermocouples as they are used in the measurement of gas temperatures in solid oxide fuel cell systems. Due to the high temperature regime in such systems, the effect of radiation and conduction from s ...

2012

Thermal characterization of an LTCC module for miniature atomic clock packaging

Peter Ryser, Thomas Maeder, Fabrizio Vecchio, Conor Joseph Slater

This paper presents the design and thermal characterization of a 15 × 22 mm2 LTCC module dedicated to the packaging of the elements of a miniature atomic clock. This module acts as a carrier for the components of the clock as well as temperature controller ...

IMAPS / ACerS2012

Control of a Solid Oxide Fuel Cell System with Biased Gas Temperature Measurements

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Dissipation engineering of high-stress silicon nitride nanobeams

Capacitive inertial sensing at high temperatures of up to 400 degrees C

Thermo-mechanical Reliability of SOFC Stacks During Combined Long-term Operation and Thermal Cycling

Dimensional and structural control of silica aerogel membranes for miniaturized motionless gas pumps

The effect of bias in gas temperature measurements on the control of a Solid Oxide Fuel Cells system

Modelling the impact of creep on the probability of failure of a solid oxide fuel cell stack

Global Fan Speed Control Considering Non-Ideal Temperature Measurements in Enterprise Servers

Radiation-Ablation Coupling for Capsule Reentry Heating via Simulation and Expansion Tube Investigations

The Error in Gas Temperature Measurements with Thermocouples: Application on an SOFC System Heat Exchanger

Thermal characterization of an LTCC module for miniature atomic clock packaging

Radiation-Ablation Coupling for Capsule Reentry Heating via Simulation and Expansion Tube Investigations

The effect of bias in gas temperature measurements on the control of a Solid Oxide Fuel Cells system

Capacitive inertial sensing at high temperatures of up to 400 degrees C

Dissipation engineering of high-stress silicon nitride nanobeams

Dimensional and structural control of silica aerogel membranes for miniaturized motionless gas pumps

Thermal characterization of an LTCC module for miniature atomic clock packaging

Modelling the impact of creep on the probability of failure of a solid oxide fuel cell stack

Thermo-mechanical Reliability of SOFC Stacks During Combined Long-term Operation and Thermal Cycling

The Error in Gas Temperature Measurements with Thermocouples: Application on an SOFC System Heat Exchanger

Global Fan Speed Control Considering Non-Ideal Temperature Measurements in Enterprise Servers