Nirav Pravinbhai Bhatt

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Related publications (11)

Incremental Identification of Reaction Systems - A Comparison between Rate-based and Extent-based Approaches

Dominique Bonvin, Michael Amrhein, Nirav Pravinbhai Bhatt

An incremental identification approach for determining the kinetics of homogeneous reaction systems from transient concentration measurements has been developed in previous work (Marquardt, W. Chemical Engineering Research and Design 83(A6), 561–573, 2005) ...

Elsevier2012

Extent-based incremental identification of reaction systems using concentration and calorimetric measurements

Dominique Bonvin, Julien Léo Billeter, Sriniketh Srinivasan, Nirav Pravinbhai Bhatt

Extent-based Incremental Model Identification (IMI) uses the concept of extent of reaction and the integral method of parameter estimation to identify reaction kinetics from transient concentration measurements. This study proposes to incorporate calorimet ...

Elsevier2012

Minimal State Representation for Open Fluid-Fluid Reaction Systems

Dominique Bonvin, Philippe Müllhaupt, Michael Amrhein, Nirav Pravinbhai Bhatt

Reaction systems are typically represented by first-principles models that describe the evolution of the states (typically concentrations, volume and temperature) by means of conservation equations of differential nature and constitutive equations of algeb ...

Ieee Computer Soc2012

Incremental Identification of Reaction and Mass-Transfer Kinetics Using the Concept of Extents

Dominique Bonvin, Michael Amrhein, Nirav Pravinbhai Bhatt

This paper proposes a variation of the incremental approach to identify reaction and mass-transfer kinetics (rate expressions and the corresponding rate parameters) from concentration measurements for both homogeneous and gas-liquid reaction systems. This ...

2011

Extents of Reaction and Mass Transfer in the Analysis of Chemical Reaction Systems

Nirav Pravinbhai Bhatt

Monitoring, control and optimization of chemical reaction systems often requires in-depth analysis of the underlying reaction mechanisms. This dissertation investigates appropriate tools that facilitate the analysis of homogeneous and gas-liquid reaction s ...

EPFL2011

Identification of reaction and mass-transfer rates in gas-liquid reaction systems

Dominique Bonvin, Michael Amrhein, Nirav Pravinbhai Bhatt

This paper deals with the identification of reaction and mass-transfer rates from concentrations measured in gas-liquid reaction systems. It is assumed that the reactions take place in the liquid bulk only. The identification proceeds in two steps: (i) est ...

IIT-Madras2010

Minimal state representation of homogeneous reaction systems

Dominique Bonvin, Michael Amrhein, Nirav Pravinbhai Bhatt

Minimal state representations are parsimonious models having no redundant states. For homogeneous reaction systems with S species, R independent reactions, p independent inlet streams and one outlet stream, a nonlinear transformation of the numbers of mole ...

2010

Extents of Reaction, Mass Transfer and Flow for Gas-Liquid Reaction Systems

Dominique Bonvin, Michael Amrhein, Nirav Pravinbhai Bhatt

For gas-liquid reaction systems with inlet and outlet streams, this paper proposes a linear transformation to decompose the numbers of moles vector into five distinct parts, namely, the extents of reaction, the extents of mass transfer, the extents of inle ...

2010

Extents of reaction and flow for homogeneous reaction systems with inlet and outlet streams

Dominique Bonvin, Michael Amrhein, Nirav Pravinbhai Bhatt

This paper proposes two transformations for homogeneous reaction systems with inlet and outlet streams that allow isolating three distinct parts of the state vector, namely, the reaction variants, the reaction invariants but inlet- ﬂow variants, and the re ...

2010

Rank analysis of spectral reaction data for factor-analytical methods

Dominique Bonvin, Michael Amrhein, Nirav Pravinbhai Bhatt

Cemagref Languedoc Roussillon2008

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