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Title: The φ-relation and a simple method to predict how many data points are needed for relevant steady-state detection

Abstract

Steady–state detection is of vital importance for experiments and simulations in chemical engineering, as well as also other fields of science, engineering, and finance—particularly when the full timescale of interest cannot be measured or simulated. We present a breakthrough for estimating the number of data points required before successful steady–state detection is feasible. Using an initial window of data, the method enables predicting the prerequisites for steady state detection (ppSSD), given as a number of data points. The method is shown to be accurate for data with realistic distributions (uniform, normal, and sine–wave), and data from actual kinetic Monte Carlo simulations. In conclusion, users need only to use the algebraic equations derived and provided in this work to estimate the required number of data points for relevant steady–state detection.

Authors:
 [1];  [1]; ORCiD logo [2]
  1. Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1464027
Alternate Identifier(s):
OSTI ID: 1438963
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
AIChE Journal
Additional Journal Information:
Journal Volume: 64; Journal Issue: 9; Journal ID: ISSN 0001-1541
Publisher:
American Institute of Chemical Engineers
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; steady state; steady state detection; ppSSD; projected; slope; SSD

Citation Formats

Nellis, Christopher E., Hin, Celine N., and Savara, Aditya Ashi. The φ-relation and a simple method to predict how many data points are needed for relevant steady-state detection. United States: N. p., 2018. Web. doi:10.1002/aic.16199.
Nellis, Christopher E., Hin, Celine N., & Savara, Aditya Ashi. The φ-relation and a simple method to predict how many data points are needed for relevant steady-state detection. United States. https://doi.org/10.1002/aic.16199
Nellis, Christopher E., Hin, Celine N., and Savara, Aditya Ashi. Mon . "The φ-relation and a simple method to predict how many data points are needed for relevant steady-state detection". United States. https://doi.org/10.1002/aic.16199. https://www.osti.gov/servlets/purl/1464027.
@article{osti_1464027,
title = {The φ-relation and a simple method to predict how many data points are needed for relevant steady-state detection},
author = {Nellis, Christopher E. and Hin, Celine N. and Savara, Aditya Ashi},
abstractNote = {Steady–state detection is of vital importance for experiments and simulations in chemical engineering, as well as also other fields of science, engineering, and finance—particularly when the full timescale of interest cannot be measured or simulated. We present a breakthrough for estimating the number of data points required before successful steady–state detection is feasible. Using an initial window of data, the method enables predicting the prerequisites for steady state detection (ppSSD), given as a number of data points. The method is shown to be accurate for data with realistic distributions (uniform, normal, and sine–wave), and data from actual kinetic Monte Carlo simulations. In conclusion, users need only to use the algebraic equations derived and provided in this work to estimate the required number of data points for relevant steady–state detection.},
doi = {10.1002/aic.16199},
journal = {AIChE Journal},
number = 9,
volume = 64,
place = {United States},
year = {Mon May 07 00:00:00 EDT 2018},
month = {Mon May 07 00:00:00 EDT 2018}
}

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