Answered: (1) 92.1 kg/h B (2) 94.2 kg/h (3) 93.6…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Question

Reconciliation of inaccurate process measurements isan important problem in process control that can be solved using optimization techniques. The flow rates of streams B and C have been measured three times during the current shift shown in Fig. Some errors in the measurement devices exist. Assuming steady-state operation (wA=constant), find the optimal value of wA(flow rate in kg/h) that minimizesthe sum of the squares of the errors for the material balance,wA+wC=wB using an analytical solution.

(1) 92.1 kg/h
B (2) 94.2 kg/h
(3) 93.6 kg/h
A
(1) 11.3 kg/h
(2) 10.9 kg/h
(3) 11.6 kg/h
C

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