DOI: 10.5281/zenodo.18229342
title: Dataset for article "Scale Effect on the Cavitation Inception Number and Cavitating Discharge Coefficient of the Axisymmetric Converging-diverging Nozzle"

description: The DataSet.zip contains all the data used in the manuscript.It consists of five .mat matlab data files, named by the nozzle numbers.The data for each nozzle are organized as a structure array.Below is the annotations for the fields of the structure array:.Q_s – The stable flow rate, m3/h.Q_s.means – The mean stable fow rate from three replicates at each upstream valve opening.Q_s.SU – The standard uncertainty of the mean stable flow rates.Q_s.veffs – The  effective degrees of freedom of the mean stable flow rates.Q_s.Us – The expanded uncertianties of the mean stable flow rates.Pi_s – The stable inlet pressure, MPa.Pi_s.means – The mean stable inlet pressure from three replicates at each upstream valve opening.Pi_s.SU – The standard uncertainty of the mean stable inlet pressures.Pi_s.veffs – The  effective degrees of freedom of the mean stable inlet pressures.Pi_s.Us – The expanded uncertianties of the mean mean critical inlet pressures.Pa_c – The critical ambient pressure, MPa.Pa_c.means – The mean critical ambient pressure from three replicates at each upstream valve opening.Pa_c.SU – The standard uncertainty of the mean critical ambient pressures.Pa_c.veffs – The  effective degrees of freedom of the mean critical ambient pressures.Pa_c.Us – The expanded uncertianties of the mean mean critical ambient pressures.sigma_c – The cavitation inception number, dimensionless.sigma_c.means – The mean cavitation inception number from three replicates at each upstream valve opening.sigma_c.SU – The standard uncertainty of the mean cavitation inception numbers.sigma_c.veffs – The  effective degrees of freedom of the mean cavitation inception numbers.sigma_c.Us – The expanded uncertianties of the mean cavitation inception numbers.C_s – The cavitating discharge coefficient number, dimensionless.sigma_c.means – The mean cavitating discharge coefficient number from three replicates at each upstream valve opening.sigma_c.SU – The standard uncertainty of the mean cavitating discharge coefficient numbers.sigma_c.veffs – The  effective degrees of freedom of the mean cavitating discharge coefficient numbers.sigma_c.Us – The expanded uncertianties of the mean cavitating discharge coefficient numbers.Pis_Pac – The model of the relationship between critical inlet pressure and critical ambient pressure.Pis_Pac.p – The estimates of the parameters of the model.Pis_Pac.f – The handle of the function for the model.Pis_Pac.gof – The coefficient of determination.Pis_Pac.SU – The standard uncertianties of the estimates of the parameters.Pis_Pac.k – The coverage factors for the estimates of the standard uncertainties.Pis_Pac.U – The expanded uncertainties for the estimates of parameters.Pis_Pac.P – The sets of estimates of parameters generated through Monte Carlo resampling.Pis_sigmac – The model of the relationship between critical inlet pressure and cavitation inception number.Pis_sigmac.p – The estimates of the parameters of the model.Pis_sigmac.f – The handle of the function for the model.Pis_sigmac.gof – The coefficient of determination.Pis_sigmac.SU – The standard uncertianties of the estimates of the parameters.Pis_sigmac.k – The coverage factors for the estimates of the standard uncertainties.Pis_sigmac.U – The expanded uncertainties for the estimates of parameters.Pis_sigmac.P – The sets of estimates of parameters generated through Monte Carlo resampling.Pis_Cs – The model of the relationship between critical inlet pressure and cavitating discharge coefficient.Pis_Cs.p – The estimates of the parameters of the model.Pis_Cs.f – The handle of the function for the model.Pis_Cs.gof – The coefficient of determination.Pis_Cs.SU – The standard uncertianties of the estimates of the parameters.Pis_Cs.k – The coverage factors for the estimates of the standard uncertainties.Pis_Cs.U – The expanded uncertainties for the estimates of parameters.Pis_Cs.P – The sets of estimates of parameters generated through Monte Carlo resampling.Pis_Qs – The model of the relationship between critical inlet pressure and stable flow rate.Pis_Qs.p – The estimates of the parameters of the model.Pis_Qs.f – The handle of the function for the model.Pis_Qs.gof – The coefficient of determination.Pis_Qs.SU – The standard uncertianties of the estimates of the parameters.Pis_Qs.k – The coverage factors for the estimates of the standard uncertainties.Pis_Qs.U – The expanded uncertainties for the estimates of parameters.Pis_Qs.P – The sets of estimates of parameters generated through Monte Carlo resampling.sigma_c_chrc – The characteristic cavitation inception number, dimensionless.sigma_c_chrc.chrc – The estimate of the characteristic cavitation inception number.sigma_c_chrc.SU – The standard uncertainty of the estimate of the characteristic cavitation inception number.sigma_c_chrc.k – The coverage factor of the standard uncertainty.sigma_c_chrc.U – The expanded uncertainty of the estimate.sigma_c_chrc – The characteristic cavitation inception number, dimensionless.C_s_chrc – The characteristic cavitating discharge coefficient, dimensionless.C_s_chrc.chrc – The estimate of the characteristic cavitating discharge coefficient.sigma_c_chrc.SU – The standard uncertainty of the estimate of the characteristic cavitating discharge coefficient.sigma_c_chrc.k – The coverage factor of the standard uncertainty.sigma_c_chrc.U – The expanded uncertainty of the estimate.Ku<Number1> – The replicates at a upstream valve opening; Number1 deontes the opening.Ku<Number1>.R<Number2> – The data of the Number2-th replicate.Ku<Number1>.R<Number2>.Q – The flow rate time series.Ku<Number1>.R<Number2>.Pi – The inlet pressure time series.Ku<Number1>.R<Number2>.Pa – The ambient pressure time series.Ku<Number1>.R<Number2>.Q_s – The stable flow rate of this replicate.Ku<Number1>.R<Number2>.Pi_s – The stable inlet pressure of this replicate.Ku<Number1>.R<Number2>.Pac – The stable ambient pressure of this replicate.Ku<Number1>.R<Number2>.sigma_c – The cavitation inception number of this replicate.Ku<Number1>.R<Number2>.C_s – The cavitating discharge coefficient of this replicate.Ku<Number1>.R<Number2>.t – The measured time instants of this replicate.Ku<Number1>.R<Number2>.t_c – The time instant at cavitation inception of this replicate.Ku<Number1>.R<Number2>.f – The function handlefrom the regression of non-cavitating inlet pressures and stable flow rates.Ku<Number1>.R<Number2>.sigma – The cavitation number time series of this replicate.Ku<Number1>.R<Number2>.OD – The dissolved oxygen concentration this replicate, mg/L.Ku<Number1>.R<Number2>.T – The water temperature of this replicate, degrees celsius.Ku<Number1>.R<Number2>.Date – The experiment date of this replicate