ДСТУ ISO 21014:2019 Криогенные сосуды. Рабочие характеристики криогенной изоляции (ISO 21014:2006, IDT)

ДСТУ ISO 21014:2019
(ISO 21014:2006, IDT)

Кріогенні посудини.
Робочі характеристики кріогенної ізоляції

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Terms and definitions

3 General conditions for all methods

4 Measuring the heat leak by the loss of product method

4.1 General

4.2 Test procedure

4.3 Determination of the heat leak in units of energy per unit time

4.4 Determination of the heat leak as a percentage loss of product per 24 h

5 Determination of the holding time for open systems from heat-leak data

6 Holding times for closed systems

6.1 Determination of the equilibrium holding time from heat-leak data

6.2 Calculation of the equilibrium holding time from heat-leak data

6.3 Static experimental holding time

7 Test report

Annex A (normative) Conversion of measured volumetric gaseous flow to mass flow

Annex В (normative) Correction of measured mass flow rate with regard to deviation from reference conditions

Annex C (normative) Equivalent loss determination for products other than the test product

Bibliography