Thermodynamic performance measure for cryogenic vessel insulation
Abstract
Commonly encountered 'passive' insulation has been improved in recent years using 'dynamic'insulation based on closed cycle cryocoolers attached to photon shields. The paper presents a novel insulation performance measure based on ideal thermodynamic limits. Each floating insulation package has a unique value. In contrast real vessels with vent tube and supports are characterized by an 'effectiveness' less than unity.
- Publication:
-
AIChE Journal
- Pub Date:
- 1986
- Bibcode:
- 1986AIChE..82..101C
- Keywords:
-
- Carnot Cycle;
- Cryogenic Cooling;
- Dynamical Systems;
- Thermal Insulation;
- Thermodynamic Properties;
- Leakage;
- Noise Spectra;
- Optimization;
- Thermodynamic Efficiency;
- Fluid Mechanics and Heat Transfer