Liquid helium technology : proceedings of the International Institute of Refrigeration, Commission 1, Boulder (U.S.A.), 1966 / / International Institute of Refrigeration

• Record Nr.: UNINA9910825397603321
• Pubbl/distr/stampa: London : , : Pergamon Press, , 1966; ©1966
• ISBN: 1-4832-8019-5
• Descrizione fisica: 1 online resource (559 pages) : illustrations
• Collana: Pure and Applied Cryogenics
• Disciplina: 546.7511
• Soggetti: Liquid helium
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references.
• Nota di contenuto: Front Cover; Liquid Helium Technology; Copyright Page; Table of Contents; FOREWORD; LIST OF PARTICIPANTS; SECTION I: INTRODUCTORY; CHAPTER 1. LIQUID HELIUM TECHNOLOGY AT THE NATIONAL BUREAU OF STANDARDS; Technologie de l'hélium liquide au ""National Bureau of Standards""; BIBLIOGRAPHY; DISCUSSION; CHAPTER 2. THE PROPERTIES OF LIQUID HELIUM; INTRODUCTION; 1. LIQUID HELIUM AS A CRYOGENIC LIQUID; 2. THE ZERO VISCOSITY; 3. THE OSMOTIC PRESSURE OF HEAT; 4. THE HIGH HEAT TRANSPORT; 5. THE MOMENTUM OF HEAT FLOW; 6. SECOND SOUND; 7. THE HELIUM II FILM; 8. ROTATION AND VORTEX LINES; 9. QUANTISED VORTICES; 10. THE OSCILLATION OF VORTEX LINES; 11. PERSISTENT CURRENTS; 12. THE MOTION OF IONS IN HELIUM II; 13. PHASE SLIP; REFERENCES; SECTION II: HEAT TRANSFER TO LIQUID HELIUM; CHAPTER 3. THERMAL BOUNDARY RESISTANCE AND RELATED PEAK FLUX DURING SUPERCRITICAL HEAT TRANSPORT FROM A HORIZONTAL SURFACE THROUGH A SHORT TUBE TO A SATURATED BATH OF LIQUID He II; INTRODUCTION; EXPERIMENT; EXPERIMENTAL RESULTS AND DISCUSSION; ACKNOWLEDGEMENT; REFERENCES; DISCUSSION; CHAPTER 4. NOISE ASSOCIATED WITH HEAT TRANSFER TO LIQUID HELIUM II; INTRODUCTION; APPARATUS AND INSTRUMENTATION; TEST PROCEDURE; RESULTS AND DISCUSSION; CONCLUSIONS; ACKNOWLEDGEMENT; REFERENCES; DISCUSSION; CHAPTER 5. BOILING ; HEAT TRANSFER TO LIQUID HELIUM; APPARATUS AND EXPERIMENTAL METHODS; BASIC BOILING CURVE; SURFACE FINISH; SURFACE COATINGS; INFLUENCE OF THE SUB-SURFACE SOLID ON THE PEAK HEAT FLUX; REFERENCES; DISCUSSION; CHAPTER 6. HEAT TRANSFER FROM METAL TO SUPERCRITICAL HELIUM; INTRODUCTION; MEASUREMENT METHODS; MEASUREMENTS IN THE SUPERCRITICAL RANGE; REFERENCES; CHAPTER 7. HEAT TRANSFER TO BOILING LIQUID HELIUM IN NARROW VERTICAL CHANNELS; INTRODUCTION; RESULTS; CONCLUSIONS; ACKNOWLEDGMENT; REFERENCES; DISCUSSION; CHAPTER 8. CRITICAL NUCLEATE BOILING OF LIQUID HELIUM IN A SIMULATED WIRE WOUND MAGNET; REFERENCES; SECTION III: LIQUID HELIUM CRYOSTATS; CHAPTER 9. SPONTANEOUS PRESSURE OSCILLATIONS IN TUBES CONNECTING LIQUID HELIUM RESERVOIRS TO [300 °K ENVIRONMENTS; INTRODUCTION; QUALITATIVE OBSERVATIONS; EXPERIMENTAL PROCEDURE AND APPARATUS FOR QUANTITATIVE OBSERVATIONS; TEST RESULTS; CONCLUSIONS; ACKNOWLEDGEMENTS; REFERENCES; DISCUSSION; CHAPTER 10. MICRODEGREE TEMPERATURE CONTROLLER FOR LIQUID HELIUM II BATH; INTRODUCTION; THE BASIC BRIDGE; DYNAMIC APPARATUS; PERFORMANCE; REFERENCES; DISCUSSION; CHAPTER 11. CONTROL SYSTEM FOR TEMPERATURE AND LIQUID LEVEL IN A HELIUM CRYOSTAT BELOW 4.2 °K; INTRODUCTION; DESCRIPTION OF THE DEVICE; CONTROL AND EXPERIMENTAL RESULTS; REFERENCES; CHAPTER 12. CALIBRATION OF GERMANIUM THERMOMETERS FROM 2°-20°K; 1. INTRODUCTION; 2. NBS PROVISIONAL TEMPERATURE SCALE 2-20 (1965); 3. CALIBRATION APPARATUS; 4. RESULTS; 5. CONCLUSIONS; BIBLIOGRAPHY; DISCUSSION; CHAPTER 13. A CRYOSTAT OF HIGH THERMAL STABILITY IN THE TEMPERATURE RANGE 4°-14 °K; 1. GENERAL CONSIDERATIONS; 2. THE HOMOGENEITY OF THE ENCLOSURE TEMPERATURE; 3. THE DETECTION OF TEMPERATURE VARIATIONS