Design And Technology Of Heat Pipes For Cooling And Heat Exchange

Silverstein, Cal

Introduction

HEAT PIPE CHARACTERISTICS
The Role of Capillarity in Heat Transport
Pressure and Temperature Distributions
Heat Transport Limits
Heat Pipe Startup
References

HEAT PIPE TECHNOLOGY
Heat Transport Fluids
Containment and Wick Materials
Wick Characteristics
Heat Pipe Fabrication
Environmental Influences on Heat Pipe Operation
Heat Pipe Systems
References

FLUID FLOW IN A HEAT PIPE
The Nature of the Flow Process
General Pressure Drop Formulation
Frictional Pressure Drop for Constant Surface Mass Flux
Frictional Pressure Drop for Nonconstant Surface Mass Flux
Hydraulic Diameter
Frictional Pressure Drop in a Porous Flow Passage
Frictional Pressure Drop for Convective Cooling
References

HEAT TRANSPORT LIMITS
Capillary Pumping Limit
Sonic Limit
Entrainment Limit
Boiling Limit
Heat Pipe Operational Boundaries
Comparison of Calculated and Experimental Heat Transport Limits
References

HEAT PIPE DESIGN: STEADY STATE
Design Criteria and Constraints
Heat Pipe Area-Temperature Relations
Heat Pipe Internal Dimensions
Structural Considerations
Additional Design Topics
Heat Pipe Exchangeers
References

HEAT PIPE DESIGN: TRANSIENT BEHAVIOR
Heat Pipe Startup
Features of the Transient Model
Transient Equations
Calculational Procedure
Assessment of Heat Pipe Startup
References

DESIGN EXAMPLES
Heat Pipe Space Radiator
Transient Analysis of the Heat Pipe Space Radiator
References

Appendices