Stirling Convertor Regenerators: 1st Edition (Paperback) book cover

Stirling Convertor Regenerators

1st Edition

By Mounir B. Ibrahim, Roy C. Tew, Jr.

CRC Press

487 pages | 285 B/W Illus.

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Description

Stirling Convertor Regenerators addresses the latest developments and future possibilities in the science and practical application of Stirling engine regenerators and technology. Written by experts in the vanguard of alternative energy, this invaluable resource presents integral scientific details and design concepts associated with Stirling converter regenerators. Content is reinforced with novel insights and remarkable firsthand experience that the authors and their colleagues acquired while working at the National Aeronautics and Space Administration (NASA) and other leading organizations.

Apply NASA Experience & Experimentation

Intrigued by its special potential to improve energy generation, NASA has been working on Stirling technology since 1980—first for automotive applications, and later for use in generating auxiliary power during space missions. Now, after three decades of development, the Department of Energy and NASA and its contractors have developed a high-efficiency Stirling radioisotope generator (SRG), and NASA plans to launch such a Stirling engine/alternator for use in deep space.

With contributions from top experts in their fields, this reference offers a rare insider’s perspective that can greatly benefit engineers, scientists, and even students who are currently working in R&D for Stirling machines, as well as other burgeoning areas of alternative power generation—particularly solar and wind technologies. This book is a significant resource for anyone working on application of porous materials in filters, catalytic convertors, thermal energy storage, electronic cooling, and more.

Table of Contents

Introduction

Unsteady Flow and Heat Transfer Theory

Governing Equations

Nonequilibrium Porous-Media Conservation Equations

Summary

Correlations for Steady/Unsteady Fluid Flow and Heat Transfer

Introduction

Internal Fluid Flow and Heat Transfer

External Fluid Flow and Heat Transfer

Fluid Flow and Heat Transfer in Regenerators

Summary

Fundamentals of Operation and Types of Stirling Devices, with Descriptions of Some Sample Devices (Including Power and Cooling Levels)

Introduction

Fundamentals of Operation of Stirling Engines, Coolers, and Heat Pumps

General Structural Configurations of Stirling Engines

Methods of Getting Power Out of Stirling Engines

Power Outputs of Some Stirling Engines That Have Been Fabricated and Tested

Stirling Coolers

Types of Stirling Engine Regenerators

Introduction

Regenerator Envelope (Canister or Volume) Configurations

Regenerator Porous Material Structures

Random-Fiber Regenerators—Actual Scale

Introduction

NASA/Sunpower Oscillating-Flow Test Rig and Test-Rig Modifications

Random-Fiber Test Results

Theoretical Investigations

Computational Fluid Dynamics (CFD) Simulation for Cylinders in Cross-Flow

Concluding Remarks and Summary of Experimental Correlations

Random-Fiber Regenerator—Large Scale

Introduction

Major Aspects and Accomplishments of the Large-Scale Regenerator Test Program

Segmented-Involute-Foil Regenerator—Actual Scale

Introduction

Selecting a Microfabricated Regenerator Design

Manufacturing Processes Considered and Manufacturing Vendor Selection

Analysis, Assembly, and Oscillating-Flow Rig Testing of the Segmented-Involute-Foil Regenerator

CFD Results for the Segmented-Involute-Foil Regenerator

Structural Analysis of Involute Foil Regenerator

Stirling Engine Involute-Foil Regenerator Results

Overall Involute-Foil Conclusions and Recommendations for Future Work

Segmented-Involute-Foil Regenerator—Large-Scale (Experiments, Analysis, and Computational Fluid Dynamics)

Introduction

Dynamic Similitude

Large-Scale Mock-Up Design

The LSMU Experiments under Unidirectional Flow

The Jet Penetration Study

Unsteady Heat-Transfer Measurements

Mesh Sheets and Other Regenerator Matrices

Introduction

Mesh-Sheet Regenerators

Matt Mitchell’s Etched-Foil Regenerators

Sandia National Laboratory Flat-Plate Regenerator

Applications Other Than Stirling Engines

Introduction

Use of Porous Material in Combustion Processes

Use of Porous Materials to Enhance Electronic Cooling

Use of Porous Materials in Heat Pipes

Summary and Conclusions

Future Work

Developing New Stirling Engine/Coolers

Developing a New Regenerator Design

Further Investigations in the Regenerator

Computational Fluid Dynamics (CFD) Modeling of the Regenerator

Microfabrication of New Regenerators

Appendices

Nomenclature

About the Authors

Mounir Ibrahim is professor of mechanical engineering at Cleveland State University (CSU), Ohio. Ibrahim has been involved in research on fluid flow and heat transfer in different areas and applications, including heat transfer in gas turbines, gas turbine combustors, Stirling engines, and Stirling regenerator design using microfacbrication techniques, to name a few. He has more than 35 years of administrative, academic, research, and industrial experience. Ibrahim is a Fellow of the American Society of Mechanical Engineers (ASME) and Associate Fellow of the American Institute of Aeronautics and Astronautics (AIAA). He has been the chair of the ASME K-14 (Heat Transfer in Gas Turbines) Committee (July 2006 to June 2008). He also chaired the Mechanical Engineering Department at CSU from March 1998 to June 2002. He was a visiting scholar at Oxford University in 2008, and at the University of Minnesota, Minneapolis, in 2002. He has been awarded more than $5 million externally funded research and has supervised more than 60 masters and doctoral students. He has published more than 100 publications in prestigious journals and conference proceedings. Ibrahim has two patents: "High-Temperature, Non-Catalytic, Infrared Heater," U.S. Patent #6368102 and U.S. Patent #6612835.

Roy Tew was an analytical research engineer for more than 46 years at the National Aeronautics and Space Administration (NASA) Glenn Research Center. He worked on space-power projects, with particular emphasis on Stirling power-convertor analysis, until his retirement in January 2009. In these areas, he also acted as grant and contract monitor for efforts including research into Stirling thermodynamic loss understanding, Stirling regenerator research and development, and development of Stirling multidimensional modeling codes. While employed at NASA, Tew was an author or coauthor on 29 NASA reports and other published papers. He earned degrees in physics (B.S. from the University of Alabama), engineering science (M.S. from Toledo University, Ohio), and mechanical engineering (Dr.Eng. from Cleveland State University). He is a member of the American Society of Mechanical Engineers (ASME) and the American Institute of Aeronautics and Astronautics (AIAA). He was an Ohio Registered Professional Engineer until he let his license expire after retirement. Since retirement, Dr. Tew has been working with Mounir Ibrahim of Cleveland State University to prepare this book. During the fall semester of 2010, he taught a graduate course in energy conversion at Cleveland State University (his first experience in teaching a course). Although retired from NASA Glenn, he currently works there as a Distinguished Research Associate, a part-time, volunteer position.

Subject Categories

BISAC Subject Codes/Headings:
SCI024000
SCIENCE / Energy
SCI065000
SCIENCE / Mechanics / Dynamics / Thermodynamics
TEC031010
TECHNOLOGY & ENGINEERING / Power Resources / Alternative & Renewable