by National Aeronautics and Space Administration, For sale by the National Technical Information Service in [Washington, DC], [Springfield, Va .
Written in English
|Statement||Gary R. Halford and Paul A. Bartolotta.|
|Series||NASA technical memorandum -- 103660|
|Contributions||Bartolotta, Paul A., United States. National Aeronautics and Space Administration.|
|The Physical Object|
Appropriately designed, the Stirling engine promises high thermal efficiency, quiet operation and the ability to operate from a wide range of heat sources. Stirling Cycle Engines offers tools for expediting feasibility studies and for easing the task of designing for a novel application. Stirling engines work using the heat energy as the energy input and are based on the Stirling cycle. It is proposed to develop a Stirling engine for a kW e electrical output. Definition: A Stirling engine is a thermal machine that transforms heat into work to produce electricity. The engine operates on a thermodynamic cycle, with compression and expansion of the working fluid at different temperature levels. Attractive Stirling Properties. Stirling engine Technological Needs. 1. Multi-fuel capability 2. Waste heat. Stirling engines have a major advantage over other comparative processes in that the combustion here occurs in an external combustion engine. This minimizes the level of purification required for LFG compared with other utilization processes. Stirling engines can be successfully combined for CHP systems to provide a high thermal efficiency.
Stirling Engine Assessment. Effective December 6, , this report has been made publicly available in accordance with Section (b)(3) and published in accordance with Section of the U.S. Export Administration Regulations. As a result of this publication, this report is subject to only copyright protection and does not require any license agreement from EPRI. A recent scaling study on a free-piston Stirling engine highlights the leakage losses as one of the main bottlenecks . The increased leakage loss induces reheat losses due to the flow of cold. Stirling Engine Design and Feasibility for Automotive Use. Posted by sicyv. Stirling engine design and feasibility for automotive use. Revival of the Stirling engine. The Stirling engine had attracted attention again around , after Philips co. had started to develop the Stirling as a portable electric power generator. At the same time, the Stirling engine was being researched as a refrigerator. It succeeded in that it cools even 74 K.
Alpha type: Alpha Stirling engines have two power pistons in separate cylinders installed at either side of the cooler, regenerator and heater, as depicted in Fig. 1(a). Both pistons need to transfer the work and have to be sealed to contain the high pressure working gas. The alpha type Stirling engine can be arranged in a double-acting configuration by interconnecting several alpha units in a. Design of a free-piston Stirling engine-pump. Posted on by ruly. Free-Piston Stirling Engine Generators IntechOpen. Life Styles Inventory ™. Research and development by Robert A. Cooke, Ph.D. and J. Clayton Lafferty, Ph.D. Before (and beyond) Emotional Intelligence: The Life Styles Inventory (LSI) has helped millions of people understand and change their thinking and behavioral styles to increase one of the first self-development assessments to feature a circumplex and provide a The Stirling engine also has the potential to meet DOE's performance and cost goals. The NASA Lewis Research Center is conducting technology development for Stirling convertors directed toward a dynamic power source for space applications. Space power requirements include high reliability with very long life, low vibration and high system.