Mr Jim Bierschenk, Chief Engineer, Sr Mgr, Product R&D
Nov 17, 2010.
Marlow Industries Presentation*
Marlow Industries Audio*
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Cost effective thermoelectric solutions for harvesting energy from small temperature differences require the integration and optimization of a number of thermal and electrical characteristics. For practical thermoelectric energy harvesting applications, small natural convection heat sinks are desired to maximize the available net power, minimize size, reduce cost and maximize system reliability. Thermal matching of the thermoelectric generator to the heat sink is essential for achieving maximum power output from the thermoelectric device. Numerous thermoelectric designs, each with different number TE element dimensions and number of thermocouples can meet the thermal matching criteria. The latest low threshold voltage step-up circuits enable the use of small, cost effective, low couple count thermoelectric devices which can be matched electrically enabling operation with small temperature differences. The latest developments and test data for small, low cost, low deltaT (less than 5°C from source to ambient) thermoelectric energy harvesters will be discussed.
Speaker Biography (Jim Bierschenk)
James L. (Jim) Bierschenk - is the Director of Global Technology at II-VI Marlow and the Director of II-VI Marlow's Power Generation Business Unit. Jim joined Marlow in 1987 and has over 27 years of thermoelectric design and technical management experience. He is a 1984 graduate of the University of Texas with a BS degree in Mechanical Engineering. Jim is the recipient of 8 US patents and has numerous publications in the thermoelectric field.
Company Profile (Marlow Industries Inc)
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II-VI Marlow is the world leader in quality thermoelectric technology. II-VI Marlow develops and manufactures thermoelectric modules and value-added systems for the aerospace, defense, medical, industrial, automotive, power generation and telecommunications markets. With our full range of products and services, II-VI Marlow can offer the optimum solution to meet your quality, performance, cost and delivery needs. II-VI Marlow offers additional support through a global network of channel partners and regional offices located in USA, Germany, China, Japan and Singapore.