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You searched on: Author: Mark Kedzierski

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1. Performance Ranking of Refrigerants With Low Global Warming Potential
Published: 1/7/2015
Authors: Mark A Kedzierski, J S Brown, Junemo Koo
Abstract: This paper evaluates in a typical air-conditioner the cycle performance of thirty-nine refrigerants identified in the AHRI Low Global Warming Potential (GWP) Alternative Refrigerants Evaluation Program (Low-GWP AREP). The Low-GWP AREP was initiated ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914798

2. Effect of Concentration on R134a/Al2O3 Nanolubricant Mixture Boiling on a Reentrant Cavity Surface
Published: 11/23/2014
Author: Mark A Kedzierski
Abstract: This paper quantifies the influence of Al2O3 nanoparticles on the pool boiling performance of R134a/polyolester mixtures on a Turbo-BII-HP boiling surface. Nanolubricants with 10 nm diameter Al2O3 nanoparticles of various volume fractions (1.6 %, 2. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916559

3. Effect of Acoustic Excitation on R134a/Al2O3 Nanolubricant Mixture Boiling on a Reentrant Cavity Surface
Published: 11/1/2014
Authors: Mark A Kedzierski, Steven Earl Fick
Abstract: This paper quantifies the influence of acoustic excitation of Al2O3 nanoparticles on the pool boiling performance of R134a/polyolester mixtures on a commercial (Turbo-BII-HP) boiling surface. A nanolubricant with 10 nm diameter Al2O3 nanoparticles a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916561

4. Potential Research Areas in Residential Energy Storage for NIST‰s Engineering Laboratory
Series: Technical Note (NIST TN)
Report Number: 1844
Published: 9/25/2014
Authors: Mark A Kedzierski, William V Payne, Harrison M Skye
Abstract: This paper recommends research that is required to develop and, thus, enable cost effective, residential electricity storage systems for renewable energy. As residential electricity generation from renewable sources becomes more prevalent, resid ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917058

5. Effect of Acoustic Excitation on R134a/Al2O3 Nanolubricant Mixture Boiling on a Reentrant Cavity Surface with Extensive Measurement and Analysis Details
Series: Technical Note (NIST TN)
Report Number: 1836
Published: 8/6/2014
Authors: Mark A Kedzierski, Steven Earl Fick
Abstract: This paper quantifies the influence of acoustic excitation of Al2O3 nanoparticles on the pool boiling performance of R134a/polyolester mixtures on a Turbo-BII-HP boiling surface. A nanolubricant with 10 nm diameter Al2O3 nanoparticles at a 5.1 % vol ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915977

6. Horizontal Convective Boiling of R134a, R1234yf/R134a, and R1234ze(E)within a Micro-Fin Tube
Published: 6/24/2014
Authors: Mark A Kedzierski, ki-jung park
Abstract: This report presents local convective boiling measurements in a micro-fin tube for R134a and two low global warming potential (GWP ) refrigerants: R1234yf/ R134a, 56/44 % mass and R1234ze(E). The heat transfer coefficient of the three test fluids w ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914518

7. Effect of Concentration on R134a/Al2O3 Nanolubricant Mixture Boiling on a Reentrant Cavity Surface with Extensive Measurement and Analysis Details
Series: Technical Note (NIST TN)
Report Number: 1813
Published: 9/25/2013
Author: Mark A Kedzierski
Abstract: This paper quantifies the influence of Al2O3 nanoparticles on the pool boiling performance of R134a/polyolester mixtures on a Turbo-BII-HP boiling surface. Nanolubricants with 10 nm diameter Al2O3 nanoparticles of various volume fractions (1.6 %, 2. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914469

8. Horizontal Convective Boiling of R134a, R1234yf/R134a, and R1234ze(E) within a Micro-Fin Tube with Extensive Measurement and Analysis Details
Series: Technical Note (NIST TN)
Report Number: 1807
Published: 8/15/2013
Authors: Mark A Kedzierski, Ki-Jung Park
Abstract: This report presents local convective boiling measurements in a micro-fin tube for R134a and two low global warming potential (GWP ) refrigerants: R1234yf/ R134a, 56/44 % mass and R1234ze(E). Water heating either in counterflow or in parallel flow ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913997

9. Measurement and Prediction of Vapor-Space Condensation of Refrigerants on Trapezoidal-Finned and Turbo-C Geometries
Published: 6/3/2013
Authors: Mark A Kedzierski, J S Brown, Matt Carr
Abstract: This paper reports vapor-space condensation heat transfer measurements for R123, R134a, and R245fa on two passively enhanced vertical surfaces and on a vertical smooth plate. The two enhanced surfaces were the integral trapezoidal-fin and the Turbo- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913033

10. Nanofluids, Heat-Transfer Equipment and Plain-Vanilla
Published: 6/3/2013
Author: Mark A Kedzierski
Abstract: Nanoparticle materials can be very inexpensive and the technology for producing nanofluids is mature. The production of inks, paints, coatings, and suntan lotions is old enough to be a very competitive industry. So, nanofluids probably set the benc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912027



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