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Stephen Turns
Pennsylvania State University
CombustionThermal fluidsChemistryDiffusion flameThermodynamics
69Publications
22H-index
3,799Citations
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Publications 68
Newest
#1Peggy Noel Van Meter (PSU: Pennsylvania State University)H-Index: 12
#2Carla M. Firetto (PSU: Pennsylvania State University)H-Index: 7
Last. Charlyn W. Shaw (PSU: Pennsylvania State University)H-Index: 1
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8 CitationsSource
#1Carla M. Firetto (PSU: Pennsylvania State University)H-Index: 7
Last. Thomas A. LitzingerH-Index: 31
view all 4 authors...
Thermodynamics is a particularly challenging course for many engineering students early in their college education. Thus,it represents a significant opportunity for the use of concept inventories to assess students’ understanding of core ideas andprinciples in order to gauge their initial knowledge and aid their future learning. In this paper we forward an inventory toassess students’ understanding of foundational thermodynamics concepts and principles, such as state relations, heat,work, and co...
1 Citations
#1Stephen Turns (PSU: Pennsylvania State University)H-Index: 22
#2Peggy Noel Van Meter (PSU: Pennsylvania State University)H-Index: 12
Last. Carla M. Firetto (PSU: Pennsylvania State University)H-Index: 7
view all 4 authors...
2 Citations
#1Stephen TurnsH-Index: 22
#1Stephen Turns (PSU: Pennsylvania State University)H-Index: 22
8 Citations
#1Thomas A. Litzinger (PSU: Pennsylvania State University)H-Index: 31
#2Peggy Noel Van Meter (PSU: Pennsylvania State University)H-Index: 12
Last. Sarah E. Zappe (PSU: Pennsylvania State University)H-Index: 12
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Background Even as expectations for engineers continue to evolve to meet global challenges, analytical problem solving remains a central skill. Thus, improving students' analytical problem solving skills remains an important goal in engineering education. This study involves observation of students as they execute the initial steps of an engineering problem solving process in statics. Purpose (Hypothesis) (1) What knowledge elements do statics students have the greatest difficulty applying durin...
41 CitationsSource
#1Lucas Jay Passmore (PSU: Pennsylvania State University)H-Index: 4
#2Thomas A. Litzinger (PSU: Pennsylvania State University)H-Index: 31
Last. Sarah E. Zappe (PSU: Pennsylvania State University)H-Index: 12
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2 Citations
#1Seong-Young Lee (MTU: Michigan Technological University)H-Index: 16
#2Stephen Turns (PSU: Pennsylvania State University)H-Index: 22
Last. Robert J. Santoro (PSU: Pennsylvania State University)H-Index: 19
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Abstract This paper presents results from an investigation of soot formation in turbulent, non-premixed, C 2 H 4 /air jet flames. Tests were conducted using a H 2 -piloted burner with fuel issuing from a 2.18 mm i.d. tube into quiescent ambient air. A range of test conditions was studied using the initial jet velocity (16.2–94.1 m/s) as a parameter. Fuel-jet Reynolds numbers ranged from 4000 to 23,200. Planar laser-induced incandescence (LII) was employed to determine soot volume fractions, and ...
63 CitationsSource
#1Stephen Turns (PSU: Pennsylvania State University)H-Index: 22
#2Laura L. PauleyH-Index: 10
Last. Sarah E. ZappeH-Index: 12
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Although many instructors may see the benefits of active and collaborative learning strategies, they may be reluctant to use them in their classes because they lack information on how to apply such strategies to specific mechanical engineering subjects. Here we present twenty-three in-class exercises that are useful for instruction in a first course in fluid mechanics. These exercises range from activities that consume a large portion of a class period to those that require just a few minutes, o...
3 Citations
#1Thomas A. LitzingerH-Index: 31
Last. Sarah E. ZappeH-Index: 12
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1 Citations
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