Personal information

Activities

Employment (4)

University of Michigan: Ann Arbor, MI, US

(College of Engineering)
Employment
Source: check_circle
University of Michigan

Illinois Institute of Technology: Chicago, Illinois, US

2006-06-01 to 2014-05-31 | Associate Professor (Mechanical, Materials, and Aerospace Engineering)
Employment
Source: Self-asserted source
Herek Clack

Illinois Institute of Technology: Chicago, Illinois, US

1999-08-01 to 2006-05-31 | Assistant Professor (Mechanical, Materials, and Aerospace Engineering)
Employment
Source: Self-asserted source
Herek Clack

National Institute of Standards and Technology: Gaithersburg, MD, US

1998-12-15 to 1999-08-01 | NRC Postdoctoral Fellow (Chemical Sciences Technology Laboratory)
Employment
Source: Self-asserted source
Herek Clack

Education and qualifications (3)

University of California Berkeley: Berkeley, CA, US

1992-09-01 to 1998-11-28 | M.S. (Mechanical Engineering)
Education
Source: Self-asserted source
Herek Clack

University of California Berkeley: Berkeley, CA, US

1992-09-01 to 1998-11-28 | Ph.D. (Mechanical Engineering)
Education
Source: Self-asserted source
Herek Clack

Massachusetts Institute of Technology: Cambridge, MA, US

1983-09-01 to 1987-06-01 | S.B. (Aeronautical and Astronautical Engineering)
Education
Source: Self-asserted source
Herek Clack

Funding (5)

STTR Phase I: Protecting Livestock from Airborne Disease Transmission Using Non-thermal Plasma Airstream Disinfection

2018-07-01 to 2020-01-31 | Grant
Directorate for Technology, Innovation and Partnerships (Alexandria, US)
GRANT_NUMBER: 1820091
Source: Self-asserted source
Herek Clack via DimensionsWizard

Non-Thermal Plasmas as Airborne Pathogen Barriers for Animal Confinement Buildings

2016-02-15 to 2018-02-14 | Grant
National Institute of Food and Agriculture (Washington D.C., US)
GRANT_NUMBER: 2016-67030-24892
Source: Self-asserted source
Herek Clack via DimensionsWizard

Sewage Off-Gas-Driven Fuel Cells to Stimulate Rural Electrification

2007-08-31 to 2008-05-31 | Grant
Environmental Protection Agency (Washington D.C., US)
GRANT_NUMBER: SU833527
Source: Self-asserted source
Herek Clack via DimensionsWizard

Virtual Sorbent Beds: Novel In-Flight Adsorption of Mercury from Coal Combustion

2006-08-01 to 2009-07-31 | Grant
Directorate for Engineering (Alexandria, US)
GRANT_NUMBER: 0607292
Source: Self-asserted source
Herek Clack via DimensionsWizard

CAREER: Droplet Vaporization under Asymmetric Conditions: Implications for Combustion at Conventional and Reduced Scales

2004-02-15 to 2010-01-31 | Grant
Directorate for Engineering (Alexandria, US)
GRANT_NUMBER: 0346297
Source: Self-asserted source
Herek Clack via DimensionsWizard

Works (48)

Ventilation does not affect influenza virus transmission efficiency in a ferret playpen setup

2023-12-26 | Preprint
Contributors: Nicole C. Rockey; Valerie Le Sage; Meredith Shephard; Nahara Vargas-Maldonado; Andrea J. French; Sydney Walter; Lucas M. Ferreri; Katie E. Holmes; David VanInsberghe; Herek Clack et al.
Source: check_circle
Crossref

Effect of TiO2 and fly ash on photocatalytic NOx abatement of engineered cementitious composites

Construction and Building Materials
2020 | Journal article
Part of ISSN: 0950-0618
Source: Self-asserted source
Herek Clack

Further consideration of gas-particle mass transfer simulation during electrostatic precipitation using lower order representations of particle size distributions: Variable size distributions

Journal of Electrostatics
2020 | Journal article
Part of ISSN: 0304-3886
Source: Self-asserted source
Herek Clack

Inactivation of airborne porcine reproductive and respiratory syndrome virus (PRRSv) by a packed bed dielectric barrier discharge non-thermal plasma

Journal of Hazardous Materials
2020 | Journal article
Part of ISSN: 0304-3894
Source: Self-asserted source
Herek Clack

Validation of N95 Filtering Facepiece Respirator Decontamination Methods Available at a Large University Hospital

Open Forum Infectious Diseases
2020-12 | Journal article
Part of ISSN: 2328-8957
Source: Self-asserted source
Herek Clack

Validation of N95 filtering facepiece respirator decontamination methods available at a large university hospital

2020-04-30 | Other
Contributors: Krista R. Wigginton; Peter J. Arts; Herek Clack; William J Fitzsimmons; Mirko Gamba; Katherine R. Harrison; William LeBar; Adam S. Lauring; Lucinda Li; William W. Roberts et al.
Source: check_circle
Crossref

Influence of TiO2 incorporation methods on NOx abatement in Engineered Cementitious Composites

Construction and Building Materials
2019 | Journal article
Part of ISSN: 0950-0618
Source: Self-asserted source
Herek Clack

Inactivation of airborne viruses using a packed bed non-thermal plasma reactor

Journal of Physics D: Applied Physics
2019-04 | Journal article
Source: Self-asserted source
Herek Clack

Lower order representations of evolving particle size distributions for rapid gas-particle mass transfer simulations during electrostatic precipitation

Fuel Processing Technology
2018 | Journal article
Part of ISSN: 0378-3820
Source: Self-asserted source
Herek Clack

Impact of coal source changes on mercury content in fly ash: Examples from a Kentucky power plant

International Journal of Coal Geology
2017 | Journal article
EID:

2-s2.0-84994052016

Contributors: Hower, J.C.; Clack, H.L.; Hood, M.M.; Hopps, S.G.; Thomas, G.H.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Numerical Simulation of Simultaneous Electrostatic Precipitation and Trace Gas Adsorption: Electrohydrodynamic Effects

Frontiers in Energy Research
2017 | Journal article
Part of ISSN: 2296-598X
Source: Self-asserted source
Herek Clack

Optical Property Measurements of Mixed Coal Fly Ash and Particulate Carbon Aerosols Likely Emitted during Activated Carbon Injection for Mercury Emissions Control

Energy & Fuels
2017 | Journal article
Source: Self-asserted source
Herek Clack

Preface for the special issue on Mercury Emission and Control from Coal-derived Flue Gas

International Journal of Coal Geology
2017 | Journal article
Part of ISSN: 0166-5162
Source: Self-asserted source
Herek Clack

Inhibition and promotion of trace pollutant adsorption within electrostatic precipitators

Journal of the Air & Waste Management Association
2017-08-03 | Journal article
Contributors: Herek L. Clack
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Regimes of enhancement and inhibition of mercury adsorption within ESPs

Air and Waste Management Association - Power Plant Pollutant Control "MEGA" Symposium, MEGA 2016
2016 | Conference paper
EID:

2-s2.0-85020713728

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Influence of Coal-Fired Power Plant Emissions Regulations and Consequent Engineering Controls and Coal-Supply Modifications on Fly Ash Chemistry and Petrology: Examples from Kentucky Power Plants

Coal Combustion and Gasification Products
2016-01 | Journal article
Source: Self-asserted source
Herek Clack

Simultaneous removal of particulate matter and gas-phase pollutants within electrostatic precipitators: Coupled in-flight and wall-bounded adsorption

Aerosol and Air Quality Research
2015 | Journal article
EID:

2-s2.0-84949793307

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Powder Resistivity Inferred Differential Collection of Heterogeneous Coal Fly Ash and Powered Activated Carbon Admixtures Within a Cylindrical Electrostatic Precipitator

Emission Control Science and Technology
2015-12-07 | Journal article
Source: Self-asserted source
Herek Clack

Particulate carbon emissions from electrostatic precipitators used for mercury emissions control: Operational factors and implications

Air Quality, Atmosphere and Health
2014 | Journal article
EID:

2-s2.0-84901650076

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Radiative forcing associated with particulate carbon emissions resulting from the use of mercury control technology

Environmental Science and Technology
2014 | Journal article
EID:

2-s2.0-84906860941

Contributors: Lin, G.; Penner, J.E.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

The effect of geometry factors on fenestration energy performance and energy savings in office buildings

Energy and Buildings
2013 | Journal article
EID:

2-s2.0-84871782472

Contributors: Susorova, I.; Tabibzadeh, M.; Rahman, A.; Clack, H.L.; Elnimeiri, M.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Effect of asymmetric radiant heating on monodisperse acetone/ethanol and acetone/2-propanol bi-component droplets

International Journal of Multiphase Flow
2012 | Journal article
EID:

2-s2.0-80055096901

Contributors: Ammigan, K.; Miller, R.S.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Estimates of increased black carbon emissions from electrostatic precipitators during powdered activated carbon injection for mercury emissions control

Environmental Science and Technology
2012 | Journal article
EID:

2-s2.0-84863502647

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Evidence of powdered activated carbon preferential collection and enrichment on electrostatic precipitator discharge electrodes during sorbent injection for mercury emissions control

Fuel Processing Technology
2012 | Journal article
Part of ISSN: 0378-3820
Source: Self-asserted source
Herek Clack
grade
Preferred source (of 2)‎

Particulate carbon emissions from ESPs during injection of powdered mercury sorbents: Updated estimates based on the U.S. EPA report to congress on black carbon

29th Annual International Pittsburgh Coal Conference 2012, PCC 2012
2012 | Conference paper
EID:

2-s2.0-84877626700

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Unsteady modeling of powdered activated carbon deposition on collection electrode of a lab-scale electrostatic precipitator (ESP)

American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM
2012 | Conference paper
EID:

2-s2.0-84882416174

Contributors: Khakpour, Y.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Electrostatic precipitation of powdered activated carbon and implications for secondary mercury adsorption within electrostatic precipitators

Energy and Fuels
2011 | Journal article
EID:

2-s2.0-79952847604

Contributors: Prabhu, V.; Lee, S.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Vaporization of bicomponent droplets exposed to asymmetric radiant heating

Combustion Science and Technology
2011 | Journal article
EID:

2-s2.0-84862937202

Contributors: Ammigan, K.; Miller, R.S.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

In situ detection of altered particle size distributions during simulated powdered sorbent injection for mercury emissions control

Energy and Fuels
2010 | Journal article
EID:

2-s2.0-77958587961

Contributors: Lee, E.M.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Mercury capture within coal-fired power plant electrostatic precipitators: Model evaluation

Environmental Science and Technology
2009 | Journal article
EID:

2-s2.0-64349111510

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Planar laser-induced fluorescence imaging of the spatial vapor distribution around a monodisperse acetone droplet stream exposed to asymmetric radiant heating

Proceedings of the Combustion Institute
2009 | Journal article
EID:

2-s2.0-61849181893

Contributors: Ammigan, K.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Mercury emissions from coal combustion: Modeling and comparison of Hg capture in a fabric filter versus an electrostatic precipitator

Journal of Hazardous Materials
2008 | Journal article
EID:

2-s2.0-40149085000

Contributors: Scala, F.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Development of in-situ measurements of mass loading within powdered activated carbon suspensions for mercury emissions control

5th US Combustion Meeting 2007
2007 | Conference paper
EID:

2-s2.0-84943550212

Contributors: Lee, E.M.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Light extinction-based monitoring of particle size distributions during sorbent injection for mercury emissions control

Western States Section/Combustion Institute Fall Meeting 2007
2007 | Conference paper
EID:

2-s2.0-84946028484

Contributors: Lee, E.M.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Spatial vapor distribution around a monodisperse acetone droplet stream exposed to asymmetric radiant heating

Western States Section/Combustion Institute Fall Meeting 2007
2007 | Conference paper
EID:

2-s2.0-84946041273

Contributors: Ammigan, K.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Bimodal fly ash size distributions and their influence on gas-particle mass transfer during electrostatic precipitation

Fuel Processing Technology
2006 | Journal article
EID:

2-s2.0-33749682931

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Mass transfer coefficients associated with the mixing of a confined gas volume by the random motion of loose spheres

International Journal of Heat and Mass Transfer
2006 | Journal article
EID:

2-s2.0-33745154099

Contributors: Clack, H.L.; Mohammed, A.A.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Mass transfer within electrostatic precipitators: In-flight adsorption of mercury by charged suspended particulates

Environmental Science and Technology
2006 | Journal article
EID:

2-s2.0-33744783669

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Mass transfer within electrostatic precipitators: Trace gas adsorption by sorbent-covered plate electrodes

Journal of the Air and Waste Management Association
2006 | Journal article
EID:

2-s2.0-33745466905

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Particle size distribution effects on gas-particle mass transfer within electrostatic precipitators

Environmental Science and Technology
2006 | Journal article
EID:

2-s2.0-33744794093

Contributors: Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Development of an air-blast atomizer for independent control of droplet size and spray density

Atomization and Sprays
2004 | Journal article
EID:

2-s2.0-24644437490

Contributors: Clack, H.L.; Koshland, C.P.; Lucas, D.; Sawyer, R.F.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

On preferential diffusion of binary component liquid droplets evaporating in a two-phase mixing layer

International Journal of Multiphase Flow
2004 | Journal article
EID:

2-s2.0-4544378722

Contributors: Varanasi, K.K.; Clack, H.L.; Miller, R.S.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Trace gas adsorption within gas-sorbent suspensions in the presence of O 2 and water vapor

American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
2002 | Conference paper
EID:

2-s2.0-0346885402

Contributors: Narasimhan, U.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Trace gas adsorption within gas-sorbent suspensions in the presence of O<inf>2</inf>and water vapor

ASME International Mechanical Engineering Congress and Exposition, Proceedings
2002 | Conference paper
EID:

2-s2.0-78249233836

Contributors: Narasimhan, U.; Clack, H.L.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

On the vaporization and thermal oxidation of chlorinated hydrocarbon/alcohol sprays

Proceedings of the Combustion Institute
2000 | Journal article
EID:

2-s2.0-84939553879

Contributors: Clack, H.L.; Koshland, C.P.; Lucas, D.; Sawyer, R.F.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

On the vaporization and thermal oxidation of chlorinated hydrocarbon/alcohol sprays

International Symposium on Combustion Abstracts of Accepted Papers
2000 | Conference paper
EID:

2-s2.0-6744236298

Contributors: Clack, H.L.; Koshland, C.P.; Sawyer, R.F.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Postflame by-product formation from size- and density-controlled 1,1,1- trichloroethane sprays

Environmental Engineering Science
1999 | Journal article
EID:

2-s2.0-0032911534

Contributors: Clack, H.L.; Koshland, C.P.; Lucas, D.; Sawyer, R.F.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Observations of spray density effects on multicomponent chlorinated hydrocarbon vaporization and thermal destruction

Symposium (International) on Combustion
1998 | Journal article
EID:

2-s2.0-0032270358

Contributors: Clack, H.L.; Koshland, C.P.; Lucas, D.; Sawyer, R.F.
Source: Self-asserted source
Herek Clack via Scopus - Elsevier

Peer review (3 reviews for 2 publications/grants)

Review activity for Journal of hazardous materials. (1)
Review activity for PloS one. (2)