John and Willie Leone Department of Energy & Mineral Engineering (EME)

  • United States

Research Output 1972 2020

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Article
1990
4 Citations (Scopus)

Study of gas condensation in transmission pipelines with a hydrodynamic model

Mucharam, L., Adewumi, M. A. & Watson, R. W., Aug 1 1990, In : SPE PRODUCTION ENGINEERING. 5, 3, p. 7p 18234

Research output: Contribution to journalArticle

Condensation
Hydrodynamics
Pipelines
Gases
Gas condensates
12 Citations (Scopus)

Study of gas condensation in transmission pipelines with a hydrodynamic model

Mucharam, L., Adewumi, M. A. & Watson, R. W., Jan 1 1990, In : SPE Production Engineering. 5, 3 , Aug., 1990, p. 236-242 7 p.

Research output: Contribution to journalArticle

Condensation
Hydrodynamics
Pipelines
Gases
Gas condensates
26 Citations (Scopus)

The effect of annual changes in automobile fuel economy standards

Kleit, A. N., Jun 1 1990, In : Journal of Regulatory Economics. 2, 2, p. 151-172 22 p.

Research output: Contribution to journalArticle

Automobile
Energy
Automobile industry
Energy consumption
Empirical model
17 Citations (Scopus)

The efficiency effects of railroad deregulation in the United States

Barnekov, C. C. & Kleit, A. N., Jan 1 1990, In : International Journal of Transport Economics. 17, 1, p. 21-36 16 p.

Research output: Contribution to journalArticle

Deregulation
deregulation
Railroads
railroad
efficiency
6 Citations (Scopus)

The molecular statistical theory of infinitely dilute solutions based on the ion-dipole model with Lennard-Jones interaction

Lvov, S., Umniashkin, V. A., Sharygin, A. & Holovko, M. F., Jan 1 1990, In : Fluid Phase Equilibria. 58, 3, p. 283-305 23 p.

Research output: Contribution to journalArticle

Ions
dipoles
Dilution
dilution
Thermodynamic properties
8 Citations (Scopus)

Theory of partially drained piezometer insertion

Elsworth, D., Jun 1990, In : Journal of Geotechnical Engineering. 116, 6, p. 899-914 16 p.

Research output: Contribution to journalArticle

piezometer
Pore pressure
pore pressure
penetration
hydrostatic pressure
36 Citations (Scopus)

Unsteady-state nature of sorption and diffusion phenomena in the micropore structure of coal. Part 1. Theory and mathematical formulation

Kolesar, J. E., Ertekin, T. & Obut, S. T., Mar 1990, In : SPE Formation Evaluation. 5, 1, p. 81-8815233 8815153 p.

Research output: Contribution to journalArticle

Coal
Sorption
Gases
Porosity
Composite materials
23 Citations (Scopus)

Unsteady-state nature of sorption and diffusion phenomena in the micropore structure of coal. Part 2. Solution

Kolesar, J. E., Ertekin, T. & Obut, S. T., Mar 1 1990, In : SPE Formation Evaluation. 5, 1, p. 89-9719398 9719310 p.

Research output: Contribution to journalArticle

Coal
Sorption
Mathematical models
Methane
Difference equations
6 Citations (Scopus)

Use of an Unsteady-State Pulp-Partition Model to Investigate Variable Interactions in Dense-Medium Separators

Klima, M. S., Jan 1 1990, In : Coal Preparation. 8, 3-4, p. 185-193 9 p.

Research output: Contribution to journalArticle

Separators
Pulp
pulp
separator
physics
1989
2 Citations (Scopus)

A Coordination-Free Ground-Fault Relay for AC Mine Distribution Systems

Trutt, F. C., Rotithor, H. G. & Kohler, J. L., Jan 1 1989, In : IEEE Transactions on Industry Applications. 25, 5, p. 819-823 5 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

An adaptive characteristics method for advective-diffusive transport

Zhihua, O. & Elsworth, D., Jan 1 1989, In : Applied Mathematical Modelling. 13, 12, p. 682-692 11 p.

Research output: Contribution to journalArticle

Characteristics Method
Peclet number
Adaptive Method
Aspect ratio
Groundwater
11 Citations (Scopus)

Application of an Unsteady-State Pulp-Partition Model to Dense-Medium Separations

Klima, M. S. & Luckie, P. T., Jan 1 1989, In : Coal Preparation. 6, 3-4, p. 227-240 14 p.

Research output: Contribution to journalArticle

Pulp
Recovery
Separators
industrial practice
Coal
22 Citations (Scopus)

A reduced degree of freedom model for thermal permeability enhancement in blocky rock

Elsworth, D. & Xiang, J., Jan 1 1989, In : Geothermics. 18, 5-6, p. 691-709 19 p.

Research output: Contribution to journalArticle

fluid pressure
Rocks
permeability
Fluids
fluid
36 Citations (Scopus)

Carbonization of petroleum feedstocks I: Relationships between chemical constitution of the feedstocks and mesophase development

Eser, S. & Jenkins, R. G., Jan 1 1989, In : Carbon. 27, 6, p. 877-887 11 p.

Research output: Contribution to journalArticle

Petroleum
Carbonization
Feedstocks
Crude oil
Asphaltenes
32 Citations (Scopus)

Carbonization of petroleum feedstocks II: Chemical constitution of feedstock asphaltenes and mesophase development

Eser, S. & Jenkins, R. G., 1989, In : Carbon. 27, 6, p. 889-897 9 p.

Research output: Contribution to journalArticle

Asphaltenes
Petroleum
Carbonization
Feedstocks
Crude oil
3 Citations (Scopus)

Comparison of multiphase-flow correlations with measured field data of vertical and deviated oil wells in India

Rai, R., Singh, I. & Srinivasan, S., Aug 1989, In : SPE Production Engineering. 4, 3, p. 341-34916880 34916540 p.

Research output: Contribution to journalArticle

Oil wells
Multiphase flow
Pressure drop
Offshore oil fields
Composite materials
7 Citations (Scopus)

Development of coke texture by thermal pretreatment of petroleum residua

Eser, S., Derbyshire, F. J. & Karsner, G. G., Jan 1 1989, In : Fuel. 68, 9, p. 1146-1151 6 p.

Research output: Contribution to journalArticle

Petroleum
Carbonization
Coke
Crude oil
Textures

Efficient simulation of irregularly bounded reservoirs

Abou-Kassem, J. H. & Ertekin, T., Dec 1 1989, In : Society of Petroleum Engineers of AIME, (Paper) SPE. p. 27 19047p

Research output: Contribution to journalArticle

Program processors
Simulators
14 Citations (Scopus)

Physical and numerical studies of a fracture system model

Piggott, A. R. & Elsworth, D., Jan 1 1989, In : Water Resources Research. 25, 3, p. 457-462 6 p.

Research output: Contribution to journalArticle

leakage
fractured medium
benchmarking
transient flow
temporal variation

Production monitoring scheme for continuous mining sections

Kohler, J. L. & Gentzler, D. B., Mar 1 1989, Mining Engineering, 41, 3, p. 175-179 5 p.

Research output: Contribution to specialist publicationArticle

monitoring system
Monitoring
monitoring
hardware
Pattern recognition
15 Citations (Scopus)

Techniques for Improved Predictive Maintenance Testing of Industrial Power Systems

Sottile, J. & Kohler, J. L., Jan 1 1989, In : IEEE Transactions on Industry Applications. 25, 6, p. 992-999 8 p.

Research output: Contribution to journalArticle

Mineral industry
Testing
Availability
Personnel
Detectors
17 Citations (Scopus)

Theory of thermal recovery from a spherically stimulated hot dry rock reservoir

Elsworth, D., Jan 1 1989, In : Journal of Geophysical Research. 94, B2, p. 1927-1934 8 p.

Research output: Contribution to journalArticle

hot dry rock
geothermal energy
rocks
recovery
Rocks
46 Citations (Scopus)
Rocks
Fluids
Granite
Convolution
Thermal effects
6 Citations (Scopus)

Thermal recovery from a multiple stimulated HDR reservoir

Elsworth, D., Jan 1 1989, In : Geothermics. 18, 5-6, p. 761-774 14 p.

Research output: Contribution to journalArticle

Recovery
Fluids
fluid
Multiple zones
Temperature

Three-dimensional simulation of 1/8 of confined 5- and 9-spot patterns

Abou-Kassem, J. H., Ertekin, T. & Lutchmansingh, P. M., 1989, In : Society of Petroleum Engineers of AIME, (Paper) SPE.

Research output: Contribution to journalArticle

Simulators
Productivity
Engineers
Costs
1988
29 Citations (Scopus)
Coal
Drainage
Porosity
Simulators
Horizontal wells
7 Citations (Scopus)

Condition monitoring of slip-ring induction motors

Natarajan, R., Kohler, J. L. & Sottile, J., Jan 1 1988, In : Electric Power Systems Research. 15, 3, p. 189-195 7 p.

Research output: Contribution to journalArticle

Condition monitoring
Induction motors
Rotors
45 Citations (Scopus)

Effect of oxygen chemisorption on char gasification reactivity profiles obtained by thermogravimetric analysis

Lizzio, A. A., Piotrowski, A. & Radovic, L. R., Jan 1 1988, In : Fuel. 67, 12, p. 1691-1695 5 p.

Research output: Contribution to journalArticle

Chemisorption
Gasification
Thermogravimetric analysis
Oxygen
Coal
8 Citations (Scopus)

Evaluating Coal Separation Processes

Klima, M. S. & Luckie, P. T., Jan 1 1988, In : Coal Preparation. 6, 1-2, p. 91-101 11 p.

Research output: Contribution to journalArticle

Coal preparation
Coal
coal
Recovery
methodology
4 Citations (Scopus)

Flotation kinetics for titanium, zirconium and bitumen recovery from oilsand tailings

Ityokumbul, M. T., Bulani, W. & Kosaric, N., Jun 1988, In : The Canadian Journal of Chemical Engineering. 66, 3, p. 382-385 4 p.

Research output: Contribution to journalArticle

asphalt
Tailings
Titanium
Flotation
Zirconium
17 Citations (Scopus)

Parameter estimation with simplified boundary conditions

Ityokumbul, M. T., Kosaric, N. & Bulani, W., Jan 1 1988, In : Chemical Engineering Science. 43, 9, p. 2457-2462 6 p.

Research output: Contribution to journalArticle

Parameter estimation
Boundary conditions
Method of moments
22 Citations (Scopus)

PRODUCTION PERFORMANCE ANALYSIS OF HORIZONTAL DRAINAGE WELLS FOR THE DEGASIFICATION OF COAL SEAMS.

Ertekin, T., Sung, W. & Schwerer, F. C., Jan 1 1988, In : JPT, Journal of Petroleum Technology. 40, 5, p. 625-632 8 p.

Research output: Contribution to journalArticle

Boreholes
Drainage
Coal
Mine shafts
Horizontal wells

Study of gas condensation in transmission pipelines using a hydrodynamic model

Mucharam, L. & Adewumi, M. A., Jan 1 1988, In : [No source information available].

Research output: Contribution to journalArticle

Condensation
Hydrodynamics
condensation
Pipelines
hydrodynamics
54 Citations (Scopus)

Vibrationally mediated photodissociation

Likar, M. D., Baggott, J. E., Sinha, A., Ticich, T. M., Vander Wal, R. L. & Crim, F. F., 1988, In : Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics. 84, 9, p. 1483-1497 15 p.

Research output: Contribution to journalArticle

Photodissociation
photodissociation
Photons
Molecules
fragments
1987
11 Citations (Scopus)

A boundary element‐finite element procedure for porous and fractured media flow

Elsworth, D., Jan 1 1987, In : Water Resources Research. 23, 4, p. 551-560 10 p.

Research output: Contribution to journalArticle

Insulator Elements
fractured medium
porous medium
turbulent flow
nonlinearity

An analysis of air volume-flowrate determinations for mines

Kohler, J. L. & Thimons, E. D., Nov 1987, In : Mining Science and Technology. 6, 1, p. 17-29 13 p.

Research output: Contribution to journalArticle

ventilation
Ventilation
air
health and safety
Air
Oil wells
multiphase flow
Multiphase flow
Oil fields
Tubing
18 Citations (Scopus)

COMPOSITE SYSTEM SOLUTION IN ELLIPTIC FLOW GEOMETRY.

Obut, S. T. & Ertekin, T., Sep 1 1987, In : SPE Formation Evaluation. 2, 3, p. 227-238 12 p.

Research output: Contribution to journalArticle

Large scale systems
Geometry
Enhanced recovery
Hydraulics
Fluids
4 Citations (Scopus)

EOR WITH PENN STATE SURFACTANTS.

Arf, T. G., LaBelle, G., Klaus, E. E., Duda, J. L., Nagarajan, R., Biterge, M. B. & Ertekin, T., Jan 1 1987, In : SPE Reservoir Engineering (Society of Petroleum Engineers). 2, 2, p. 166-176 11 p.

Research output: Contribution to journalArticle

Surface-Active Agents
Feedstocks
Surface active agents
Hydrocarbons
Oils
5 Citations (Scopus)

Location strategy for methane, air velocity, and carbon monoxide fixed-point mine-monitoring transducers

Cohen, A. F., Fisher, T. J., Watson, R. A. & Kohler, J. L., Jan 1 1987, In : IEEE Transactions on Industry Applications. IA-23, 2, p. 375-381 7 p.

Research output: Contribution to journalArticle

Carbon monoxide
Transducers
Methane
Monitoring
Sensors

Maximum demand and demand factors in underground coal mining

Croyle, F. D., Kohler, J. L. & Bise, C. J., 1987, In : IEEE Transactions on Industry Applications. IA-23, 6, p. 1105-1111 7 p.

Research output: Contribution to journalArticle

Coal mines
Electric rates
Cables
Temperature
Hot Temperature
2 Citations (Scopus)

Process control of heavy-media systems for coal-preparation plants

Kohler, J. L., Sottile, J. & Placha, D. S., 1987, In : IEEE Transactions on Industry Applications. IA-23, 2, p. 382-388 7 p.

Research output: Contribution to journalArticle

Coal preparation
Process control
Coal
Control equipment
Density (specific gravity)
2 Citations (Scopus)

Sensitive dc ground fault relays for coal mines

Yenchek, M. R., Trutt, F. C., Kohler, J. L., Morley, L. A. & Novak, T., Jan 1 1987, In : IEEE Transactions on Industry Applications. IA-23, 4, p. 736-741 6 p.

Research output: Contribution to journalArticle

Coal mines
Signal systems
Electric instrument transformers
Sensors
23 Citations (Scopus)

Sulfur tolerance of methanol synthesis catalysts: Modelling of catalyst deactivation

Radovic, L. R. & Vannice, M. A., Jan 1 1987, In : Applied Catalysis. 29, 1, p. 1-20 20 p.

Research output: Contribution to journalArticle

Catalyst deactivation
Methanol
Sulfur
Catalysts
Catalyst poisoning
24 Citations (Scopus)

Two-color vibrationally mediated photodissociation of nitric acid

Sinha, A., Vander Wal, R. L., Butler, L. J. & Crim, F. F., Jan 1 1987, In : Journal of physical chemistry. 91, 18, p. 4645-4647 3 p.

Research output: Contribution to journalArticle

Photodissociation
Nitric Acid
nitric acid
Nitric acid
photodissociation
1986
39 Citations (Scopus)
Insulator Elements
Flow simulation
fissure
fluid flow
Flow of fluids
31 Citations (Scopus)

A model to evaluate the transient hydraulic response of three‐dimensional sparsely fractured rock masses

Elsworth, D., Jan 1 1986, In : Water Resources Research. 22, 13, p. 1809-1819 11 p.

Research output: Contribution to journalArticle

fissure
hydraulics
rock
transient flow
fluid flow
9 Citations (Scopus)

An interpolation methodology for washability data

Klima, M. S. & Luckie, P. T., Jan 1 1986, In : Coal Preparation. 2, 3, p. 165-177 13 p.

Research output: Contribution to journalArticle

interpolation
Interpolation
Ashes
methodology
Sulfur
28 Citations (Scopus)
Boreholes
Rocks
Geometry
Surface roughness
Steady flow
32 Citations (Scopus)

Carbonization of coker feedstocks and their fractions

Eser, S., Jenkins, R. G., Derbyshire, F. J. & Malladi, M., Jan 1 1986, In : Carbon. 24, 1, p. 77-82 6 p.

Research output: Contribution to journalArticle

Petroleum
Carbonization
Coke
Feedstocks
Crude oil