Index Catalog // ScholarsArchive@OSU

Leaf resistance responses in selected conifers interpreted with a model simulating transpiration

Creator:: Running, Steven William
Abstract:: The resistance of a leaf to molecular gaseous diffusion is an important physiological response. Control of leaf resistance enables a plant to control its transpired water loss and regulates photosynthesis. Four study sites representing a gradient in available moisture and evaporative demand, were chosen in western Oregon for the study...
Resource Type:: Masters Thesis

Radiation and energy balance within and above a Douglas-fir forest : a preliminary study

Creator:: Doraiswamy, Paul C., 1948-, Fritschen, Leo, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Resource Type:: Technical Report
Full Text:: from a mathematical model. All the -44- data was reduced from 10 minute values to hourly averages

Continuum mechanics methods applied to root growth and the penetration of soil by roots

Creator:: McCoy, Edward L.
Abstract:: The principles of continuum mechanics provide a consistent framework for the derivation of mathematical statements describing transport of water and solute, and growth in plant tissue. These derivations are based upon the explicit consideration of the tissue as a mathematical continuum composed of a cell wall matrix, water, and solute...
Resource Type:: Dissertation
Full Text:: balance approach. The overall mathematical expression of transport and deformation in plant tissue is

Model for uptake of organic chemicals by plants

Creator:: Boersma, L., Lindstrom, F. T., and McFarlane, Craig, 1936-
Abstract:: Uptake, in-plant transport, and local accumulation of organic chemicals by plants are influenced by plant characteristics, properties of the chemical and the soil, and by environmental conditions. Evaluations of plant contamination required by regulatory agencies cannot be made experimentally for the many thousands of xenobiotic chemicals in existence or being...
Resource Type:: Technical Report
Full Text:: tio n: htt p:/ /ex ten sio n.o reg on sta te. ed u/c ata log MATHEMATICAL MODEL OF PLANT

Stability analysis of dynamic heat transfer

Creator:: Luo, Shyr Tung
Abstract:: The stability analysis for a heated tube system is an important safety feature of a nuclear power plant. Although the system theory is well established for linear systems described by ordinary differential equations, there is still a shortage of theory dealing with a distributed system, which is described by partial...
Resource Type:: Dissertation
Full Text:: . IMPLEMENTATION 72 4.1 MATHEMATICAL MODEL FOR THE REACTOR HEAT TRANSFER 73 4.2 SUBCOOLED FLUID 76 4.3 TWO

Off-design analysis and control of a wood-fired combined-cycle power plant

Creator:: Brawn, Robert Charles
Abstract:: This report presents the off-design analysis of various wood-fired combined-cycle power plants using a computer model to simulate plant performance. The combined-cycle systems investigated are characterized by having a woodfueled combustor, an indirect-fired gas turbine, and a Rankine steam cycle. This work was conducted as part of a larger biomass...
Resource Type:: Masters Thesis
Full Text:: . COMPUTER MODELS A computer model was developed to simulate the wood- fired combined cycle power plant

Dynamic mathematical model for transport processes in plants

Creator:: Sangkhasila, Kumut
Resource Type:: Dissertation
Full Text:: production and utilization into the plant transport model, one might obtain the mathematical model as a

Equations for estimating biomass and leaf area of plants in the Pacific Northwest

Creator:: Oregon State University. Forest Research Laboratory, Gholz, Henry L., Grier, C. C., Campbell, A. G., and Brown, A. T.
Abstract:: Reliable estimates of plant biomass and leaf surface area are essential for studying primary production, nutrient cycling, hydrology, wildlife management, and fire. This paper presents equations that can be used to make such estimates for most plant species-trees, shrubs, and herbs-dominant in western and central Oregon.' We also document the...
Resource Type:: Technical Report
Full Text:: - ure, a researcher in the field can estimate average plant weights and leaf areas for a wide range of

CTSPAC : mathematical model for coupled transport of water, solutes, and heat in the soil-plant-atmosphere continuum : v. 1. Mathematical theory and transport concepts.

Creator:: Oregon State University. Agricultural Experiment Station, Lindstrom, F. T., Boersma, L., and Yingjajaval, Suntaree
Abstract:: CTSPAC is a mathematical model for coupled transport of water, solutes, and thermal energy in the soil-plant-atmosphere continuum. The mathematical structure consists of coupling a model for transport through soil (soil submodel) to one for xylem and phloem transport (plant submodel). The modeling approach is based on discrete space conceptualization...
Resource Type:: Technical Report
Full Text:: mathematical model for coupled transport of water, solutes, and heat in the soil-plant-atmosphere continuum

Non-spatial and spatial models for multi-host pathogen spread in competing species : applications to barley yellow dwarf virus and rinderpest

Creator:: Manore, Carrie Anna
Abstract:: Modeling and analyzing the combined effects of disease and population dynamics is important in understanding the effects of mechanisms such as pathogen transmission and direct competition between host species on the distribution and abundance of different species in an ecological community. Mathematical analysis of such models in a spatially explicit...
Resource Type:: Dissertation
Full Text:: mathematical modeling perspective. In particular, we formulate a model in which two species compete directly

ScholarsArchive@OSU

Leaf resistance responses in selected conifers interpreted with a model simulating transpiration

Radiation and energy balance within and above a Douglas-fir forest : a preliminary study

Continuum mechanics methods applied to root growth and the penetration of soil by roots

Model for uptake of organic chemicals by plants

Stability analysis of dynamic heat transfer

Off-design analysis and control of a wood-fired combined-cycle power plant

Dynamic mathematical model for transport processes in plants

Equations for estimating biomass and leaf area of plants in the Pacific Northwest

CTSPAC : mathematical model for coupled transport of water, solutes, and heat in the soil-plant-atmosphere continuum : v. 1. Mathematical theory and transport concepts.

Non-spatial and spatial models for multi-host pathogen spread in competing species : applications to barley yellow dwarf virus and rinderpest

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