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Bioresource and Agricultural Engineering Commons

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Rural School Wastewater Treatment System, Parker J. Dulin, Payton M. Smith, James W. Swart 2016 University of Tennessee, Knoxville

Rural School Wastewater Treatment System, Parker J. Dulin, Payton M. Smith, James W. Swart

University of Tennessee Honors Thesis Projects

No abstract provided.


Ag Decision Maker: Combine Ownership Or Custom Hire, William M. Edwards, H. Mark Hanna 2016 Iowa State University

Ag Decision Maker: Combine Ownership Or Custom Hire, William M. Edwards, H. Mark Hanna

william edwards

Includes advantages and disadvantages of custom hiring and information on estimating costs; includes worksheets.


Combine Harvester Econometric Model With Forward Speed Optimization, Nathan E. Isaac, Graeme R. Quick, Stuart J. Birrell, William M. Edwards, Bruce A. Coers 2016 CNH America

Combine Harvester Econometric Model With Forward Speed Optimization, Nathan E. Isaac, Graeme R. Quick, Stuart J. Birrell, William M. Edwards, Bruce A. Coers

william edwards

A combine harvester econometric simulation model was developed with the goal of matching the combine forward speed to the maximum harvested net income per acre. The model considers the machinery management costs of owning a combine and platform header for harvesting wheat. A statistical Design of Experiment (DOE) was used to evaluate the model using tri-level variables; the medium values constituted the model base case. Of the 27 input variables, the optimum speed was significantly influenced by the crop area, G/MOG ratio, grain unit price, field yield, field efficiency, grain moisture content, probability of a working day in the ...


Effects Of Biodiesel On Plastics, David A. Grewell, Tong Wang, Melissa Montalbo-Lomboy, Linxing Yao, Paul Gramann, Javier Cruz 2016 Iowa State University

Effects Of Biodiesel On Plastics, David A. Grewell, Tong Wang, Melissa Montalbo-Lomboy, Linxing Yao, Paul Gramann, Javier Cruz

Tong Wang

Many chemicals have the ability to attack on plastics as solvents and can lead to failure. In some cases, the source of the solvent is not well defined. In this study, the effect of biodiesel, a fatty acid methyl ester, on various plastics, namely polyamide 6 (PA 6), polycarbonate (PC), acrylonitrile-butadiene- styrene (ABS) and ABS/PC plastic blends was studied. Various feedstocks of biodiesel were also studied, including, soy bean oil (new and used), animal fat (tallow), corn oil as well as choice white grease. The plastics samples were tested under ASTM standard where a predefined strain is applied to ...


Automatic Recognition Of Lactating Sow Behaviors Through Depth Image Processing, F. Lao, T. Brown-Brandt, J. P. Stinn, K. Liu, G. Teng, H. Xin 2016 China Agricultural University

Automatic Recognition Of Lactating Sow Behaviors Through Depth Image Processing, F. Lao, T. Brown-Brandt, J. P. Stinn, K. Liu, G. Teng, H. Xin

Agricultural and Biosystems Engineering Publications

Manual observation and classification of animal behaviors is laborious, time-consuming, and of limited ability to process large amount of data. A computer vision-based system was developed that automatically recognizes sow behaviors (lying, sitting, standing, kneeling, feeding, drinking, and shifting) in farrowing crate. The system consisted of a low-cost 3D camera that simultaneously acquires digital and depth images and a software program that detects and identifies the sow’s behaviors. This paper describes the computational algorithm for the analysis of depth images and presents its performance in recognizing the sow’s behaviors as compared to manual recognition. The images were acquired ...


Carbon Nanotubes Affect The Toxicity Of Cuo Nanoparticles To Denitrification In Marine Sediments By Altering Cellular Internalization Of Nanoparticle, Xiong Zheng, Yinglong Su, Yinguang Chen, Rui Wan, Mu Li, Haining Huang, Xu Li 2016 Tongji University, Shanghai, China

Carbon Nanotubes Affect The Toxicity Of Cuo Nanoparticles To Denitrification In Marine Sediments By Altering Cellular Internalization Of Nanoparticle, Xiong Zheng, Yinglong Su, Yinguang Chen, Rui Wan, Mu Li, Haining Huang, Xu Li

Civil Engineering Faculty Publications

Denitrification is an important pathway for nitrate transformation in marine sediments, and this process has been observed to be negatively affected by engineered nanomaterials. However, previous studies only focused on the potential effect of a certain type of nanomaterial on microbial denitrification. Here we show that the toxicity of CuO nanoparticles (NPs) to denitrification in marine sediments is highly affected by the presence of carbon nanotubes (CNTs). It was found that the removal efficiency of total NOX-N (NO3-N and NO2-N) in the presence of CuO NPs was only 62.3%, but it increased to ...


Crop Selection, Cost Analysis, And Irrigation System Design For The Replanting Of A Nut Orchard, Maximilian Bricker 2016 California Polytechnic State University, San Luis Obispo

Crop Selection, Cost Analysis, And Irrigation System Design For The Replanting Of A Nut Orchard, Maximilian Bricker

BioResource and Agricultural Engineering

This report was made to help the landowner of Bricker Farms make decisions regarding the replanting of his orchard. The decisions that need to be made in this process include: which crop to plant, how to plant it, and how to improve the distribution uniformity of irrigation water on the orchard. The report does not give definitive final decisions, but presents viable options that the landowner can utilize when deciding. In addition to the options that are presented, the report offers suggestions to the landowner so that the replanting process is done properly in a timely and economically-friendly manner.


Design Of A Drip Irrigation System For 80 Acres Of Almonds In Arbuckle, California, Alexander E. Marsh 2016 California Polytechnic State University, San Luis Obispo

Design Of A Drip Irrigation System For 80 Acres Of Almonds In Arbuckle, California, Alexander E. Marsh

BioResource and Agricultural Engineering

This senior project discusses the detailed steps and calculations involved with the design of a dual line buried drip irrigation system. The system is specifically for an 80 acre orchard of almonds in Arbuckle, California. The new design distribution uniformity of the design in 0.92.


The Design And Construction Of A Rear Bumper With Incorporated Spare Tire Rack, Alan C. Isaacson 2016 California Polytechnic State University, San Luis Obispo

The Design And Construction Of A Rear Bumper With Incorporated Spare Tire Rack, Alan C. Isaacson

BioResource and Agricultural Engineering

This senior project outlines the design and construction of a rear bumper with incorporated spare tire and equipment rack for a 1946 Willys CJ2A Jeep. The spare tire rack is capable of swinging out away from the vehicle to allow for the use of the vehicle’s tailgate. The bumper was designed for strength, functionality and aesthetic qualities alike. Additionally, the bumper design considered all vehicle codes and regulations.


Design And Testing Of An Autonomous Ground Robot For Agricultural Applications, Lukas L. Hannemann 2016 California Polytechnic State University, San Luis Obispo

Design And Testing Of An Autonomous Ground Robot For Agricultural Applications, Lukas L. Hannemann

BioResource and Agricultural Engineering

This senior project discusses the design and testing of an autonomous ground robot for agricultural applications such as strawberries. The vehicle will feature a robotic arm that will be programmed to perform various tasks, such as collecting soil and leaf samples of the crop or measuring soil moisture and salinity. Various components were chosen to be implemented on the vehicle due its power requirements and operating environment. Finite Element Analysis testing was done on the frame of the vehicle to ensure the adequacy of the design.


Design, Construction, And Evaluation Of A Gas Forge, Spencer M. Davis 2016 California Polytechnic State University, San Luis Obispo

Design, Construction, And Evaluation Of A Gas Forge, Spencer M. Davis

BioResource and Agricultural Engineering

This report covers the design, construction, and evaluation of a propane forge. The purpose for building this propane forge was to replace an old charcoal forge in order to improve upon certain points of performance such as adjustability of heat, portability, and fuel cost by being able to run the forge for any amount of time with an easy on/off control. The design of this forge consisted of a steel pipe body insulated with ceramic fiber blanket, and was heated by a single atmospheric burner.


Testing Feasibility Of Inductive Power Coupling For Modern Applications, Andrew Burman 2016 California Polytechnic State University, San Luis Obispo

Testing Feasibility Of Inductive Power Coupling For Modern Applications, Andrew Burman

BioResource and Agricultural Engineering

This project takes two bifilar tesla coils and uses them to find a % efficiency of power transfer as distances between the coils decrease. The reason this experiment is being conducted is to find possible implications for wireless charging of vehicles using similar style coils. This project conducted experiments on 60 Hz, 400 Hz, and 1 kHz frequencies for a small input signal. The general conclusion is that as the frequency increases more power can be transferred and higher efficiency of power transfer is seen. This project also concluded that it could be possible to get higher efficiency at a greater ...


Summary Of Performance Data For Technologies To Control Gaseous, Odor, And Particulate Emissions From Livestock Operations: Air Management Practices Assessment Tool (Ampat), Devin L. Maurer, Jacek A. Koziel, Jay D. Harmon, Steven J. Hoff, Angela M. Rieck-Hinz, Daniel S. Andersen 2016 Iowa State University

Summary Of Performance Data For Technologies To Control Gaseous, Odor, And Particulate Emissions From Livestock Operations: Air Management Practices Assessment Tool (Ampat), Devin L. Maurer, Jacek A. Koziel, Jay D. Harmon, Steven J. Hoff, Angela M. Rieck-Hinz, Daniel S. Andersen

Agricultural and Biosystems Engineering Publications

The livestock and poultry production industry, regulatory agencies, and researchers lack a current, science-based guide and data base for evaluation of air quality mitigation technologies. Data collected from science-based review of mitigation technologies using practical, stakeholders-oriented evaluation criteria to identify knowledge gaps/needs and focuses for future research efforts on technologies and areas with the greatest impact potential is presented in the Literature Database tab on the air management practices tool (AMPAT). The AMPAT is web-based (available at www.agronext.iastate.edu/ampat) and provides an objective overview of mitigation practices best suited to address odor, gaseous, and particulate matter ...


Evaluating Soil Tillage Practices Using X-Ray Computed Tomography And Conventional Laboratory Methods, Maria Ambert-Sanchez, Steven K. Mickelson, Syed I. Ahmed, Joseph N. Gray, David F. Webber 2016 Peace Corps

Evaluating Soil Tillage Practices Using X-Ray Computed Tomography And Conventional Laboratory Methods, Maria Ambert-Sanchez, Steven K. Mickelson, Syed I. Ahmed, Joseph N. Gray, David F. Webber

Steven K. Mickelson

Using x-ray computed tomography (CT) for non-destructive 3-D imaging and analysis of soil physical properties has been investigated for over 30 years. However, applying this system in soil science has remained a specialized research area using primarily low-resolution medical-grade x-ray CT units that were not designed for soil analysis applications. The main research objectives were to characterize and compare physical properties of soil core samples from long-term chisel plow (CP) and no-till (NT) agricultural field management sites using a high-resolution industrial-grade x-ray CT unit and two conventional soil laboratory method (SLM) soil macroporosity analysis procedures. Field research activities during 1999 ...


Successful Strategies For Engaging Community Colleges And Universities In Transfer Partnership, Marcia R. Laugerman, Diane T. Rover, Steven K. Mickelson, Mack C. Shelley, Kari Hensen 2016 University of Iowa

Successful Strategies For Engaging Community Colleges And Universities In Transfer Partnership, Marcia R. Laugerman, Diane T. Rover, Steven K. Mickelson, Mack C. Shelley, Kari Hensen

Steven K. Mickelson

In order to increase the number of students (U.S. citizens or permanent residents) receiving associate or baccalaureate degrees in established or emerging fields within science, technology, engineering, and mathematics (STEM), the National Science Foundation (NSF) established the Science, Technology, Engineering, and Mathematics Talent Expansion Program (STEP).

The Student Enrollment and Engagement through Connections (SEEC) project is a collaboration between Iowa State University (ISU) and Des Moines Area Community College (DMACC) funded by a STEP grant to increase the number of students graduating with a bachelor's degree in engineering at ISU and the number of students in pre-engineering study ...


Holistic Student Professional Development And Assessment: A Backward Design Approach, Jacqulyn A. Baughman, Thomas J. Brumm, Steven K. Mickelson 2016 Iowa State University

Holistic Student Professional Development And Assessment: A Backward Design Approach, Jacqulyn A. Baughman, Thomas J. Brumm, Steven K. Mickelson

Steven K. Mickelson

No abstract provided.


Buffer Strips For Controlling Herbicide Losses, Steven K. Mickelson, James L. Baker 2016 Iowa State University

Buffer Strips For Controlling Herbicide Losses, Steven K. Mickelson, James L. Baker

Steven K. Mickelson

Buffer strips are considered effective for reducing runoff of sediment and agricultural chemicals from cropland. In fact, buffer strips, or vegetative filter strips, have been suggested as a Best Management Practice to reduce nonpoint source pollution from cropland. This pollution can be great, especially if rainfall occurs shortly after a chemical has been applied.


Impacts Of Cattle Grazing Management On Sediment And Phosphorus Loads In Surface Waters, M. M. Haan, J. R. Russell, Wendy J. Powers, J. L. Kovar, J. L. Boehm, Steven K. Mickelson, R. Schultz 2016 Iowa State University

Impacts Of Cattle Grazing Management On Sediment And Phosphorus Loads In Surface Waters, M. M. Haan, J. R. Russell, Wendy J. Powers, J. L. Kovar, J. L. Boehm, Steven K. Mickelson, R. Schultz

Steven K. Mickelson

In 2001 (yr 1), 2002 (yr 2), and 2003 (yr 3), three blocks of five 1-ac paddocks were grazed by beef cows on hills at the Iowa State University Rhodes Research and Demonstration Farm to determine the effects of grazing management on phosphorus (P) and sediment runoff from pastureland. Grazing management treatments included an ungrazed control (UG), summer hay harvest with winter stockpiled grazing (HS), grazing by continuous stocking to a residual sward height of 2 in. (2C), rotational stocking to a residual sward height of 2 in. (2R), and rotational stocking to a residual sward height of 4 in ...


The Engineering Admissions Partnership Program: A Navigation Strategy For Community College Students Seeking A Pathway Into Engineering, Marcia R. Laugerman, Mack C. Shelley, Steven K. Mickelson, Diane T. Rover 2016 University of Iowa

The Engineering Admissions Partnership Program: A Navigation Strategy For Community College Students Seeking A Pathway Into Engineering, Marcia R. Laugerman, Mack C. Shelley, Steven K. Mickelson, Diane T. Rover

Steven K. Mickelson

This paper presents the evaluation of a program designed to improve transfer outcomes for community college students pursuing an engineering degree. The program, the Engineering Admissions Partnership Program (E-APP), was designed to improve the navigational success of community college transfer students through connections to the university. These connections include coordinated academic advising, peer-mentoring, campus visits, and online social and professional networks. The objective of the study is to determine the efficacy of the E-APP and its interventions, which will be measured by increased participation rates and increased university retention rates for E-APP participants. Outcome data for the students are analyzed ...


Efficient Herbicide Application To Reduce Environmental Losses, James L. Baker, Steven K. Mickelson 2016 Iowa State University

Efficient Herbicide Application To Reduce Environmental Losses, James L. Baker, Steven K. Mickelson

Steven K. Mickelson

Media reports of atrazine in rainwater and surface and groundwater resources have prompted a concerned public, which includes farmers, to find more efficient, environmentally sound ways to apply pesticides and fertilizer.


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