Iowa State University Courses and Programs 1995-1997

General Catalog Index | 95-97 Catalog Index | Schedule of Classes | Registrar's Homepage
100 | 200 | 300 | 400 | Graduate Courses

Agricultural Engineering (A E)

A E 110. Seminar. (1-0) Cr. R. S. The field of agricultural engineering, its relation to the agricultural industry and to the engineering profession.

A E 213. Field and Machine Systems. (2-2) Cr. 3. F. Prereq: Credit or enrollment in all courses in the Basic Program. Applied agricultural engineering; surveying, hydrology, soil conservation, solar radiation, field machinery performance, power transmission systems. Field trip fee.

A E 214. Environmental Engineering for Grain and Animal Systems. (2-2) Cr. 3. S. Prereq: Credit or enrollment in all courses in the Basic Program. Applied agricultural engineering for biological systems; psychrometrics, environmental control for animals and stored grain, computer vision systems.

A E 298. Cooperative Education. Cr. R. F.S.SS. Prereq: Permission of department chair; sophomore classification. Required of all cooperative students. Students must register for this course prior to commencing each work period.

A E 303. Computer Applications and Systems Modeling. (3-2) Cr. 4. F. Prereq: Engr 160, Stat 105, credit or enrollment in Math 265. Computer aided solution of agricultural engineering problems by use of numerical techniques and mathematical models. Systems analysis and optimization applicable to agricultural and biological systems.

A E 342. Agricultural Tractor Power. (2-3) Cr. 3. S. Prereq: M E 330. Thermodynamic principles and construction of tractor engines. Fuels, combustion, and lubrication. Kinematics and dynamics of tractor power applications; drawbar, power take-off and traction mechanisms. Field trip fee. Open to graduate students for minor graduate credit only.

A E 363. Agri-Industrial Applications of Electric Power. (2-2) Cr. 3. F. Prereq: Phys 222. Single phase and three phase circuits. Electrical safety. Lighting and electrical system design. Electric motors and controls. Programmable logic controllers. Standby power systems. Open to graduate students for minor graduate credit only.

A E 372. Heat Transfer in Environmental Systems. (3-0) Cr. 3. S. Prereq: 214, M E 330. Solution of practical heat transfer problems involving conduction, convection, radiation and evaporation applied to biological and environmental systems.

A E 397. Engineering Internship. Cr. R. F.S. Prereq: Permission of department. One semester maximum per academic year professional work period.

A E 398. Cooperative Education. Cr. R. F.S.SS. Prereq: Permission of department chair; junior classification. Required of all cooperative students. Students must register for this course prior to commencing each work period.

A E 401. Senior Seminar. (1-0) Cr. R. F. Prereq: Senior classification. Preparation and presentation of papers on agricultural engineering subjects. Discussion of engineering ethics and professionalism. Career development.

A E 413. Practical Fluid Power Circuits. Same as M E 413. (0-3) Cr. 1. F. Prereq: Credit or enrollment in 447 or M E 414. Properties of fluids. Pump and motor efficiencies. Analysis and assembly of fluid power systems and experimental investigation of appropriate control systems. Application to hydrostatic transmissions. Open to graduate students for minor graduate credit only.

A E 422. Natural Resource Conservation Engineering. (2-3) Cr. 3. Prereq: 213, E M 378, or Ch E 356. Planning and design of systems to conserve and utilize natural resources in the agricultural environment. Small watershed hydrology, water movement and utilization in the soil-plant-atmosphere system, agricultural water management, best management practices for control of erosion, and agricultural water quality. Open to graduate students for minor graduate credit only.

A E 445. Agricultural Engineering Design I. (1-0) Cr. 1. F. Prereq: Engr 271, EM 324. Identification of current design problems in agricultural engineering. Development of alternate solutions using creativity and engineering analysis and synthesis techniques. Open to graduate students for minor graduate credit only.

A E 446. Agricultural Engineering Design II. (1-4) Cr. 3. S. Prereq: 303, 445. Selection of promising solutions to design problems identified in 445 for development by design teams. Presentation of designs through oral and written reports. Open to graduate students for minor graduate credit only.

A E 447. Power and Control Hydraulics. (2-0) Cr. 2. F. Prereq: Credit or enrollment in E M 378 or M E 335. Properties of hydraulic fluids. Performance parameters of fixed and variable displacement pumps and motors. Characteristics of control valves. Analysis and design of hydraulic systems for power and control functions. Field trip fee. Open to graduate students for minor graduate credit only.

A E 451. Food Engineering. This course is dual listed with 551. (2-3) Cr. 3. S. Prereq: 372 or Ch E 357. Physical and chemical properties of foods. Kinetics of chemical reactions in foods. Application of momentum, heat, and mass transfer in food processing. Analysis of selected unit operations used in food processing.

A E 466. Multidisciplinary Engineering Design. Same as Cpr 466, E E 466, Engr 466, E Sci 466, IE 466, ME466, MSE 466. (1-4) Cr. 3. F.S. Prereq: Student must be within two semesters of graduation and receive permission of the instructor. Application of team design concepts to projects of a multidisciplinary nature. Concurrent treatment of design, manufacturing and life cycle considerations. Application of design tools such as CAD, CAM, and FEM. Design methodologies, project scheduling, cost estimating, quality control, manufacturing processes. Development of a prototype and appropriate documentation in the form of written reports, oral presentation, and computer models and engineering drawings.

A E 469. Grain Processing and Handling. This course is dual listed with 569. (2-3) Cr. 3. S. Prereq: 214, 303. Grain and oilseed properties, quality measurement, processing, and end-use value. Simulation of drying. Grain handling systems. Field trip fee.

A E 478. Design of Agricultural Structures. (2-2) Cr. 3. S. Prereq: Engr 271, E M 324. Uniform Building Code and ANSI Standard. Analysis of wind, snow, dead and live loads. Pressures from granular materials. Design of light-framed agricultural structures using cold-formed steel. Flexural and compression members, connections, corrugated sheets. Applications in grain bins, agricultural buildings, and equipment. Finite element analysis. Open to graduate students for minor graduate credit only.

A E 490. Independent Study. Cr. 1 to 4.

B. Biosystems Engineering
F. Food Engineering
H. Honors
P. Power and Machinery
Q. Structures and Environment
R. Process Engineering
S. Water and Environment
U. Waste Management

A E 498. Cooperative Education. Cr. R. F.S.SS. Prereq: Permission of department chair; senior classification. Required of all cooperative students. Students must register for this course prior to commencing each work period.

A E 502. Simulation of Agricultural Systems. (3-0) Cr. 3. S. Prereq: Engr 160, Stat 401. Model development and computer simulation of processes and systems in agriculture. Model elements include soil, crop, animal, and machine parameters. GIS applications.

A E 503. Controls and Instrumentation for Agricultural Systems. (3-0) Cr. 3. Alt. S., offered 1997. Prereq: Math 267, E E 441. Linear response of control systems using Laplace transforms and numerical techniques. Use of LSAP, CSMP, ODEPACK, and SIMPLOTTER. Feedback controllers. Sensors. Use of operational amplifiers as controllers. Root-locus diagrams. Discrete-time systems and the microcomputer as a controller. Case studies from agricultural engineering.

A E 504. Instrumentation for Agricultural and Biosystems Engineering. (2-2) Cr. 3. F. Prereq: 363 or Cpr E 210 or E E 441. Interfacing techniques for computer-based data acquisition and control systems. Basic interfacing components and the conversion process required from analog to digital signals. Sensors and theory of operation for the environmental sciences.

A E 520. Agricultural Water Quality Engineering. (3-0) Cr. 3. Alt. S., offered 1996. Prereq: Chem 167 and C E 360 or Agron 577. Physical and chemical properties and processes that affect the transport and fate of chemicals that occur in crop and livestock production. Methods of measurement of chemical concentrations and loadings on the environment. Modeling of chemical movement and fate. Methods of control of nonpoint pollution in agriculture.

A E 522. Drainage and Irrigation Engineering. (2-3) Cr. 3. Alt. S., offered 1997. Prereq: 422 or C E 372, Agron 154 or C E 360. Soil-water-plant relationships; theory of infiltration and evapotranspiration; saturated and unsaturated flow through soils; movement of chemicals in the vadose zone. Design of surface and subsurface drainage systems; design of surface, sprinkler, trickle, and subsurface irrigation systems. Management of irrigation systems in developing countries.

A E 523. Erosion and Sediment Transport. (3-0) Cr. 3. Alt. F., offered 1995. Prereq: 422 and Math 266 or C E 472. Erosion processes. Initiation of motion and overland flow. Erosion models. Flow in alluvial channels and theory of transport. Surface soil and channel stability. Wind erosion.

A E 525. Geographic Information Systems. (2-3) Cr. 3. F. Prereq: A E 502 or CRP 451, Stat 606. Advanced topics in GIS, spatial and non-spatial data acquisition, spatial data structures and algorithms. GIS operations and applications. Decision making in a GIS context. Other GIS planning and implementation. GIS standard. Global environmental applications. GIS policy, ethical, and legal issues. Multimedia and expert GIS.

A E 551. Food Engineering. This course is dual listed with 451. (2-3) Cr. 3. S. Prereq: Ch E 357. Physical and chemical properties of foods. Kinetics of chemical reactions in foods. Application of momentum, heat, and mass transfer in food processing. Analysis of selected unit operations used in food processing. Individual and group projects required.

A E 569. Grain Processing and Handling. This course is dual listed with 469. (2-3) Cr. 3. S. Prereq: 214, 303. Grain and oilseed properties, quality measurement, processing, and end-use value. Simulation of drying. Grain handling systems. Individual and group projects required. Field trip fee.

A E 571. Timber Design for Agricultural Structures. (1-2) Cr. 2. Alt. S., offered 1996. Prereq: 478. Design of timber beams, columns, and fasteners. Plywood design. Analysis of timber structures by diaphragm action and matrix analysis. Post-frame building design. Design with composite materials.

A E 572. Design of Environmental Systems for Agricultural Structures. (2-2) Cr. 3. Alt. S., offered 1997. Prereq: 214, M E 330. Principles of animal environment. Insulation, ventilation, air distribution, heating and cooling equipment, and controls. Analysis of air quality. Research instrumentation.

A E 590. Special Topics. Cr. 1 to 3.

B. Biosystems Engineering
F. Food Engineering
P. Power and Machinery
Q. Structures and Environment
R. Process Engineering
S. Water and Environment
U. Waste Management

A E 598. Technical Paper for Master's Degree. Arr. Cr. 1. F.S.SS. A technical paper draft based on M.S. thesis or creative component is required of all master's students. This paper must be in a form that satisfies the requirements of some specific journal and be reviewed and assigned a journal paper number by the Agriculture and Home Economics.

A E 599. Creative Component. Cr. var.

A E 661. Seminar. (1-0) Cr. 1. F. Discussion of research problems, methods, procedures, and reports.

A E 690. Advanced Topics. Cr. var.

A E 698. Technical Paper for a Doctoral Degree. Arr. Cr. 1. F.S.SS. A technical paper draft based on dissertation is required of all Ph.D. students. This paper must be in a form that satisfies the requirements of some specific journal and be reviewed and assigned a journal paper number by the Agriculture and Home Economics Experiment Station editor. Offered on a satisfactory-fail basis only.

A E 699. Research.

B. Biosystems Engineering
F. Food Engineering
P. Power and Machinery
Q. Structures and Environment
R. Process Engineering
S. Water and Environment
U. Waste Management

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