Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 19 of 19 for “"Laboratory Apparatus"”.
-
The relative attraction of certain commercially available electric lamps for hornworm moths
In this investigation a laboratory apparatus was designed and constructed suitable for testing various commercially avai1able electric lamps as attractors moths for moths of both tobacco hornworm (Protonaree sexta (Johan.)) and tomato hornworm (Protoparce quinquemaculata (Haw.)) species.
-
Stress concentration around dowel bars in jointed rigid concrete pavements
… the magnitude of stresses around dowel bars. A laboratory apparatus was designed for testing the performance of dowel joints. (Abstract shortened by UMI.).
-
High temperature erosive wear of a boiler tube steel
… out in a specially designed and developed unique laboratory apparatus capable of simulating the conditions of temperature, particle velocity and flux as found in the economiser region of pulverised fuel boiler combustors in electricity generation power plants. The work has encompassed the effects …
-
Nanoparticle Transport Through Fractures And Heterogeneous Porous Media
… We carry out this kind of experiment in laboratory apparatus with different geometry (Hele-Shaw fracture cell, Rectangular and Cylindrical Beadpack columns). The Interpretation required models that take into account the flow in the halo as well as the core and, which also include …
-
The repetitive impact wear of steels for hydro-powered mining machinery
… rockbreaker) under simulated conditions. A laboratory apparatus, capable of producing impacts varying in energy from 2 - 5 J and varying in frequency from 5 - 50 Hz in an aqueous environment (distilled water), was designed and built for this purpose. Impact tests were conducted in order to: …
-
A Study of Mass Transfer from Large Oscillating Drops:2 Volumes
A laboratory apparatus containing many novel features has been constructed for the study of the mass transfer rate from single oscillating drops ascending through water, where the overall transfer rate is controlled by diffusional resistance of solute in both phases. The transfer rate of acetone …
-
Development of ice-bonded ballast in sub-freezing temperatures and its effect on maintenance operations during a winter rail break
… on shear strength, f0, and rail gap size using laboratory experimental data and Illi3D, a field-validated finite element model (FEM). The laboratory data were transformed into f0 using a novel method developed in this study and then incorporated into Illi3D to simulate single rail breaks and …
-
Applications of Gaussian Processes at Extreme Lengthscales: From Molecules to Black Holes
… occlusions and limited telescope time while laboratory experiments in synthetic chemistry and materials science are both time and cost-intensive. On the other hand, knowledge about the data-generation mechanism is often available in the experimental sciences, such as the measurement error of …
-
Measurement and control of particulate emissions from cattle feedlots in Kansas
… sampler and smallest with the LV PM10 sampler. A laboratory apparatus was developed for measuring the PM10 emission potential of pen surfaces as affected by surface treatments. The apparatus was equipped with a simulated pen surface, mock cattle hooves that moved horizontally across the pen …
-
Forward modelling and inversion of streaming potential for the interpretation of hydraulic conditions from self-potential data
… conductivity and electrical resistivity. A new laboratory apparatus is developed to measure the streaming potential coupling coefficient and resistivity in unconsolidated soil samples. Measuring both of these parameters on the same sample under the same conditions enables us to properly …
-
RESISTANCE OF BULK CANOLA OILSEED TO AIRFLOW
… on the airflow resistance was determined using a laboratory apparatus. A mathematical model incorporating the effect of distributed foreign material and the effect of various parameters on airflow resistance was developed for predicting pressure patterns in a bulk having an axisymmetric …
-
Scale-up of oscillatory flow mixing
… and reciprocating plate columns, but at the laboratory scale has demonstrated a number of advantageous properties. These properties (such as control of residence time distribution, improved heat transfer and predictable mixing times) have been demonstrated at the laboratory scale for a wide …
-
Track behaviour: the importance of the sleeper to ballast interface
… used literature review, field measurements, and laboratory<br/>experiments on a single sleeper bay of track. Theoretical calculations are also presented.<br/><br/>Field measurements are carried out using geophones to record time/deflection for sleepers<br/>during passage of Pendolino trains on …
-
Chemical treatment of bread corn during milling process to eliminate insect contamination
… in very rapid fumigation of the infested corn. Laboratory apparatus based on the operation of the solvent-vapor degreaser for metal parts was constructed. In the resulting tests, it was found that with infested corn suspended in the vapor of boiling carbon tetrachloride or trichloroethylene the …
-
Development of an Internal Camera-Based Volume Determination System for Triaxial Testing
… use of photographic monitoring techniques for laboratory-based measurement of these parameters have become common. A novel technique that utilized camera instrumentation located within the triaxial testing cell was developed and validated. By placing the instrumentation inside of the cell, …
-
Experiential learning in control systems laboratories and engineering project management
… the experiential learning modes in STEM courses. Laboratory kits allow students to take home laboratory equipment to complete experiments on their own time. Although students like laboratory kits, no previous studies compared student learning outcomes on assignments using laboratory kits with …
-
Hydrodynamics, dissolution, and mass transfer effects in different dissolution testing apparatuses and laboratory systems
Dissolution testing apparatuses and shaker flasks agitated by shaker tables are laboratory systems routinely found in many laboratories at most companies and agencies, and especially in pharmaceutical companies. These devices are commonly used in a number of applications, from drug development to …
-
Návrh laboratorní aparatury pro studium objemové filtrace
Tato diplomová práce se zabývá návrhem laboratorní jednotky rychlofiltrace. Pro návrh jednotky byly vybrány základní návrhové parametry, které byly otestovány v provozu pilotní jednotky. Na základě pilotního pokusu byly vypočítány ostatní návrhové parametry. U zhotovené laboratorní jednotky byla …