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 20 of 22 for “"Mathcad"”.
-
Burmester curve and numerical motion generation of Grashof mechanisms with perimeter and transmission angle optimization in MathCAD
… pivot curve-based method have been codified in MathCAD to support advanced analysis capabilities. The examples in this work demonstrate the synthesis of optimum Grashof crank-rocker, drag link, double-rocker and triple-rocker motion generators.
-
MathCAD model for the estimation of cost and main characteristics of air-cushion vehicles in the preliminary design stage
… this future trend in marine transportation, a MathCAD model for the estimation of the main characteristics of Air Cushion Vehicles in the preliminary design stage is being developed. This model is based on a statistical analysis of the various parameters of existing crafts. For this reason, a …
-
Protichybové systémy využívající blokové kódy
… funkčnosti protichybového systému v prostředí MathCad.
-
A methodology for implementing a water balance of ESKOM power stations using the online condition monitoring software EtaPRO
… Excel calculations were to be conducted using Mathcad. The access to real time data, performance monitoring capabilities and availability at all Eskom Power plants, led to the selection of EtaPRO as the modelling platform. The research conducted led to the development of a methodology for …
-
Two-Phase Boost Converter
… Calculations found in this paper were done on Mathcad and the simulations were done on LTSpice and Pspice. These include converter’s efficiency and other measures of converter’s performance. Advantages, disadvantages as well as possible improvements of the proposed topology will be presented. …
-
Unsteady blood flow in the stenosed artery subjected to magnetic field and injected nanoparticles
… only the perturbation method was used. The MATHCAD software was adopted to find the numerical figures of the analytical solutions. The presence of magnetic field tended to decelerate the blood flow in the stenosed artery due to strong resistance. However, the blood velocity increased with …
-
Mathematical modeling of adhesive layer cracks utilizing integral equations
… are recovered. Several numerical packages, Mathcad 5.0+ and Mathematica 2.2.1, were used to study the computational aspects of the problem. The focus of the research was to develop efficient modular software packages to be run on a standard PC system. Several numerical techniques were …
-
Design And Fabrication Of A Full-featured Labscale Hybrid Rocket Engine
… package was coded in Visual Basic (VB). A MathCAD regression rate computer model was designed and written to geometrically constrain the engine design. Further, the computer model allowed for the "what-if" situations to be evaluated. Using ProPep, solutions to the Equilibrium Thermodynamics …
-
Numerical Modeling of Blast-Induced Liquefaction
… computed and monitored using custom developed MathCad and C/C++ routines. Results of the study were compared against blast-test data gathered at the Fraser River Delta region of Vancouver, British Columbia in May of 2005 to validate and verify the modeling procedure's ability to simulate and …
-
Solar Augmentation of Process Steam Boilers for Cogeneration
… which require process steam were analysed and a MathCAD model was created to design the heat exchanger and check turbine output using the equations adapted from various thermodynamics and power plant engineering texts, together with the Standards for the Tubular Exchanger Manufacturer's …
-
SOLAR MIRRORS CHARACTERIZATION FOR CONCENTRATING SOLAR POWER TECHNOLOGY
… tools: - An engineering equation solver (Mathcad) to dynamically evaluate the behavior; - A ray tracing software (Soltrace) to evaluate the system¡¦s optical efficiency. The analysis indicates that the candidate reflectors can be accurately characterized with five fundamental parameters: …
-
A Generalized Two-Dimensional Model to Reconstruct the Impact Phase in Automobile Collisions
… Each method will be presented in the form of a MathCAD spread sheet that will allow the user to reconstruct a wide variety of accidents controlling just a few parameters (i.e. mass, rotational inertia, angle of approach, etc...). Both methods will provide step by step graphical representation to …
-
Design of a water PVT system integrated into prefabricate concrete
… mediante l'ausilio di un modello matematico in Mathcad, è stato possibile conoscere la temperatura dell' assorbitore, che risulta troppo alta. Essa è dovuta ad una serie di imperfezioni costruttive, e principalmente al cattivi contatto tra la superficie dell' assorbitore e del canale. A tale …
-
A Design Study of Single-Rotor Turbomachinery Cycles
… compressible flow equations. A MathCAD program developed for the analysis obtained best design points for various cases with the help of an optimizer called Model Center. These results were then compared to current machine specifications (gas turbine engine, gasoline and diesel …
-
Recommendations for Longitudinal Post-Tensioning in Full-Depth Precast Concrete Bridge Deck Panels
… and shrinkage in concrete. Results from the Mathcad models used in the parametric studies were confirmed through comparison with results obtained from finite element models generated in DIANA. Initial levels of post-tensioning for various bridge systems are proposed based on the trends …
-
157nm F₂laser characterization and application to polymer ablation
… and analyzing bmp images for analysis in MathCAD. Measurements made in this way permit divergence to be found for the direct and the weakly focussed (asymmetric) laser output beam. Spatial coherence derived in this way is shown to be in reasonable agreement with that based on the cone …
-
Brain volumetric MRI study of extremely low gestational age newborns (ELGANs) at 9 to 10 years of age
… with quantitative MRI algorithms programmed in Mathcad. The brain gray matter (GM), white matter (WM) and cerebrospinal fluid (CSF) volumes were quantified using semi-automated clustering segmentation algorithms. RESULTS: Total brain volumes (GM+WM) of ELGAN children showed a large distribution …
-
Development of a dynamic modelling of biomass boilers using flownex
… using simplified analytical methods in Mathcad followed by detailed numerical implementations in Flownex. They are then verified against available maximum continuous rating (MCR) data before being integrated into a whole-boiler flow network. Limitations in availability of site data and …
-
Magnetic properties measurement of new magnetic material : SOMALOY 700 (5P)
… of the measurement are analysed by using the Mathcad software before being compared to other materials. The performances of this material at wide range of frequency are exhibited by plotting the loss curves in the same graph. The finding indicates that the magnetisation at 1000 Hz contributes …
-
The Off-Design Modelling of a Combined-Cycle Power Plant
… Initially, an analytical model was developed in Mathcad (software used for engineering calculations). This software provides a tool for understanding knowns, unknowns and what is being calculated in the system. Manual calculations of the Heat Recovery Steam Generator (HRSG) were done using heat …
Page 1 of 2