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Research on Hogging Process of Crankshafts With Five Rod Journals Because of Fillets Stamping Scientia Research LibraryJournal of Engineering and Technology Research2348 - 04242024123 Professor Valery Emelyanov page no:1-5 1 The paper presents the results of experimental and computer research on hogging process of spatial crankshafts with five rod journals at hardening their fillets by stamping. We describe the computer program with which it is possible to produce a computer research on the influence of various factors such as crankshaft hogging value, to calculate an expected value and a direction of hogging, as well as to choose a combination of strengthened fillets rates where the total hogging value is the smallest. http://www.scientiaresearchlibrary.com/archive-abs.php?arc=902http://www.scientiaresearchlibrary.com/archive/Research on Hogging Process of Crankshafts With Five Rod Journals Because of Fillets Stamping.pdf

Comparative Analysis of IDW and Spline in Generation of Digital Elevation Models from Airborne LiDAR in Bare Lands Scientia Research LibraryJournal of Engineering and Technology Research2348 - 04242024123 Fahmy F. F. Asal page no:6-17 1 Light Detection and Ranging (LiDAR) is a recently established remote sensing technology, however its capabilities have not been fully exploited. Airborne Laser Scanning (LiDAR) is characterized by high density of point measurements that can be utilized in creation of digital elevation model (DEM) with levels centimetre accuracy. Since LiDAR measurements are always in discrete point data format, there is always a need for interpolation operations in order to create a continuous surface forming a DEM. As different interpolation techniques are expected to provide different quality DEMs it has been important to analyze the outcomes from those techniques. This research is focused towards evaluation of DEMs generated from raw airborne LiDAR measurements in bare lands using the Inverse Distance Weighting (IDW) and the spline interpolation approaches. A sample of raw LiDAR data for Gilmer county, USA has been exploited in the study. Digital elevation models have been generated from the data using IDW and spline approaches using a specialized spatial analysis system. A well designed group of qualitative and quantitative analysis tests have been exploited in the analysis of the generated DEMs. The analysis has shown that the spline approach has provided DEM of more corrugated surface, coarser tones and coarser texture compared to the DEM produced by the IDW algorithm. Also, IDW DEM possesses statistical quantities that are close to their correspondings of the raw LiDAR data while the spline DEM has statistical values with noticeable deviations from those of the raw LiDAR data. Additionally, spline DEM has provided corrugated contour lines in addition to numbers of tinny closed contour lines that could be spikes while the IDW has provided smoother contour lines with absence of any spikes. Finally, the slope map from IDW LiDAR DEM has shown fine tones, smooth texture and regular patterns referring to a terrain of gently varied slopes while the spline LiDAR DEM has interpreted coarser tone, coarser texture and disturbed patterns referring to corrugated slopes of the terrain. Key words:- DTM/DEM/DSM, IDW, Spline, LiDAR, Airborne Laser Scanning, Spatial analysis. http://www.scientiaresearchlibrary.com/archive-abs.php?arc=907http://www.scientiaresearchlibrary.com/archive/Comparative Analysis of IDW and Spline in Generation of Digital Elevation Models from Airborne LiDAR in Bare Lands.pdf