Showing posts with label Aerodynamics. Show all posts
Showing posts with label Aerodynamics. Show all posts

Tuesday, 10 October 2023

Aerodynamic Drag Reduction in a Passenger Vehicle Using Vortex Generator with Varying Yaw Angles: Detailed Study | Chapter 8 | Emerging Trends in Engineering Research and Technology Vol. 1

 Large money are aimed at minimizing capacity needed for force i.e., new downsized engines accompanying new aerodynamic devices for drag decline. For passenger cabs the aerodynamic drag force is the dominating opposition force at higher velocity. The car body is frequently optimized for reducing the drag fighting. Vortex generators belong to the type of boundary tier manipulators. Their function is to revitalize an adverse pressure gradient edge layer that is to say about to separate by transporting high push fluid from the outer part of the confine layer just before the low momentum district closer to the wall. In this exploratory investigation, the alternative of pressure coefficient, dynamic pressure, cooperative of lift and drag with and without whirlpool generators (VG) on the house of a utility vehicle have happened studied at varying swerve angles of VG. The yaw angles secondhand are 10°, 15° and 20°. To measure the effect of altering the vehicle frame, wind tunnel tests have been acted with 1:15 scaled model of the serviceableness vehicle with velocities of 2.42, 3.7, 5.42 and 7.14m/s. The experiments granted that a great improvement of the sleek drag force reduction maybe achieved with whirlpool generator.

Author(s) Details:

P. Gopal,
Department of Automobile Engineering, Anna University BIT Campus, Tiruchirappalli, Tamil Nadu, India.

T. Senthilkumar,
Department of Automobile Engineering, Anna University BIT Campus, Tiruchirappalli, Tamil Nadu, India.

Please see the link here: http://bp.bookpi.org/index.php/bpi/catalog/book/147

Wednesday, 15 September 2021

Solution of Modern Thermo Physical Problems of Applied External and Internal Aerodynamics with Dark Matter-Energy Simulation: Scientific Explanation | Chapter 12 | New Approaches in Engineering Research Vol. 11

 The use of radial bearings with segments on a self-generated hydrostatic suspension has been substantiated in order to satisfy the requirements for precision positioning of axes and efficiency of stabilisation of shaft oscillations of power-consuming rotary machines. The methods of turbomachine dynamical analysis based on the modelling of the quasistationary processes in lubricating films that balance the harmonic loads on the rotor by redistributing the lubricant flow parameters in the bearing with integrated liquid dampers have been further developed. The complex approach for improving functional properties of turbomachine bearings on the basis of multicriteria optimization of hydraulic tracts parameters and lubrication system operating modes is presented.


Author (S) Details

Mikhail Ja. Ivanov
Department of Gas Turbines, Central Institute of Aviation Motors, Moscow 111116, Russia.


View Book :- https://stm.bookpi.org/NAER-V11/article/view/3572