Forced Induction Emulation with Independent Intake and Exhaust Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing devices and methods for simulating forced induction systems in propulsion sources, such as engines and fuel cells, fail to emulate dynamic operating conditions, particularly transient states, and do not allow independent control of intake pressure relative to exhaust counterpressure.
Innovation Solution
A device comprising an inlet and outlet tube, a turbine set with variable geometry, electric compressors, cooling and heating means, and a heat regulation system to dynamically emulate pressure and temperature variations in propulsion sources, enabling independent control of intake and exhaust pressures and temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing simulation devices are used to test forced induction systems, then steady-state conditions can be simulated, but dynamic transient conditions cannot be emulated
Solution Approach 1:
The patent implements dynamic control of intake pressure and exhaust counterpressure independently, allowing the simulation of transient operating conditions. The system uses variable geometry turbines and controllable throttles to dynamically adjust pressure parameters during testing, enabling accurate emulation of real-world dynamic scenarios rather than static conditions only.
Solution Approach 2:
The patent divides the pressure control system into independent intake and exhaust sections, each with separate control mechanisms. This segmentation allows independent manipulation of intake pressure and exhaust counterpressure, enabling precise simulation of dynamic transient conditions where these parameters vary independently during operation.
2Ease of operation
If intake pressure and exhaust counterpressure are equalized as in existing devices, then atmospheric simulation is achieved, but independent control of intake pressure relative to exhaust counterpressure is lost
Solution Approach 1:
The patent segments the pressure control system into independent intake and exhaust pathways with separate control mechanisms. This allows the intake pressure to be independently adjusted from exhaust counterpressure, enabling simulation of forced induction dynamics where these parameters are not equalized during transient operation.
Solution Approach 2:
The system implements dynamic control mechanisms that allow independent adjustment of intake pressure and exhaust counterpressure during testing. Variable geometry turbines and controllable throttles enable the pressures to be manipulated independently to match real-world dynamic operating conditions rather than maintaining equalization.
3Ease of manufacture
If a single base cylinder is used to design multi-cylinder engines, then development costs are reduced, but accurate simulation of multi-cylinder forced induction dynamics becomes difficult
Solution Approach 1:
The patent provides dynamic simulation capabilities that can accurately predict multi-cylinder forced induction behavior from single-cylinder testing. By independently controlling intake pressure and exhaust counterpressure dynamics, the system can simulate the cumulative effects and interaction patterns that occur in multi-cylinder configurations, enabling accurate performance prediction without physical multi-cylinder prototypes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables dynamic emulation of forced induction systems under transient conditions, allowing for accurate simulation of propulsion source performance and emissions, facilitating the selection and sizing of optimal induction technologies.
Implementation Method 1
the turbine set is configured so that the turbine meets the counterpressure gradients of the outlet gases and recovers part of the energy available in said gases to compress the supply air by means of the compressor
Implementation Method 2
one or more electric compressors in the inlet tube, placed in series with the compressor of the turbine set, configured to compress the supply air and reproduce in a controlled manner pressure gradients of the supply air
Implementation Method 3
a cooling means arranged in series with the one or more electric compressors, configured to cool the supply air
Implementation Method 4
a heating means configured to heat the supply air
Implementation Method 5
a heat regulation means for the supply air, configured to regulate the mixture of at least one cold supply air flow proceeding from the cooling means and a hot supply air flow proceeding from the heating means, and to thereby regulate supply air temperature independently with respect to the pressure thereof
Data Source
AI summary
The present invention relates to a device for the dynamic emulation of forced induction systems of propulsion sources, which comprises an inlet tube (2), an outlet tube (4), a turbine set (12), one or more electric compressors (14), a cooling means (20), a heating means (24), and a heat regulation means. The present invention also relates to a method comprising one or more of the following actions: regulating supply air pressure by controlling the rotation regime of the one or more electric compressors (14); controlling the operating conditions of the one or more electric compressors (14), using a safety means; regulating supply air temperature, using the heat regulation means; regulating the counterpressure of the outlet gases of the propulsion source (10), by modifying the geometry of the turbine of the turbine set (12).