5 results about "Thermo elastic" patented technology

The application provides an elastic multilayer structure composite fabric and a preparation method thereof. The composite fabric comprises a multifunctional integrated layer, an elastic support layer and a close-to-body cool layer which are sequentially and compositely connected. The close-to-body cool layer is the skin-contacting side. The multifunctional integrated layer comprises a heat storage and energy storage layer and a multifunctional composite layer. The multifunctional composite layer is bonded to the surface of the heat storage and energy storage layer. The scheme adopts a multilayer structure fabric composite mode, so that the fabric has the functions of cool feeling, antibiosis, ultraviolet resistance, heat storage, elasticity, moisture absorption and air permeation, waterproof and self-cleaning, and the composite performance is stable.

The invention relates to a thermoelastic energy converter system (10) comprising at least one thermoelastic energy converter (11) with at least one thermoelastic element (12) and with at least two fluidically permeable chambers (14) separated from each other by a respective floor (13) and directly adjacent to each other, in which the at least one thermoelastic element (12) is at least partially arranged and at least partially enclosed by its respective chamber wall (15), wherein each chamber wall (15) has at least two fluidically permeable openings (21).The invention provides that at least one opening (16) of each chamber is connected to at least one opening (16) of a chamber (14) directly adjacent to this chamber (14) via a fluidic connection (17) arranged outside the chambers (14), wherein the at least one thermoelastic element (12) is arranged to penetrate the floor (13) and is fluidically enclosed by it. Furthermore, the invention relates to a thermoelastic energy converter (11) for such an energy converter system (10).

A kind of method for measuring the heat of rod by S type tension and compression force sensor, prepare a fixed support (1), the left end of fixed support (1) is fixed with left baffle (2), the middle part of left baffle (2) is fixedly connected with the left end of S type tension and compression force sensor (3), S type tension and compression force sensor (3) is arranged along the left-right horizontal direction, clamp (4) is installed on fixed support (1) and located at the left side of S type tension and compression force sensor (3), clamp (4) can clamp and fix a thermal elastic rod (5) along the left-right horizontal direction, thermal elastic rod (5) is cylindrical rod;Prepare the thermal elastic rod (5) that needs to measure the heat value, record the length, diameter, the kind of material of the thermal elastic rod (5).Its purpose is to provide a kind of method for measuring the heat of rod by S type tension and compression force sensor, which can deepen the understanding of thermal motion, deepen the understanding of thermal force work, and then improve the utilization efficiency of various heat engines to external work.

The present invention discloses an analysis method and system for the thermoelastic instability characteristics of friction pairs of heavy vehicle automatic transmissions, which are applied to the technical field of automatic transmissions. The method includes the following steps: Based on the theory of thermoelasticity, considering the thickness of the center plate and friction material constituting the friction plate as well as the thickness of the mating steel plate, a structural thermoelastic coupling model is established; the boundary conditions of heat flux density, temperature field and stress field during the sliding friction process of the friction pair are set; based on the symmetric and anti-symmetric thermoelastic deformation modes, system matrices under four modes are constructed; the critical speeds corresponding to each mode are solved, and the main mode of the system is determined by comparison; the influence of the structural parameters and material properties of the friction pair on thermoelastic stability is analyzed. The present invention comprehensively considers the thickness of multi-layer material friction plates and various thermoelastic deformation modes, and for the friction pairs of heavy vehicle automatic transmissions, a thermoelastic instability system matrix under four deformation modes is established to determine the main mode and critical conditions of the system.