Tag Archives: STP

Figure 59: HX Prototype 10-E2: (Top) Tube bundle; (Middle) Header after casting; (Bottom) Cut header with tube ends showing.

Design and Manufacturing of High Performance, Reduced Charge Heat Exchangers

This article introduces the paper “Design and Manufacturing of High Performance, Reduced Charge Heat Exchangers”. 1. Overview: 2. Background: Heating, ventilation, air-conditioning, and refrigeration (HVAC&R) systems consume a significant portion of residential and commercial building energy. Reducing refrigerant charge to mitigate greenhouse gas emissions is a crucial objective. Traditional heat exchangers (HXs) using round tubes

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Fig. 3. Temperature capability of various material classes (courtesy NASA Lewis).

Advanced Metals for Aerospace and Automotive Use

This article introduces the paper “Advanced Metals for Aerospace and Automotive Use”. Abstract Core Objective of the Research: To develop materials with enhanced characteristics compared to existing state-of-the-art materials for improved performance in aerospace systems and automobiles. For automobiles, this improvement is particularly crucial for powertrain applications rather than body structures. Main Methodologies: The research focuses on

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Figure 9- Left: Schematics of a conventional HPDC cold chamber machine [14]; Right: Typical layout of a component produced by a cold chamber machine [15].

High Pressure Die Casting of Zamak Alloys

Steven Richard Pires de OliveiraDissertação de MestradoOrientador na FEUP: Prof. Doutor Rui Jorge de Lemos NetoOrientador no INEGI: Doutora Inês Vieira de Oliveira Abstract The high pressure die casting process has undergone major advances in recent years, due to its increasing use in the automotive sector. Although aluminum alloys are the most widely used, the

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Figure 5 - Photographs of Sectioned End Rings from Copper Rotors Typical of Baseline Casting Conditions.

Porosity Control in Copper Rotor Die Castings

Porosity Control in Copper Rotor Die CastingsE. F. Brush, Jr., S. P. Midson, W. G. Walkington, D. T. Peters and J. G. Cowie Abstract This paper reports on the results of an investigation to minimize and control the distributionof porosity in edge-gated copper rotor die castings. A Flow 3-D computer modelingexercise was used to simulate

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