For the oxyacetylene welding process, assume that the energy of the gas (the combination of oxygen...
For the oxyacetylene welding process, assume that the energy of the gas (the combination of oxygen and acetylene) combustion will be 0.05 J/mm3 at its stored pressure. For welding two pieces of bronze with a butt joint design, how much gas is required if the efficiency of the process is 50%? Assume that the workpieces are tubes with 25 mm outside diameter and the cross-section of the weld is designed to be 5 mm2. The specific energy required to melt a unit volume of bronze is about 4.2 J/mm3.
(Textbook: Manufacturing and Engineering technology (seventh edition), Author: Serope Kalpakjin)
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For the oxyacetylene welding process, assume that the energy of
the gas (the combination of oxygen...
CODE 102_8 Welding Many welding processes require the application of heat and/or pressure to produce a...
CODE 102_8 Welding Many welding processes require the application of heat and/or pressure to produce a suitable bond between the two parts being joined. There are a number of conventional and commercially practiced welding processes, which possess limitations in relation to material type and thickness, and in addition, the cost analysis may not allow for a process to be used on a specific application. The selection of suitable welding consumable (electrode or wire) is also an important factor in producing...
Week 4 Process 1: Consider the process below: Water in Combustor Steam Generator Gas In Gas...
Week 4 Process 1: Consider the process below: Water in Combustor Steam Generator Gas In Gas Out Combustor exit Steam Out A methane (CH) and air mixture is burnt in the combustor then the heat is recovered to produce steam. The CHa/air mixture comes in at 25°C and contains 10 kg/h of CH4 and 500 kg/h of air (assume 79% Nitrogen (N2) and 21 % Oxygen (O2)). The final outlet gas leaves at 100 °C. The combustion reaction follows the...
CODE 102_8 Welding Many welding processes require the application of heat and/or pressure to produce a suitable bond between the two parts being joined. There are a number of conventional and commercially practiced welding processes, which possess limitations in relation to material type and thickness, and in addition, the cost analysis may not allow for a process to be used on a specific application. The selection of suitable welding consumable (electrode or wire) is also an important factor in producing...
Week 4 Process 1: Consider the process below: Water in Combustor Steam Generator Gas In Gas Out Combustor exit Steam Out A methane (CH) and air mixture is burnt in the combustor then the heat is recovered to produce steam. The CHa/air mixture comes in at 25°C and contains 10 kg/h of CH4 and 500 kg/h of air (assume 79% Nitrogen (N2) and 21 % Oxygen (O2)). The final outlet gas leaves at 100 °C. The combustion reaction follows the...
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