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spiral heat exchanger

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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001368
EISBN: 978-1-62708-173-3
... diameter of a tube to form a cooling fin. The fin can be welded around the tube in a spiral configuration ( Fig. 2 ) or it can be straight and parallel to the pipe axis. The greatest volume of heat exchanger tube is made with low-carbon steel for both the tube and fins. However, other alloy combinations...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005583
EISBN: 978-1-62708-174-0
... and pipe. High-frequency welding is useful in the manufacture of certain types of heat-exchanger tube, where the edge of a rectangular strip is continuously welded onto the outside diameter of a tube to form a cooling fin. The fin can be welded around the tube in a spiral configuration ( Fig. 7...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001020
EISBN: 978-1-62708-161-0
...-carbon or carbon-molybdenum steel still tubes for refinery service A 178 (a) Resistance-welded carbon and carbon-manganese steel boiler tubes A 179 (a) Seamless cold-drawn low carbon steel heat-exchanger or condenser tubes A 192 (a) Seamless carbon steel boiler tubes for high-pressure...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003696
EISBN: 978-1-62708-182-5
... , Proceedings of the International Congress on Metallic Corrosion , Vol 1 , National Research Council of Canada, 1984 , p 307 – 308 21. Xu T. and Li J. , Anodic Protection of Heat Exchangers for Acidolysis in the Production of Titanium Dioxide , Chem. Eng. Mach. , Vol 23 ( No. 2...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005850
EISBN: 978-1-62708-167-2
... to make sure it actually is functioning and opens and closes on demand. Every other year, remove the heat exchangers for both the quench and the power supply water cooling systems, and use a bucket of dehumidifier cleaner and a blue giant pump (as found in outdoor fountains) to move the fluid through...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003169
EISBN: 978-1-62708-199-3
... and blowing hot air from the bottom, causing a counter current flow of solid and gas where heat is exchanged. Air oxidizes carbon in the coke to carbon monoxide, which reduces the oxides of iron through various oxidation states. The reduced iron melts in the hearth and, as the heavier liquid, rests under...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
... and finishing for purposes such as preparation for joining, heat treatment, plating, forming, and producing final surface finishes. Special surface preparation and cleaning generally are not required for corrosion resistance because the naturally formed surface oxide protects the metal regardless of surface...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
..., pieces Overall Arbor hole mm in. mm in. m/s sfm No. of guns g per shot oz per shot 1 Side 1, 2 Sisal 10 mm ( 3 8 in.) spiral sewed 410 16 40 1 1 4 2 37 7350 72,000 1 0.5 0.02 2 Side 3 Bias 16-ply, 20-spoke sewed 430 17 45 1 3 4...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003983
EISBN: 978-1-62708-185-6
.... The coolant is pumped through the machine and exits at the lower front, from which it flows by gravity through a heat exchanger before return to the supply tank. This tank is equipped with a filter through which the coolant passes before reentering the machine. In addition to cooling, the flushing system...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004164
EISBN: 978-1-62708-184-9
... Glycols Buffers Inhibitors Heat Exchanger Coolant Fan Coolant Pump Fan Belt Thermostat Pressure Cap Radiator Hoses Uniform corrosion of a cast iron block in an acidic, used coolant environment is an example. Uniform corrosion is preferred from a technical viewpoint because...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005794
EISBN: 978-1-62708-165-8
... hot-work steel die casting tool. T/C, thermocouple. Source Ref 3 Abstract Abstract The fluidized bed provides a means for exchanging heat between a metal part, the solid particles, and the fluidizing gas and which is viable for quenching. This article briefly considers the design aspects...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005955
EISBN: 978-1-62708-166-5
...Typical vacuum heat-treating and joining processes Table 6 Typical vacuum heat-treating and joining processes Material Process Operating temperature, °C (°F) Approximate pressure range, torr [a] Aluminum alloys Brazing 595–650 (1100–1205) 10 −5 to 10 −6 Beryllium...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
... in Ringer's solution) 550 (80) 400 (58) Young's modulus, GPa (psi × 10 6 ) 380 (55.2) … Fracture toughness, MPa m (ksi in. ) 5–6 (4.5–5.5) … Selected ceramics used for heat exchanger applications Table 14 Selected ceramics used for heat exchanger applications...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005196
EISBN: 978-1-62708-187-0
... a dc leg; it is therefore important to have clean, demineralized water circulating, typically with conductivity set at 50 μS (50 μmho) in order to prevent electrolysis from taking place. The heat exchanger to be used depends entirely on local circumstances such as climate, availability of raw water...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002160
EISBN: 978-1-62708-188-7
... of the electrolyte as it flows through the gap between the tool and the workpiece. The electrolyte system includes pumps, filters, tanks, and a heat exchanger. A single-axis machine is the most common configuration, although five-axis machines are in use. The simpler machines have manual voltage and feed rate...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003701
EISBN: 978-1-62708-182-5
... temperatures, hot-process softening can reduce the solubility of precipitated materials even further. However, hot processes require the input of heat that speeds up rates of reactions compared to cold lime processes that operate at ambient temperature. Ion Exchange Ion exchange is another process...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
... with no corrosion product visible. (c) Erosion on the outside diameter of austenitic stainless steel heat-exchanger tube. (d) Section through same tube shown in (c). (e) Section through same tube shown in (c) and etched with electrolytic oxalic acid Stress-Corrosion Cracking Three factors must be present...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001264
EISBN: 978-1-62708-170-2
... psi) 120 (17) 200 (29) As-deposited hardness, HV 100 700 500 Heat-treated hardness, 400 °C (750 °F) for 1 h, HV 100 1200 1100 Coefficient of friction vs steel, lubricated 0.12 0.13 Wear resistance, as-deposited, Taber mg/1000 cycles 9 18 Wear resistance, heat treated 400 °C...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001772
EISBN: 978-1-62708-178-8
... of emergence of the defect. If the vector lies parallel to the surface, the dislocation will be virtually invisible. If the vector has a component normal to the surface, a spiral will be produced in the image ( Fig. 11 ). Perfect dislocations produce smooth spirals, but the stacking-fault region between...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006679
EISBN: 978-1-62708-213-6
..., and the solution was heated to approximately 70 °C (160 °F). Using a weighed net cathode and a platinum spiral anode, electrolysis was conducted at 70 to 80 °C (160 to 175 °F) with a current of approximately 2 A. Analysis required approximately 90 min. Dimethylglyoxime was added to a drop of the solution...