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  • Evaporation and Water Usage - Cooling Towers and Cooling ...

    Both open and closed circuit cooling towers use latent heat ... Figure 1 Cooling tower evaporation estimate based on 1000 gpm with 95°F entering water temperature, 85°F leaving water temperature and 82°F wet-bulb ... purposes only and 0.2% drift rate is much higher than present drift eliminator technology. Case 1: 20,000 gpm, 105°F entering ...

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  • COOLING TOWERS - University of Alabama

    cooling towers, but do affect the rate of water evaporation in the cooling tower. A psychromehic analysis of the air passing through a cooling tower illustrates this effect (Figure 2). Air enters at the ambient condition Point A, absorbs heat and mass (moisture) from the water. and exits at Point B in a saturated condition (at verv light d '

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  • Cooling Towers: Evaporation Loss and Makeup Water

    2017-4-1 · As air rises inside the tower, it receives the latent heat of vaporization from the water, and thus the water is cooled. As a rule of thumb, for every 10°F (5.5°C) of water cooling, 1% total mass of water is lost due to evaporation. The humidity level of the up-flowing air stream increases, and once it leaves the tower …

    Get Price
  • Cooling Tower Calculations - Cooling Water Treatment

    Evaporation Loss Calculation. Evaporation Loss (m3/hr) = 0.00153 * Recirculation Rate (m3/hr) * Delta T. #9. Windage or Drift Loss: It is very difficult to ignore the drift problem in a cooling tower. Drift or windage loss of cooling tower is normally provided by its manufacturer based on cooling tower design.

    Get Price
  • Performance Analyses of Counter-Flow Closed Wet Cooling ...

    Keywords: closed wet cooling tower; counter-flow; Levenberg–Marquardt method; cooling capacity; cooling tower effectiveness 1. Introduction As one of the commonly used units in cooling water systems, the closed wet cooling tower (CWCT) is essentially combining a closed-circuit heat exchanger (usually tubular serpentine coil bundles) and a ...

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  • Enhancement of cooling capacity in a hybrid closed circuit ...

    Performance characteristics of the Hybrid Closed Circuit Cooling Tower (HCCCT) have been tested experimentally. Bare-type copper tubes and fin tubes were used in staggered arrangement at the heat exchanger of the HCCCT and the cooling capacity and pressure drop have been studied from various perspectives.

    Get Price
  • Cooling Tower

    The term 'cooling tower' is used to describe both direct (open circuit) and indirect (closed circuit) heat rejection equipment. Cooling towers …

    Get Price
  • Solar sorption cooling systems for residential ...

    2.1.. Heat source needed related to solar heating/hot waterSince the silica gel–water adsorption chiller can be driven by low-grade heat source with a temperature lower than 90 °C, it is attractive to be used in a solar cooling system.For a solar cooling system, which adopts silica gel–water adsorption chiller, the most commonly used solar collectors are flat plate collector and evacuated ...

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  • EVAPCO Home Page

    EVAPCO Inc. is an employee owned manufacturing company with global resources and solutions for worldwide heat transfer applications. EVAPCO is dedicated to designing and manufacturing the highest quality products for the evaporative cooling …

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  • Ammonia for power - ScienceDirect

    Ammonia has recently started to receive attention internationally as a consequence of the primary benefits outlined in the previous section. For example, Japan has been looking for renewable alternatives for their energy consumption requirements over the last few decades, due to lack of natural energy resource.

    Get Price
  • Evaporation and Water Usage - Cooling Towers and Cooling ...

    Both open and closed circuit cooling towers use latent heat ... Figure 1 Cooling tower evaporation estimate based on 1000 gpm with 95°F entering water temperature, 85°F leaving water temperature and 82°F wet-bulb ... purposes only and 0.2% drift rate is much higher than present drift eliminator technology. Case 1: 20,000 gpm, 105°F entering ...

    Get Price
  • COOLING TOWERS - University of Alabama

    cooling towers, but do affect the rate of water evaporation in the cooling tower. A psychromehic analysis of the air passing through a cooling tower illustrates this effect (Figure 2). Air enters at the ambient condition Point A, absorbs heat and mass (moisture) from the water. and exits at Point B in a saturated condition (at verv light d '

    Get Price
  • Cooling Towers: Evaporation Loss and Makeup Water

    As air rises inside the tower, it receives the latent heat of vaporization from the water, and thus the water is cooled. As a rule of thumb, for every 10°F (5.5°C) of water cooling, 1% total mass of water is lost due to evaporation. The humidity level of the up-flowing air stream increases, and once it leaves the tower the air stream is ...

    Get Price
  • Cooling Tower Calculations - Cooling Water Treatment

    Evaporation Loss Calculation. Evaporation Loss (m3/hr) = 0.00153 * Recirculation Rate (m3/hr) * Delta T. #9. Windage or Drift Loss: It is very difficult to ignore the drift problem in a cooling tower. Drift or windage loss of cooling tower is normally provided by its manufacturer based on cooling tower design.

    Get Price
  • Performance Analyses of Counter-Flow Closed Wet Cooling ...

    Keywords: closed wet cooling tower; counter-flow; Levenberg–Marquardt method; cooling capacity; cooling tower effectiveness 1. Introduction As one of the commonly used units in cooling water systems, the closed wet cooling tower (CWCT) is essentially combining a closed-circuit heat exchanger (usually tubular serpentine coil bundles) and a ...

    Get Price
  • Enhancement of cooling capacity in a hybrid closed circuit ...

    Performance characteristics of the Hybrid Closed Circuit Cooling Tower (HCCCT) have been tested experimentally. Bare-type copper tubes and fin tubes were used in staggered arrangement at the heat exchanger of the HCCCT and the cooling capacity and pressure drop have been studied from various perspectives.

    Get Price
  • Cooling Tower

    The term 'cooling tower' is used to describe both direct (open circuit) and indirect (closed circuit) heat rejection equipment. Cooling towers are heat-transfer units, used to remove heat from any water-cooled system. The cooled water is then re-circulated (and thus, recycled) back into the system. Since the process water is re-circulated, the mineral concentration increases as a result of the ...

    Get Price
  • Solar sorption cooling systems for residential ...

    2.1.. Heat source needed related to solar heating/hot waterSince the silica gel–water adsorption chiller can be driven by low-grade heat source with a temperature lower than 90 °C, it is attractive to be used in a solar cooling system.For a solar cooling system, which adopts silica gel–water adsorption chiller, the most commonly used solar collectors are flat plate collector and evacuated ...

    Get Price
  • EVAPCO Home Page

    EVAPCO Inc. is an employee owned manufacturing company with global resources and solutions for worldwide heat transfer applications. EVAPCO is dedicated to designing and manufacturing the highest quality products for the evaporative cooling and industrial refrigeration markets around the globe. Evapco supports its worldwide customers with manufacturing facilities and sales offices ...

    Get Price
  • Ammonia for power - ScienceDirect

    Ammonia has recently started to receive attention internationally as a consequence of the primary benefits outlined in the previous section. For example, Japan has been looking for renewable alternatives for their energy consumption requirements over the last few decades, due to lack of natural energy resource.

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    1 University of Illinois at Urbana-Champaign, 306 N. Wright Street, Urbana, IL 61801, United States of America . 2 Kalsi Green Power Systems, 46 Renfield Dr, Princeton, NJ 08540, United States of America . 3 Siemens Corporate Technology, Guenther-Scharowsky-Str. 1, D-91058 Erlangen, Germany . 4 TECO-Westinghouse Motor Company, Round Rock, TX 78681, United States of America

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  • 'Super-H Mode' shows growing promise at DIII-D

    The JT-60SA tokamak—a joint program of fusion research and development agreed and co-financed by the European Atomic Energy Community (Euratom) and the government of Japan—entered its integrated commissioning phase in late 2020, after a six-year project to modify and modernize the existing JT-60U tokamak at the Naka Fusion Institute in Japan.

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    1. Chegg survey fielded between April 23-April 25, 2021 among customers who used Chegg Study and Chegg Study Pack in Q1 2020 and Q2 2021. Respondent base (n=745) among approximately 144,000 invites.

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  • Experience on solar heating and cooling in China

    The cooling capacity and COP under low and high ambient temperature are 5.3 kW/0.72 and 4.6 kW/0.65, respectively. When the hot water temperature is raised from 80 °C to 90 °C, the thermal COP ...

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    Amazon.com Books has the world’s largest selection of new and used titles to suit any reader's tastes. Find best-selling books, new releases, and classics in every category, from Harper Lee's To Kill a Mockingbird to the latest by Stephen King or the next installment in the Diary of a Wimpy Kid children’s book series. Whatever you are looking for: popular fiction, cookbooks, mystery ...

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    At CarParts.com, we're confident that you'll be able to find the right part or accessory for your car, truck or SUV. But if for some …

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    LibriVox About. LibriVox is a hope, an experiment, and a question: can the net harness a bunch of volunteers to help bring books in the public domain to life through podcasting?

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    Let Overstock.com help you discover designer brands & home goods at the lowest prices online. With free shipping on EVERYTHING*. See for yourself why shoppers love our selection & award-winning customer service.

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  • Refrigeration Cycle - Simon Fraser University

    Writing energy balance for the heat exchanger, the mass flow rate of the refrigerant through the lower cycle can be found: m kg s kg s kJ kg m kJ kg m h h m h h m h m h m h m h B B A B A B A B 0.039 0.05 251.88 95.47 255.93 55.16 5 8 2 3 5 3 8 2

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    Depending on product properties and drying parameters, drying times differ between 4 and 20 h (Brennan, 2011). On the one …

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  • (PDF) Evaporative cooling system for storage of fruits and ...

    rate of evaporation will either remain constant or incre ase. Cooling surface is the heart of the evaporative cooling system, which influences the efficiency of the evaporative

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  • Effective Water Treatment for Chilled and Heating Water ...

    Definition of Closed Water System Not Open to Atmosphere No Water Evaporation Designed for Minimal (less than 1%) water losses Used to transport Chilled or Heating Hot Water or both with two pipe systems Typically treated with higher dosage levels of chemical treatment. ” Still subject to corrosion and scale despite being “closed

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  • Packaged Ammonia Chillers - European Commission

    717 474.20 3.450 4.77 0% Note 1: Data based on 5°F evaporative, 86° F condensation, 0°F subcool, and 0°F superheat. Note 2: …

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  • cooling towers Flashcards

    dry cooling towers are closed circuit cooling towers which operate by heat transfer through a surface that separates the working fluid from ambient air, such as in a tube to air heat exchanger, utilizing convective heat transfer. ... The size of cooling tower dictates the rate of heat transfer: ... Evaporation occurs when the web bulb ...

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  • Adsorption-based atmospheric water harvesting: Joule

    Adsorption-based atmospheric water harvesting (ABAWH) has shown a higher ability to supply water in arid areas using cheap energy to encounter the world’s water shortage. However, ABAWH still has a long way to go before gaining universal acceptance. Dedicated designs, operating strategies, environmental compatibilities, and energy supplies are issues that still need further consideration.

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  • 'Super-H Mode' shows growing promise at DIII-D

    The JT-60SA tokamak—a joint program of fusion research and development agreed and co-financed by the European Atomic Energy Community (Euratom) and the government of Japan—entered its integrated commissioning phase in late 2020, after a six-year project to modify and modernize the existing JT-60U tokamak at the Naka Fusion Institute in Japan.

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  • Water and Power: Will Your Next Power Plant Make Both?

    The Marafiq Integrated Water and Power Plant is a combined power and desalination plant located near Jubail on the western …

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  • Chiller Cooling Capacity - How to calculate - The ...

    Let look at how to calculate the cooling capacity. We’ll first look at how to calculate in metric units and then imperial. Metric units: The water flow rate of chilled water into the evaporator is 0…

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  • Evaporation and Water Usage - Cooling Towers and Cooling ...

    Both open and closed circuit cooling towers use latent heat ... Figure 1 Cooling tower evaporation estimate based on 1000 gpm with 95°F entering water temperature, 85°F leaving water temperature and 82°F wet-bulb ... purposes only and 0.2% drift rate is much higher than present drift eliminator technology. Case 1: 20,000 gpm, 105°F entering ...

    Get Price
  • COOLING TOWERS - University of Alabama

    cooling towers, but do affect the rate of water evaporation in the cooling tower. A psychromehic analysis of the air passing through a cooling tower illustrates this effect (Figure 2). Air enters at the ambient condition Point A, absorbs heat and mass (moisture) from the water. and exits at Point B in a saturated condition (at verv light d '

    Get Price
  • Cooling Towers: Evaporation Loss and Makeup Water

    As air rises inside the tower, it receives the latent heat of vaporization from the water, and thus the water is cooled. As a rule of thumb, for every 10°F (5.5°C) of water cooling, 1% total mass of water is lost due to evaporation. The humidity level of the up-flowing air stream increases, and once it leaves the tower the air stream is ...

    Get Price
  • Cooling Tower Calculations - Cooling Water Treatment

    Evaporation Loss Calculation. Evaporation Loss (m3/hr) = 0.00153 * Recirculation Rate (m3/hr) * Delta T. #9. Windage or Drift Loss: It is very difficult to ignore the drift problem in a cooling tower. Drift or windage loss of cooling tower is normally provided by its manufacturer based on cooling tower design.

    Get Price
  • Performance Analyses of Counter-Flow Closed Wet Cooling ...

    Keywords: closed wet cooling tower; counter-flow; Levenberg–Marquardt method; cooling capacity; cooling tower effectiveness 1. Introduction As one of the commonly used units in cooling water systems, the closed wet cooling tower (CWCT) is essentially combining a closed-circuit heat exchanger (usually tubular serpentine coil bundles) and a ...

    Get Price
  • Enhancement of cooling capacity in a hybrid closed circuit ...

    Performance characteristics of the Hybrid Closed Circuit Cooling Tower (HCCCT) have been tested experimentally. Bare-type copper tubes and fin tubes were used in staggered arrangement at the heat exchanger of the HCCCT and the cooling capacity and pressure drop have been studied from various perspectives.

    Get Price
  • Cooling Tower

    The term 'cooling tower' is used to describe both direct (open circuit) and indirect (closed circuit) heat rejection equipment. Cooling towers are heat-transfer units, used to remove heat from any water-cooled system. The cooled water is then re-circulated (and thus, recycled) back into the system. Since the process water is re-circulated, the mineral concentration increases as a result of the ...

    Get Price
  • Solar sorption cooling systems for residential ...

    2.1.. Heat source needed related to solar heating/hot waterSince the silica gel–water adsorption chiller can be driven by low-grade heat source with a temperature lower than 90 °C, it is attractive to be used in a solar cooling system.For a solar cooling system, which adopts silica gel–water adsorption chiller, the most commonly used solar collectors are flat plate collector and evacuated ...

    Get Price
  • EVAPCO Home Page

    EVAPCO Inc. is an employee owned manufacturing company with global resources and solutions for worldwide heat transfer applications. EVAPCO is dedicated to designing and manufacturing the highest quality products for the evaporative cooling and industrial refrigeration markets around the globe. Evapco supports its worldwide customers with manufacturing facilities and sales offices ...

    Get Price
  • Ammonia for power - ScienceDirect

    Ammonia has recently started to receive attention internationally as a consequence of the primary benefits outlined in the previous section. For example, Japan has been looking for renewable alternatives for their energy consumption requirements over the last few decades, due to lack of natural energy resource.

    Get Price
  • Simple Home Repair Hacks - Simplemost

    Owning a home can sometimes feel like a project in constant need of upkeep. From dealing with issues like a leaky toilet or faucet to staying on top of the wear-and-tear a busy family home ...

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  • BMW E46

    Lower ride height by 15 mm (.6 inches) utilizing shorter auxiliary springs; Since both the ZSP and ZHP use the same springs, they have the same ride height. Both are 15mm lower than a non-sport E46 -.5 degrees of camber (for a total of -1.1 degrees)Alignment settings are the same ZSP and ZHP

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    From the “it’s a 50 year storm I tell you” department, comes this interesting find by Larry Hamlin. While apologists rush to blame “climate change enhanced severe weather” for failure of the grid in South Australia, Hamlin finds that this problem with wind turbine farms maintaining frequency and causing a blackout was foreseen and published.

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  • Al Gore and Bill Nye FAIL at doing a simple CO2 experiment ...

    The experiment as presented by Al Gore and Bill Nye “the science guy” is a failure, and not representative of the greenhouse effect related to CO2 in our atmosphere. The video as presented, is not only faked in post production, the premise is also false and could never work with the equipment they demonstrated.

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  • Federal Register :: Steam Electric Reconsideration Rule

    Printed version: PDF Publication Date: 10/13/2020 Agency: Environmental Protection Agency Dates: This final rule is effective on …

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    McMaster-Carr is the complete source for your plant with over 695,000 products. 98% of products ordered ship from stock …

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    Academia.edu is a platform for academics to share research papers.

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  • Carbon capture and storage (CCS): the way forward - Energy ...

    Carbon capture and storage (CCS): the way forward. Mai Bui ab, Claire S. Adjiman bc, André Bardow d, Edward J. Anthony e, Andy Boston f, Solomon Brown g, Paul S. Fennell c, Sabine Fuss h, Amparo Galindo bc, Leigh A. Hackett i, Jason P. Hallett c, Howard J. Herzog j, George Jackson c, Jasmin Kemper k, Samuel Krevor lm, Geoffrey C. Maitland cl, Michael Matuszewski n, Ian S. Metcalfe o, Camille ...

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  • Peer Reviewed Journal - IJERA

    International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research ..

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  • Nuclear Power in France

    France derives over 75% of its electricity from nuclear energy. This is due to a long-standing policy based on energy security. France is …

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  • Sequence of Operation - University of Cincinnati

    4. If cooling is required, but the return air temperature is lower than the OA temperature, the OA dampers will go to their minimum position. 5. If the return air temperature is below an operator definable limit, then a warm-up cycle shall be initiated forcing the outside air dampers to their closed position. (See WARM-UP CYCLE.)

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  • Comparative Study of Refrigerations Systems for Ice Rinks ...

    Electricity cost calculations were made using Hydro-Québec’s rate M (2013); the latter takes into account the monthly power rate of 13.71/kW and the consumption rate of 0.0449/kWh. The rule establishing the minimum billing demand was taken into account, meaning that it cannot be less than 65% of the maximum power demand during the winter ...

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  • Carbon capture and storage (CCS): the way forward - Energy ...

    Carbon capture and storage (CCS): the way forward. Mai Bui ab, Claire S. Adjiman bc, André Bardow d, Edward J. Anthony e, Andy Boston f, Solomon Brown g, Paul S. Fennell c, Sabine Fuss h, Amparo Galindo bc, Leigh A. Hackett i, Jason P. Hallett c, Howard J. Herzog j, George Jackson c, Jasmin Kemper k, Samuel Krevor lm, Geoffrey C. Maitland cl, Michael Matuszewski n, Ian S. Metcalfe o, Camille ...

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  • Federal Register :: Steam Electric Reconsideration Rule

    Printed version: PDF Publication Date: 10/13/2020 Agency: Environmental Protection Agency Dates: This final rule is effective on …

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  • Peer Reviewed Journal - IJERA

    International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research ..

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  • Unit 21 Evaporators and the refrigeration system ...

    Terms in this set (61) What is the function of the evaporator. The evaporator absorbs heat into the refrigeration system. refrigerant in the evaporator changes from a ..... liquid to vapor. The sensible heat added to a saturated vapor after all the liquid has boiled away is referred to as. superheat.

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    Full top surface pcd inserts are various with more insert shapes, the blanks are available with “A” and “W” ISO style pin lock holes, and full face pcd insert features good wear resistance and impact stength, it is widely used for cnc turning and milling as an indexable insert, it has better heat absorption capacity, and be able to work ...

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  • The Alfa Romeo Montreal Website

    Standing 1 km in 27.6 s. 0-100 km/h 7.1 s. (Road & Track, 1973): 0-100 km/h indicated 7.5 s. (Manufacturer, 1975): Maximum speed 220 km/h. Standing 400 m in 16 s. Standing 1 km in 28.2 s. 0-100 km/h 7.1 s. The maximum speed is reduced by a few km/h when the headlamp shelters are retracted. It is 8 km/h lower for a vehicle without front spoiler.

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  • Al Gore and Bill Nye FAIL at doing a simple CO2 experiment ...

    The experiment as presented by Al Gore and Bill Nye “the science guy” is a failure, and not representative of the greenhouse effect related to CO2 in our atmosphere. The video as presented, is not only faked in post production, the premise is also false and could never work with the equipment they demonstrated.

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    Back to Audio and Misc Repair FAQ Table of Contents. Turntables Turntable (record changer) maintenance Here are general comments on oiling dinosaurs, oops sorry, turntables. Usually there is a 'C-clip' or 'E-clip' which holds the platter (the thing that rotates) onto the spindle.

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