Lightweight moving radiators for heat rejection in space

Lightweight moving radiators for heat rejection in

Low temperature droplet stream radiators, using nonmetallic fluids, can be used to radiate large amounts of waste heat from large space facilities. Moving belt radiators are suitable for use on a smaller scale, radiating as few as 10 kW from shuttle related operations. If appropriate seal technology can be developed, moving belt radiators may prove to be important for high temperature systems as well. Droplet stream radiators suitable for operation at peak temperatures near 300 K and 1000 K were studied using both freezing and nonfreezing droplets. Moving belt radiators were also investigated for operation in both temperature ranges. The potential mass and performance characteristics of both concepts were estimated on the basis of parametric variations of analytical point designs. These analyses included all consideration of the equipment required to operate the moving radiator system and take into account the mass of fluid lost by evaporation during mission lifetimes. Preliminary results indicate that low temperature droplet stream radiator appears to offer the greatest potential for improvement over conventional flat plate radiators. Knapp, K. Unspecified Center NASA-CR-161943, ARC-TN-1107 NAS8-34191 HEAT RADIATORS; RADIATIVE HEAT TRANSFER; STRUCTURAL WEIGHT; SYSTEMS ENGINEERIN...

  • ASIN: B07SVCK9S1

Tangkula Oil Radiator, 1500W Portable Compact Electric Space Heater with Adjustable Thermostat, Tip Over and Overheating Protection, Quiet Safe Oil Filled Radiator for Home and Office, Oil Heater

Tangkula Oil Radiator, 1500W Portable Compact Electric Space

Product Decription Tangkula radiator heater can satisfy you all the demands you need. It is universally acknowledge as an incredible helper for cold resistance in winter, which can be widely used in medium to large rooms that need constant heat in the cold seasons. Small rooms, such as dorm rooms,dens and small offices, can be warmed in no time. And you can be assured by its perfect safety guarantee that when it's overheat, the heater will shut off automatically and immediately. The quiet operation will also win the applause from you and surprisingly, never fail you zeal for quietness when you fall asleep or focus on your work. It features portable for it's equipped with four heavy-duty caster wheels which makes labor-efficient come true and you can move it hither and thither all around you house. The sturdy body with rust-resistantmetal construction can stand for the test of time. It can perfectly fulfill your purpose for your space heating. Don't hesitate to buy it now!Product Feature:Premium design and strong practicabilityPower-efficientand money-savingCold resistanceand warm constancyQuiet operation and easy to moveSafe and durableControllable and portableEquip with 3 heat settings and adjustable thermostatProduct Specifications:Color: WhiteSize: 14"x 10"x 25.6" (LXWXH)Fins ...

  • Color: White
  • Brand: Tangkula
  • ASIN: B01MZZYXW7

For Ford Fairlane/Falcon/Mustang 3-Row Full Aluminum Racing Radiator

For Ford Fairlane/Falcon/Mustang 3-Row Full Aluminum Racing

Aluminum Racing Radiator is designed to provide maximum cooling efficiency to prevent premature engine failure. Its light-weight, and high-heat transferring aluminum features a tube and fin design that, dramatically increases surface area that enables the heat to dissipate more efficiently. This Racing Radiator is at least 40% more efficient than stock ones. Most importantly, it has a much higher capacity for coolant than stock ones, which means that your cooling system will be more efficient and will be more resistant to temperature surges in racing applications.Package Included:1 x RadiatorCompatible with:67-69 Ford Mustang V868-69 Ford Torino V867-68 Ford LTD V864-68 Ford Country Squire L6/ V864-68 Ford Country Sedan L6/ V864-68 Ford Ford Galaxie (261) L6/ V863-69 Ford Fairlane L6/ V866-70 Ford Falcon V867-68 Mercury Cougar/ XR7 V8Fits Automatic/ Manual Transmission Models with 302/ 351/ 390/ 428/ 429 Cu. In. V8 EnginesMight Require Modification to Fit 289/ 352/ 427 V8 or l6 Models

  • Brand: Auto Dynasty
  • ASIN: B00PADDJD2

2 in 1 Summer&Winter Reversible Pet Cat Cage Hammock Rabbit Kitten Hanging Bed Cat Crib Cradle Radiator Comforter Basket Cushion Mat, Waterproof Oxford Fabric, Flannel, Support Weight up to 15kg

2 in 1 Summer&Winter Reversible Pet Cat Cage

FakeFace 2 in 1 Summer&Winter Reversible Pet Cat Cage Hammock Rabbit Kitten Hanging Bed Cat Crib Cradle Radiator Comforter Basket Cushion Mat, Waterproof Oxford Fabric, Flannel, Support Weight up to 15kgReversible design---The pet Hommock has two different side,one is made of waterproof Oxford fabric, perfect for summer; the other is made of soft warm fleece fabric,good choice for cold weather.Size--- L:53*38cm/20.87x14.96 inch(Length*Width).Supprt Weight---0-15kg.Colors available---Purple, Blue, BlackMaterial---Waterproof oxford fabric and fleece fabric.Target---cats, kitten, rabbits, ferrets, guinea pigs, chinchillas, pet rats, and other small pet animals.Application---Great as a hanging sleepy hammock, nap bed, cool cradle, warm nest, comfort blanket mat, cat kitten crib,etcOperation tips---Attaches quickly and easily to fix inside the cage or under the chair with the included spring clips.Care Instruction--- Machine washable, clean after use.Package includes: 1*pet reversible hammock bed

  • Color: Black
  • Brand: Fakeface
  • ASIN: B01I501VEU

Hisoul Cooling Twin Fans Radiator Portable Light Weight RC Car Parts Radiator for 1/10 Traxxas TRX-4 TRX4 RC (Black)

Hisoul Cooling Twin Fans Radiator Portable Light Weight

🍒Description🍒 🍒100% brand new with high quality 🍒Perfect design, exquisite workmanship and high performance 🍒Light weight and portable to carry, high quality and durability in use 🍒Fan Voltage: 7.4v-12v 🍒Fan RPM: max 12000 🍒Material: 7075 Aluminum

  • Color: Black
  • Brand: Hisoul
  • ASIN: B07MB9LYVR
  • UPC: 765788471113

Design Considerations for Lightweight Space Radiators Based on Fabrication and Test Experience With a Carbon-Carbon Composite Prototype Heat Pipe. Revised

Design Considerations for Lightweight Space Radiators Based on

This report discusses the design implications for spacecraft radiators made possible by the successful fabrication and proof-of-concept testing of a graphite-fiber-carbon-matrix composite (i.e., carbon-carbon (C-C)) heat pipe. The prototype heat pipe, or space radiator element, consists of a C-C composite shell with integrally woven fins. It has a thin-walled furnace-brazed metallic (Nb-1%Zr) liner with end caps for containment of the potassium working fluid. A short extension of this liner, at increased wall thickness beyond the C-C shell, forms the heat pipe evaporator section which is in thermal contact with the radiator fluid that needs to be cooled. From geometric and thermal transport properties of the C-C composite heat pipe tested, a specific radiator mass of 1.45 kg/sq m can be derived. This is less than one-fourth the specific mass of present day satellite radiators. The report also discusses the advantage of segmented space radiator designs utilizing heat pipe elements, or segments, in their survivability to micrometeoroid damage. This survivability is further raised by the use of condenser sections with attached fins, which also improve the radiation heat transfer rate. Since the problem of heat radiation from a fin does not lend itself to a closed analytical solution...

  • ASIN: 1724093010

LARNMERN Men's Steel Toe Work Shoes, LM-1821 Knit Breathable Lightweight Safety Shoes with Magic Tape (10.5, Black)

LARNMERN Men's Steel Toe Work Shoes, LM-1821 Knit

Brand :LARNMERN Product description : Safety shoes Function: Puncture resistant; Slip resistant ; Resistant Oil ; Resistant Acids ; Reflective ; Cushioning and Breathable. Application areas: Machinery / Metal processing / Glass products / Shipbuilding / Steel / Aluminum / Cement / Construction / Chemical / Petrochemical / Oil / Automotive / Electronics industries. Precaution and maintenance of the shoe: To extend the life of your shoes, we recommend to clean them regularly and to protect them with adequate products. Do not dry your shoes on a radiator, nor nearby a heat source. The new outdoor work safety boots, composite protective shoes, European standard steel toe outsole is pu outsole anti-smashing piercing function. Upper material is used flyknit mesh with pu stitching, soft folding comfortable to wear, the collar lining mesh breathable performance, heel with reflective strip allows users at night can also be protected, heel cap add a reinforcement feature is not easy to deformation

  • Color: Black/White
  • Brand: LARNMERN
  • ASIN: B07GNDZSNH

Zoook Rocker Boombox+ Portable Wireless Bluetooth 5.0 Speakers, Light Weight, Retro, 2 Bass Radiators. Rechargeable Battery Boom Box with 32 Watts of Power (Black)

Zoook Rocker Boombox+ Portable Wireless Bluetooth 5.0 Speakers,

Bring your music along with the ZOOOK Rocker BoomBox+ Portable Bluetooth Speaker System. Enjoy wireless music streaming with built-in Bluetooth. You'll have lightweight, portable and powerful access to instant streaming music ability.  SO LOUD, THE NEIGHBORS WON'T HAVE TO CALL THE COPS.With its two specially angled speaker drivers, this 32-watt indoor-outdoor speaker surrounds your party in full-range stereo-complete with thundering bass from the passive radiators. Rechargeable battery lasts more than 9 hours' playing.Powered by XBass technology and dual passive sub-woofers, to make sure you never miss out on those ultra low frequencies.SPECIFICATIONS Bluetooth version: Bluetooth 5 Input Options: Bluetooth / TF / USB Flash / AUX / FM Transmission protocols: L2CAP/A2DP Output Power: 32W with 2 passive bass radiators Distortion:

  • Brand: Zoook
  • ASIN: B0742HJSHF

Flexible Flyer 611 Flying Carpet Lightweight Roll Up Snow Sled Portable Rolling Snow Slider, Blue

Flexible Flyer 611 Flying Carpet Lightweight Roll Up

Flexible Flyer flying carpet is a light-weight portable rolling sled that flies down snowy hills. Lightweight linear polyethylene is durable enough for all-day snow sledding, but light enough for kids to easily carry up the hill. Weighs just 0.8 lbs.! features soft rounded edges and two punched out handles for carrying sled and holding on. A snow sled for adults and kids age 4 and up. Measures 36 x 18 inches.

  • Color: Blue
  • Brand: Flexible Flyer
  • ASIN: B001Q8SLE2
  • UPC: 776324496071

1 Pc Plant Extract Slimming Essential Oil Leg Waist Weight Loss Massage Fat Buring Oil 10ml

1 Pc Plant Extract Slimming Essential Oil Leg

Specification: Type: Slimming Essence Oil Net Content: 10ml Package Weight: 41g Main Ingredients: Plant Extracts Efficacy: Promote blood circulation and lymph circulation, accelerating fat metabolism and removing toxins, partial edema of the body effectively to achieve fat burning and weight-loss results. Usage: 4 Bottles for a course and twice a day, taking 5 drops of essential oil directly and applied on the skin, massaging for about 20 minutes until it is completely absorbed. Package Include: 1 × Bottle of Slimming Essence Oil

  • Brand: Zerone
  • ASIN: B07B2DC6R4
  • UPC: 663862953138

For Jeep CJ 3-Row Full Aluminum Racing Radiator (Manual Transmission Only)

For Jeep CJ 3-Row Full Aluminum Racing Radiator

Aluminum Racing Radiator is designed to provide maximum cooling efficiency to prevent premature engine failure. Its light-weight, and high-heat transferring aluminum features a tube and fin design that, dramatically increases surface area that enables the heat to dissipate more efficiently. This Racing Radiator is at least 40% more efficient than stock ones. Most importantly, it has a much higher capacity for coolant than stock ones, which means that your cooling system will be more efficient and will be more resistant to temperature surges in racing applications.Package Included:1 x RadiatorCompatible with:72-83 Jeep CJ5 3.8L / 4.2L / 5.0L73-75 Jeep CJ6 All Models76-86 Jeep CJ7 3.8L / 4.2L / 5.0L

  • Brand: Auto Dynasty
  • ASIN: B00K33GLQQ

Noctua NF-A12x25 PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)

Noctua NF-A12x25 PWM, Premium Quiet Fan, 4-Pin (120mm,

The NF-A12x25 is a highly optimised next-generation 120mm fan that integrates Noctua's latest innovations in aerodynamic engineering in order to achieve an unprecedented level of quiet cooling performance. It takes state-of-the-art technologies such as the AAO (Advanced Acoustic Optimisation) frame or Flow Acceleration Channels and combines them with a record tight tip clearance of only 0.5mm, which is made possible by using the novel Sterrox liquid-crystal polymer (LCP) compound as well as a metal-reinforced motor hub and axis for ultimate precision. Following the approach of Noctua's A-series, the NF-A12x25 is a true all-rounder that yields superb results in all types of usage, regardless of whether it's in low-impedance, airflow-oriented applications such as case cooling, or high-impedance, pressure-demanding scenarios such as on heatsinks and watercooling radiators. The 4-pin PWM version supports fully automatic speed control via PWM fan headers and comes with a Low-Noise Adaptor to reduce the maximum speed from 2000 to 1700rpm. Topped off with exceptional running smoothness, Noctua's reference-class SSO2 bearing, a rich bundle of accessories and 6-year manufacturer's warranty, the NF-A12x25 is a premium-quality product through and through. Its superior efficiency, cutting-ed...

  • Color: Brown
  • Brand: Noctua
  • ASIN: B07C5VG64V
  • UPC: 841501110399

Cars

  • ASIN: B005ZMUQCK

Deep Ellum Rambler

Deep Ellum

This comprehensive retrospective of Hogg's 1947-1951 work for Modern Records gathers 27 tracks, including the Top Ten R&B hits "Little School Girl" (a Sonny Boy Williamson composition) and "Long Tall Mama," as well as ten previously unissued cuts. If only in hindsight, Hogg at this juncture can be seen to be a link between rural blues and citified R&B, using some accompanying musicians and some electric guitar, but not always going whole-hog into a full-band sound. His phrasing, too, is still grounded in country-blues, but pushed toward more modern forms by some heavily rhythmic backing and barrelhouse piano. It's on the ragged side (pleasantly so) as just-post-World War II blues-cum-R&B goes, the arrangements sometimes giving the impression of being crafted on the spot, though Hogg's vocals are relaxed and authoritative. Sometimes it feels like a link between a Texas bluesman like Lightnin' Hopkins and the West Coast R&B of the late '40s and early '50s; the Modern label, of course, was at the forefront of the Western R&B/blues crossover mix. It's rather similar-sounding in one dose, as most single-artist compilations of material from this time on the Modern label are. Yet it's not as homogenous as some such anthologies are, in large degree because of Hogg's likable vocal persona...

  • Brand: HOGG,SMOKEY
  • ASIN: B000056OZ6
  • UPC: 029667178020

Hongxin RC CAR Spare,GPM Aluminum Alloy Motor Cooling Fan Easy Switch Set for Traxxas TRX-4 Racer (Black)

Hongxin RC CAR Spare,GPM Aluminum Alloy Motor Cooling

GPM Aluminum Alloy Motor Cooling Fan Easy Switch Set For Traxxas TRX-4 Racer Description: There is no need to open the car shell to start the ESC, very convenient, the top of the fan radiator can result a good cooling effect . We use 2 POM collars to connect the screws between the fan and the ESC to achieve the best support. We use a quality light weight high tensile strength aluminum 6061 T6 and is then anodized with scratch resistant colors We also have a big selection of multiple colors available now!! Let's "hop up" your vehicles to give them the best looks and performance on the market ... colors are available in blue, red, grey silver/gun metal, orange, green, black, brown 100% New and Good Quality &Lightweight and easy to install Package include: 1xCooling Fan 1x Cooling Fan Connector 2x Stainless Steel Flat Head Screws 3x25 4xStainless Steel Flat Head Screws 3x20 2xPOM Collars

  • Color: black
  • Brand: Hongxin
  • ASIN: B07T13WW8M
  • UPC: 016406606845

DOIT Space Heater Electric Oil Filled Radiator Radiant Heater PortablePower 700W Safety Feature 2 Power Settings White

DOIT Space Heater Electric Oil Filled Radiator Radiant

Product description Specifications Voltage Rating :120 V (60Hz) 5.9 Amps Power Consumption:700W Unit Size:5.4in (W)× 15.1in. (D) × 12.4in. (H) Unit Weight 8.2 lbs IN THE BOX Oil-filled Radiator Heater Base Feet Owner's Manual

  • Color: Portablepower 700w
  • Brand: DOIT
  • ASIN: B07JZX5YX9

SMOKU MOTOR Motorcycle Radiator Grille Guard Gill Stainless Steel Cover Protector for Yamaha MT-09 FZ09 2013-2017

SMOKU MOTOR Motorcycle Radiator Grille Guard Gill Stainless

1.It helps to protect you radiator from sand or stone damage. Impervious to rush, will look like new after washing. 2.The item was not including the bolts or nuts. Please use the bolts which already on your radiator. 3.Install it at the front side of the radiator and without ANY installation instructions. Description: Condition:100% brand new Item name:Radiator Grille Guard Cover Protector Weight:0.45 KG Material Type:Stainless steel Item Length:46cm Item Width:25cm Item Height:3cm Fitment: For Yamaha MT09/FZ09

  • Color: Silver
  • Brand: SMOKU MOTOR
  • ASIN: B0752D5F8Q

High Conductivity Carbon-Carbon Heat Pipes for Light Weight Space Power System Radiators

High Conductivity Carbon-Carbon Heat Pipes for Light Weight

Based on prior successful fabrication and demonstration testing of a carbon-carbon heat pipe radiator element with integral fins this paper examines the hypothetical extension of the technology via substitution of high thermal conductivity composites which would permit increasing fin length while still maintaining high fin effectiveness. As a result the specific radiator mass could approach an ultimate asymptotic minimum value near 1.0 kg/m2, which is less than one fourth the value of present day satellite radiators. The implied mass savings would be even greater for high capacity space and planetary surface power systems, which may require radiator areas ranging from hundreds to thousands of square meters, depending on system power level. Juhasz, Albert J. Glenn Research Center NASA/TM-2008-215420, E-16584

  • ASIN: 1794269940

Anker Soundcore Motion B, Portable Bluetooth Speaker, with 12W Louder Stereo Sound, IPX7 Waterproof, and 12+ Hr Longer-Lasting Playtime, Soundcore Speaker Upgraded Edition for Home and Outdoors

Anker Soundcore Motion B, Portable Bluetooth Speaker, with

Bigger Beats not only does motion B deliver 12W of intense audio power, it is designed to significantly reduce distortion. Even when you push your music to the volume limit there is zero compromise on clarity or performance.deeper bassbassup technology uses a customized digital signal processor to analyzes, then enhance your music's bass frequencies in real time. This audio signal is then turned into intensified sound via state-of-the-art neodymium drivers.ipx7 waterproof motion B's internal components are fully protected by an IPX7 waterproof casing. It withstands full immersion in up to 1 meter of water for 30 minutes—ready for whatever the beach and pool can throw at it.don't stop 'tilt you get enough If you want to keep dancing, motion B can keep playing; get over 12 hours of continuous tunes, or around 240 songs from a single charge. Turn up the volume and prepare yourself for a full day or night of musical power. power2 A single motion B delivers unprecedented power for its size, but it is also possible to double it. Pair two speakers* via a single Bluetooth-enabled device for a huge hit of stereo sound; 24W of portable audio intensity.*note: for Optimal performance in wireless stereo Mode, position speakers within 16 ft. (5 M) of each other indoors, or 48 ft. (15 M) in o...

  • Brand: Anker
  • ASIN: B07CSPLGV9
  • UPC: 848061056204

TANGON Motor Sink Radiator Engine Radiator Cooling Fan Heat Dissipation RC Simulation Accessories for 1/10th Scale HSP RC Car 540 550 (Purple)

TANGON Motor Sink Radiator Engine Radiator Cooling Fan

Main Features: 100% Brand New Parts Number:03300 Parts Name:Heat Sink Fit for 540 550 Please refer to your instruction for the part number and picture Material:Aluminum alloy Weight:20.91g Inside diameter:34.6MM Height:28MM Aluminum alloy thickness:2MM Package Contents: 1x Motor heat sink

  • Color: Purple
  • Brand: TANGON
  • ASIN: B07SPC9LCP
  • UPC: 730825672730
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