The proposed Navy SBIR program will develop a high performance heat spreader technology that can be integrated into power semiconductor die packages to acquire and spread high heat fluxes exceeding 1,000W/cm2. The heat spreader will also interface withother parts of the thermal management system to… More

Advanced Cooling Technologies, Inc. (ACT) proposes to develop a hybrid cooling loop and cold plate technology for space systems thermal management. The proposed technology combines the high heat flux performance of active cooling loops with the effective fluid management of passive cooling devices.… More

Advanced Cooling Technologies, Inc. (ACT), supported by the University of Nevada-Reno (UNR), proposes to develop a passive, high performance heat storage and dissipation technology for high power electronics and directed energy system applications. The proposed technology incorporates heat pipes for… More

The proposed SBIR program will develop a thermal bus technology for cooling of the next generation vehicles. The Phase I effort will demonstrate the feasibility and benefits of full or partial insertion of the technology into an Army vehicle platform. Trade studies and conceptual designs will be… More

Advanced Cooling Technologies, Inc. proposes to develop a hybrid cooling loop technology for space thermal control. The proposed technology combines the high heat flux performance of active cooling loops with the effective fluid management of passive cooling devices. The result is a simple, robust… More

78365 Free-surface, flowing, liquid-metal cooling systems are an option for the removal of heat from energy-producing fusion devices. However, these free flowing liquid films are difficult to direct and contain because of their interactions with the high energy plasma and the powerful magnetic… More

A number of trends are coming together in the next generation combat systems and tactical vehicles, which will greatly increase the heat loads that must be managed within the vehicle while also increasing the number of heat sources and dispersing these sources over most of the vehicle volume.… More

Current manned spacecraft heat rejection systems use two heat exchangers and an intermediate fluid loop to provide isolation between the crew compartment air and the exterior fluid loop. Isolation is required because the fluids used are either toxic or can cause suffocation. The extra hardware… More

The subject of this proposal is a heat exchanger based on variable conductance heat pipes (VCHP) that will provide a passive, valve-less means of regulating process gas temperatures in reformers for fuel cells. A key component of the Navy fuel cell system is the reformer, which converts diesel fuel… More

The addition of advanced power electronics, radar, armor and weapons systems will significantly increase the thermal load onboard the Navy's future warships. Advanced Cooling Technologies, Inc. (ACT), supported by Alstom Power Conversion and American Competitiveness Institute (ACI), will develop a… More

Advanced Cooling Technologies, Inc. (ACT), in partnership with the University of Nevada-Reno (UNR), is developing a high performance metal hydride heat storage and dissipation technology for high power lasers. The proposed technology incorporates heat pipes for passive acquisition and dissipation of… More

Advanced Cooling Technologies, Inc. (ACT), supported by Hamilton Sundstrand, proposes to develop a heat pipe heat exchanger that is low mass and provides two levels of isolation between fluid streams. It has potential applications in thermal control of manned spacecraft and a number of military and… More

A key component of the Navy fuel cell system is the reformer, which converts diesel fuel into methane for consumption by the fuel cell. Reaction temperatures are critical to proper function of the reformer. Reaction temperatures are currently regulated by valves in the process gas streams. These… More

Advanced Cooling Technologies, Inc. (ACT), supported by Hamilton Sundstrand, proposes to develop a shock and vibration tolerant Capillary Two-Phase Loop for military vehicle applications. The proposed capillary two-phase loop differs from the traditional loop heat pipes and capillary pumped loops in… More

This Small Business Innovation Research Phase I project will develop titanium Loop Heat Pipes (LHPs) that can be used in low-mass space nuclear radiators, such as the radiators currently being designed for Project Prometheus, as well as radiators for the lunar and Mars surfaces. LHPs are two phase… More

This Small Business Innovation Research Phase I project will develop heat pipe and loop heat pipe (LHP) working fluids for what is known as the intermediate temperature range, from roughly 500 K to 700 K. Currently, there are no working fluids in this range that can be used in NASA applications,… More

Advanced Cooling Technologies, Inc. (ACT) will develop a Fast Response Fabric Test Setup using hot gas impingement conditions by the jet engine exhaust from the Short Take Off and Vertical Landing (STOVL) aircrafts during the Phase I of the proposed SBIR programs. The fabric testing will measure the… More

The U.S. Department of Energy has started a new Solar America Initiative (SAI) to accelerate the development of advanced photovoltaic (PV) systems. Significant technological advances have been made in the area of multi-junction solar cells for concentrated PV systems. Because these cells typically… More

This Small Business Innovation Research project will develop Pressure Controlled Heat Pipes (PCHPs) for precise temperature control (milli-Kelvin level). Several optical systems, lasers, and detectors require tight temperature control to better than +/-1K. Some new missions even desire temperature… More

Advanced Cooling Technologies, Inc. (ACT), supported by Hamilton Sundstrand, proposes to develop a shock and vibration tolerant Capillary Two-Phase Loop (CTPL) for military vehicle applications. The proposed CTPL differs from the traditional loop heat pipes and capillary pumped loops in the… More

The overall program objective is to develop a high temperature variable conductance heat pipe (VCHP) backup radiator, and integrate it into a Stirling radioisotope power system. A VCHP is similar to a heat pipe, but has a reservoir and a controlled amount of non-condensable gas (NCG) inside the… More

This Small Business Innovation Research Phase I project will demonstrate a vapor compressor driven hybrid two-phase loop technology. The hybrid two-phase loop technology incorporates an advanced evaporator design that is capable of passive separation of liquid and vapor phases at high heat flux… More

This Small Business Technology Transfer Phase I project will undertake innovative heat transfer research involving dropwise condensation on a wettability gradient. Dropwise condensation alone has shown the ability to increase condensation heat transfer coefficients by an order of magnitude over film… More

The Full Authority Digital Engine Control (FADEC) controls engine operation. It is historically mounted on the engine case to minimize the routing length of the sensor and actuator wiring. The FADEC must be maintained below 63 degrees C, while the environment can be as hot as 170 degrees C. The… More

Long-term Lunar and Martian systems present challenges to thermal control systems, including changes in thermal load, and large changes in the thermal environment between Lunar (or Martian) day and night. The Lunar thermal environment typically includes long periods in extremely cold thermal… More

The overall technical objective of the proposed Phase II program is to complete a system-level demonstration to show the capability and benefits of integrating this backup radiator/Variable Conductance Heat Pipe (VCHP) with the Advanced Stirling Radioisotope Generator (ASRG). The Phase I project… More

The Phase I project successfully demonstrated the feasibility of the vapor compression hybrid two-phase loop (VCHTPL). The test results showed the high temperature-lift capability and robust operation under transient heat loads of the VCHTPL. At the end of Phase I, the VCHTPL technology reached the… More

This Small Business Technology Transfer Phase I project will develop an innovative thermal solution to cool underwater acoustic projectors. More efficient cooling of the acoustic projectors will allow the devices to run at longer duty cycles, higher output powers and with longer service life.… More

This Small Business Innovative Research project by Advanced Cooling Technologies, Inc. (ACT) will develop an advanced high temperature heat pipe solar receiver that can be used for the production of oxygen from lunar regolith. ACT proposes a high temperature heat pipe solar receiver that can accept… More

The proposed SBIR project will develop an innovative heat transfer mechanism involving dropwise condensation promoted by a non-wetting self-assembled monolayer (SAM) on a porous metal wick. Dropwise condensation on a bare surface has shown the ability to increase condensation heat transfer… More

Advanced Cooling Technologies, Inc. (ACT) will develop a Fast Thermal Response Fabric Test Setup for various thermal hazard scenarios involving convection (hot gas impingement by the jet engine exhaust), radiation (fire) and combination of convection and radiation (post-crash fire of aircraft, fire… More

The principal Phase II objective is to refine and further develop the prototype PCHP into a useful thermal management tool. The Phase I program established the feasibility of thermal control an axially-grooved heat pipe with a variable-volume reservoir. The follow-on Phase II program will address… More

Researchers have determined that lunar soil contains approximately 43% oxygen in the lunar soil oxides, which could be extracted to provide breathable oxygen for consumption by astronauts. The proposed program will develop a solar receiver for the hydrogen reduction process that uses sodium heat… More

The DOE is investigating new technologies for high performance, low cost heat exchangers. One way to achieve this goal is to develop improved heat transfer fluids using nanotechnology. Nanofluids are metallic nanoparticles (10 -100 nm) that increase overall thermal conductivity when dispersed in… More

Advanced Cooling Technologies, Inc. (ACT), supported by Texas A&M University (TAMU), proposes to develop a Momentum-driven Vortex Separator (MVS) technology for vapor and liquid management for the advanced vapor cycle Thermal Management Systems (TMS). The MVS developed at TAMU is a single component,… More

Long-term Lunar and Martian systems present challenges to thermal systems, including changes in thermal load, and large changes in the thermal environment between day and night. The innovation in the program is the development of a variable conductance heat pipe (VCHP) that passively accommodates… More

The Airborne Laser (ABL) program has significant cooling requirements that until present can only be addressed by mechanical refrigeration systems. These include cooling of the various high powered solid state lasers currently used on the ABL for tracking and ranging as well as standby cooling for… More

This Small Business Innovative Research Phase I project will develop an innovative High Velocity Particle Consolidation system using liquid particle acceleration mechanisms for Cold Spray applications. Conventional Cold Spray uses high pressure process gas to accelerate particles to a critical… More

As thermal management requirements aboard Navy platforms increase, conventional HVAC technology is becoming a liability in terms of mass, volume, and heat transfer capability. Future thermal demands will increase and the majority of this load will be handled by either the HVAC or chilled water… More

Heat exchangers are often required to remove waste heat and cool vital components in industrial processes, automobiles, and commercial heating and cooling systems. The thermal efficiencies of these heat exchangers directly affect the overall energy efficiencies of these processes, and many aspects… More

The Full Authority Digital Engine Control (FADEC) controls engine operation. It is historically mounted on the engine case to minimize the routing length of the sensor and actuator wiring. The FADEC must be maintained below 70oC, while the environment can be as hot as 170oC. The current design uses… More

Heat exchangers are a used in a commercial, residential, and military cooling systems. Their thermal performance is measured by their ability to efficiently transfer heat. By increasing the heat exchanger efficiency, the size and weight of the system can be reduced. This work explores the use of… More

This Small Business Technology Transfer (STTR) Phase 1 project will develop a novel methodology to build atomistically-informed chemical kinetics models for oxidation and pyrolysis in particulate filled-rubber composite materials. In Navy operations, these materials are widely used in extreme… More

Long-lived Venus landers require power and cooling. Heat from the roughly 64 General Purpose Heat Source (GPHS) modules must be delivered to the convertor with minimal

This Small Business Innovative Research Phase I project will develop and demonstrate a passivation process that will result in a pin-hole free protective coating for nickel-gold (Ni/Au) plated copper micro-channel coolers (MCC) used for laser diode thermal management. This proposed approach will… More

Loop heat pipes (LHPs) can provide variable thermal conductance needed to maintain electronics and batteries on Lunar/Martian rovers/landers within desired temperature range. During lunar day, the LHP transfers the heat to the radiator for rejection. During the fourteen-day-long lunar night, the… More

This Phase I Small Business Innovative Research project proposes to develop a multiscale computational methodology capable of accurate prediction of the properties and performance of insulating ablative materials that are used to protect the re-entry of vehicles from excessive thermal loads. In… More

The Full Authority Digital Engine Control (FADEC) controls engine operation. The FADEC case must be maintained below 63oC, while the environment can be as hot as 170oC. The current design uses fuel to cool the FADEC, however, this often limits the allowable ground or flight idle time before the… More

In this Phase II SBIR project, Advanced Cooling Technologies, Inc. (ACT) and Northrop Grumman (NGC) will develop an advanced refrigeration system capable of cooling the Airborne Laser (ABL). The ABL presents some particularly difficult thermal management issues, including precise temperature… More

Power inverters convert electrical power from one voltage and frequency to another. They are used in a variety of commercial and military systems, including electric vehicles, solar and wind energy power conditioning, and More Electric Aircraft. The ability to effectively cool the capacitors in… More

This Small Business Technology Transfer Research (STTR) Phase II project proposes innovative heat transfer research involving dropwise condensation on a wettability gradient. Dropwise condensation alone has shown the ability to increase condensation heat transfer coefficients by an order of… More

This Small Business Innovation Research (SBIR) Phase I project will develop an advanced two-phase micro/mini-channel heat sink that can remove high heat fluxes with reduced instabilities and achieve more uniform temperatures than the current state of-the-art two-phase heat sinks. The proposed… More

The proposed program will develop an innovative Vortex Enhanced Direct Contact Heat Exchanger (VEHX) for geothermal based HVAC applications. This heat exchanger takes full advantage of the geothermal resource, specifically constant temperature ground water of approximately 12

The proposed program will develop an innovative reactor to produce syngas (a mixture of hydrogen and carbon monoxide) using a steam and carbon dioxide mixture as input to a thermochemical cerium oxide cycle. Syngas is a particularly attractive fuel since it can be used to synthesize alternative… More

While solid state lighting (SSL) represents the future in energy efficient and environmentally friendly lighting, certain technological obstacles still must be addressed before SSL can truly compete with incandescent and fluorescent lamps. The thermal management of high brightness (HB) light… More

Heat exchangers are a used in a commercial, residential, and military cooling systems. Their thermal performance is measured by their ability to efficiently transfer heat. By increasing the heat exchanger efficiency, the size and weight of the system can be reduced. This work explores the use of… More

This Small Business Innovation Research (SBIR) Phase 1 project will demonstrate a novel micro-scale thermal management concept for removing waste heat generated in the active regions of a pulsed semiconductor device. In these devices, each duty cycle consists of a period of heat generating pulse on… More

This Small Business Innovation Research (SBIR) Phase II project will develop an advanced heat sink and a two-phase pumped loop for cooling high power laser diodes and other high heat flux devices. An advanced coating will be applied to the heat sink to enhance the boiling process, suppress flow… More

This Small Business Innovation Research (SBIR) project proposes the development of a computational software package to provide NASA with advanced materials development capabilities for existing and new ablative materials used in the next generation thermal protection systems (TPS) of space vehicles.… More

The overall program objective is to develop a high-temperature passive thermal management system for the Radioisotope Power Conversion system that energizes the refrigeration system applicable to Venus missions. The innovation consists of a high temperature alkali metal variable conductance heat… More

Future Lunar Landers and Rovers will require variable thermal links that can reject heat during daytime, and passively shut-off during lunar night. During the long lunar day, the thermal management system must remove the waste heat from the electronics and batteries keep them within the acceptable… More

While continuously increasing in complexity, the payloads of terrestrial high altitude balloons need a thermal management system to reject their waste heat and to maintain a stable temperature as the air (sink) temperature swings from as cold as -90<SUP>o</SUP>C to as hot as… More

Grooved aluminum/ammonia Constant Conductance Heat Pipes (CCHPs) are the standard for thermal control in zero-gravity. Unfortunately, they are limited in terms of their heat flux capability, approximately 5W/cm2. Incident heat flux for laser diode applications is on the order of 5-10W/cm2,… More

The VASIMR propulsion system uses a high temperature Loop Heat Pipe (LHP) radiator to reject heat from the helicon section. The current baseline radiator uses titanium/water LHPs, however, deployable radiator and trace heating features are required to keep the water in the condenser from freezing… More

This Phase I project aims to increase the reliability of radio frequency (RF) devices used in accelerator facilities by reducing/eliminating corrosion and erosion produced from the high purity de-ionized water cooling systems. Although metal interconnects are the required for electrical and thermal… More

In 2005, commercial and residential Heating, Ventilation, and Air Conditioning (HVAC) systems represented 518 billion kWh of energy consumption in the United States, which amounts to 8% of the total energy produced that year. In addition, producing this power resulted in the release of 465 MMTCO2e… More

It is well established that prolonged operation at high junction temperatures reduces the lifetime of LEDs, significantly undermining one of the main benefits of LED lighting systems. Despite advances in LED device technology, a significant fraction of the electrical energy input is wasted as heat.… More

The overall goal of this Phase II project is to develop a prototype of a thermochemical reactor for the production of syngas (a blend of hydrogen and carbon monoxide) using water and carbon dioxide as the reactants. New materials will also be screened for their ability to reduce the reactor… More

Advanced Cooling Technologies, Inc. (ACT) is proposing to develop a pump capable of moving a two-phase fluid against large pressure gradients. This pump will accept fluid at any quality and will maintain outlet pressure regardless of inlet quality variation. Pumping will be provided by… More

The Non-Lethal Direct Energy Weapon (NLDEW) system, including ADT and RF Vehicle Stopper, has significant cooling requirements that can be addressed by mechanical refrigeration systems. These include cooling of various high powered ADT solid state array or RF vehicle stopper vacuum microwave power… More

Advanced Cooling Technologies, Inc. (ACT) proposes an innovative heat exchanger integrated with thermoelectric devices to achieve 10-15 kW additional cooling capacity to the current Liquid Cooling System (LCS) aboard the E2-D Advanced Hawkeye. The proposed heat exchanger will reduce the cold side… More

This Small Business Innovative Research Phase II project will develop and demonstrate a passivation process that will result in a pin-hole free protective coating for nickel-gold (Ni/Au) plated copper micro-channel coolers (MCC) used for laser diode thermal management. This proposed approach will… More

ABSTRACT: The Full Authority Digital Engine Control (FADEC) controls engine operation. This SBIR Phase II project will develop a thermal management system for the FADEC that includes four components: 1. Active cooling to reject the FADEC waste heat to higher temperature heat sinks, 2. Heat pipes… More

NASA Glenn is examining small fission reactors for future space transportation and surface power applications. The reactors would have an 8 to 15 year design life that could be available for a 2020 launch to support future NASA science missions. Both 1 kWe thermoelectric and 3 kWe Stirling systems… More

This project aims to increase the reliability of radio frequency (RF) devices used in accelerator facilities by reducing/eliminating corrosion and erosion produced from the high purity de-ionized water cooling systems. Although metal interconnects are required for electrical and thermal … More

This Small Business Innovation Research project proposes to develop a first-of-its-kind hybrid solar-coal gasification technology. The current direct heating gasification technology has two shortcomings: (1) greenhouse gases, resulted from the coal combustion, diluting the syngas product, and… More

Silicon carbide (SiC) based devices are currently under investigation for their improved efficiency and high thermal stability. Compared to silicon, SiC has an exceptionally high thermal conductivity and also exhibits better mechanical properties. However, limited research has been performed on SiC… More

The proposed SBIR Phase I program will develop an innovative fuel flexible reformer for a portable Solid Oxide Fuel Cell (SOFC) power generation system used in the battlefields. The fuel reformer is non-catalytic and can operate with different fuels including methanol, propane, and JP fuels,… More

ABSTRACT: Next-generation aircraft are experiencing increasing thermal challenges due to heat generation from avionics, as well as requirements to lift this heat to temperatures high enough for rejection from the platform. Efforts have demonstrated vapor compression systems (VCS) offer a… More

This Small Business Innovation Research Phase I project will develop an advanced thermoelectric generator (TEG) that will improve the overall efficiency of 100-kW class generator sets (gensets). Advanced Cooling Technologies, Inc. (ACT) proposes a novel thermoelectric generation system to convert… More