Sorption-type heat activated heat pumps using complex compounds as the sorbent media are a very promising development. this project advances an innovative staging technique that greatly increases the coefficient of performance (cop) achievable with complex compound sorption cycles. this staging… More

There is a need for refrigeration as well as hot water heating on manned spacecraft. in order to obtain energy andmass efficient equipment, it is proposed to use coordinativecomplex compounds, a special class of non-toxic solid-vapor media, for a dual duty thermodynamic cycle which provides… More

Chill and heat storage is useful in shifting electrical load from periods of peak power to off-peak periods. chill storage systems using complex compounds have higher storage densities (both mass density and volumetrically) than conventional systems such as ice storage, and can be used at lower… More

Thermal storage systems are needed for effective thermal management on manned spacecraft and planetary based systems. thermal storage equipment has the potential to reduce the overall system mass by decreasing the capacity requirements of heat pumps, refrigerators and chillers through load leveling.… More

Thermal energy storage is useful in shifting electrical loadfrom periods of peak power to off-peak periods. thermal energy storage systems using complex compounds have higher storage densities (both mass and volumetric density) than conventional systems. in this project, a thermal energy storage… More

For thermal loads close to, but different from, the operating temperature of a central heat transfer bus, heat pumps are needed to space the temperature difference. the lack of gravity in space with the associated phase separation problems, as well as efficiency and reliability requirements cause… More

Manned lunar bases will require cooling for dehumidification(about 40 degrees fahrenheit) and habitat (60 degrees fahrenheit). the background temperature for heat rejection is 125 degrees fahrenheit, requiring reject temperatures of 180 degrees fahrenheit or above. waste heat will be available from… More

Miniature adsorption refrigeration systems capable of cooling as low as -60 degrees Fahrenheit without fans for heat rejection are being developed. When used with computers and electronics packages, advantages include 40% higher processing speed with key chips operating at low temperature, better… More

Typical truck-trailer refrigeration units currently use either the chlorofluorocarbons (cfcs) r-12, r-500, or r-502, or hydro cfc (hcfc) r-22 as a near term replacement. all of these refrigerants contribute to the ozone depletion problem. because the cfcs are scheduled for a completee phaseout by… More

Adsorption refrigeration using ammoniated complex compounds as the absorbent media can be used for miniature portable blast freezers. This is possible because the technology allows low evaporator temperatures without staging, is scalable to small sizes, and has high reliability because the only… More

Proposed is the development of a two-stage cooling system to meet the rapid cool down requirements of optical sensor components. The proposed device will integrate a regenerative complex-compound cooling engine to cool the load to approximately -60¿C, at which point a blowdown system will… More

Improvements in the mass, volume and efficiency of mobile radar systems appears to be an obtainable goal by using cryogenic cooling techniques to remove heat from the generator, power conditioning equipment, and antenna systems. This proposal seeks to advance a concept by which further size and… More

50131-98-I Absorption Chiller Corrosion Protection--Rocky Research, P.O. Box 61800, Boulder City, NV 89006-1800; (702) 293-0851 Dr. Travis Chandler, Principal Investigator Dr. Uwe Rockenfeller, Business Official DOE Grant No. DE-FG03-98ER82658 Amount: $75,000 Corrosion control is the main… More

Solid-state lasers are attractive for space-based and airborne applications such as target illumination and weapons, but heat must be removed for continuous operation. Laser cooling involves three problems: (1) heat removal from the laser diode, (2) heattransport for rejection, and (3) heat… More

Ammonia is an attractive media for storing hydrogen for fuel cells because it exceeds 17% hydrogen by weight and leaves only nitrogen after decomposition and hydrogen removal. Safety questions related to the relatively high vapor pressure of ammonia canbe alleviated if ammonia is stored on an… More

The Army needs a thermoelectric water cooler and heater for the future combat vehicle. The appliance must simultaneously cool drinking water, and heat water for preparing Meals Ready to Eat (MREs). The heat balance for simultaneous heating and coolingonly works exactly for one set of starting hot… More

Drinking water in the Future Combat Vehicle (FCV) will be recovered from exhaust or air. Water must be cooled for consumption, and heated for use with rations. The Army requested an appliance that could simultaneously heat and cool potable water. InPhase I, a breadboard thermoelectric device was… More

The proposed Phase II effort is to build two complex compound prototypes to remove 4.6 kW heat from laser diodes at 280K to 300K. The prototype will be delivered to MDA upon completion of the Phase II project. The technology is based on a proven solid-vapor sorption complex compound technology… More

Prevention and treatment of hypothermia during casualty transport is a major concern during military operations. Warming blankets are available at some field surgical centers, but nothing is currently available during air transport. Proposed is a rechargeable portable warming blanket system… More

Rocky Research has developed a novel armor material (COMBAM) that provides lower cost and better performance than Kevlar. Preliminary samples show at least 15% mass savings compared to conventional ballistic armor, for protection against the same threat level. COMBAM also has enhanced ability for… More

Proposed is the development of a Universal Modular Electronics Cooler for the Army that is applicable to cooling of high density electronics components used in Signals Intelligence and Electronics Warfare. The proposed cooler will include a variable capacity vapor compression system with variable… More

In this Phase I effort Rocky Research proposes a novel heat actuated cooling technology capable of providing air-conditioning and heating at high and low ambient temperatures. The solid-gas absorption technology is based on highly efficient complex compound technology employing variable capacity… More

Proposed is continuation of the development of a Universal Modular Electronics Cooler (UMEC) for the Army that is applicable to cooling of high density electronics components used in Signals Intelligence and Electronics Warfare. The proposed cooler will include a variable capacity vapor compression… More

The proposed project addresses the need for an efficient cost-effective building cooling system which is powered by solar heat collected using low to medium temperature solar collectors. Such a system avoids the need for expensive high-temperature solar collectors and has potential to result in a… More

The proposed project is for the development of a low cost, high efficiency solar cooling system. The system makes use of novel low cost mid temperature solar collectors in conjunction with a unique solar driven continuously variable speed absorption chiller to provide cost effective air… More

Thermal energy storage for load smoothing can be beneficial in applications having large transient heat load compared to steady-state heat rejection. Laser weapons and high-power microwave generators are examples where TES can help. Ammoniated complex compound systems can provide heat absorption… More

Proposed is the development of a High Efficiency Mobile Ice Maker (HEMIM) for the Army that is capable of integrating DC power from solar PV cells. The proposed ice maker will include a variable capacity vapor compression system with variable air flow as per ambient temperatures. The Performance of… More

An estimated 20% of a US Navy ship"s total fuel consumption is due to heating, ventilation and air-conditioning. Reduction in electrical consumption of Navy ship Fan Coil Assemblies with increased energy efficiency is necessary for fuel savings. Rocky Research proposes an advanced Fan Coil… More

ABSTRACT: Thermal energy storage for load smoothing can be beneficial in applications having large transient heat load compared to steady-state heat rejection. Laser weapons and high-power microwave generators are examples where TES can help. Ammoniated complex compound systems can provide heat… More

The principal objective of this effort is to develop an advanced complex compound for ammonia-solid absorption chillers and demonstrate the enhanced sorbent for a 18,000 BTU/hr technology demonstrator in the Phase II effort. Phase I experimental data showed that it is feasible to make a fuel-fired… More

Proposed is the continuation of development of a High Efficiency Mobile Ice Maker (HEMIM) for the Army that is capable of integrating DC power from solar PV cells. The proposed ice maker will include a variable capacity vapor compression system with variable air flow as per ambient temperatures. The… More