Award Data

The overall objective of the proposed research is to design, develop and demonstrate fluidic actuator arrays for aerodynamic separation control and drag reduction. These actuators are based on a compact design of low mass-flow fluidic oscillators that produce high frequency (1-5 kHz) oscillating or pulsing jets. Our preliminary experiments on separation control over trailing edge flaps, cavity to ...

NASA, the Department of Defense (DoD), and Commercial spacecraft programs have the desire to minimize program costs while continuing to ensure mission robustness and flexibility. The spacecraft system that is a cost driver throughout the program life cycle is the Command and Data Handling System (C&DH), along with the associated algorithms and software. Advanced Solutions Inc (ASI) plans to deve ...

This proposal describes the preliminary development of passive wireless surface acoustic wave (SAW) based humidity sensors for NASA application to distributed humidity monitoring systems. SAW devices are a platform technology for passive wireless sensing of numerous possible measurands. SAW devices have been demonstrated as passive wireless temperature sensors in NASA contracts NNK04OA28C and NN ...

We propose to build and evaluate NDIR Analyzers that can be used to observe Eddy Covariance Flux and Absolute Dry Mole Fraction of CO2 from stationary and airborne platforms for a great range of environments. Both open- and close-path analyzers are to be evaluated. Phase I succeeded in building a fast CO2 analyzer with 100 Hz modulation frequency and sensitivity within a factor of two of the targe ...

A rocket engine turbopump design using a partial emission pump combined with a zero net positive suction pressure inducer design is proposed to achieve a robust, deep throttling capability in 5k to 15k lbf thrust range rocket engines. A partial emission pump can provide better low-flow/thrust stability at a better efficiency than full emission pumps in this throttle range. A zero net positive suc ...

Instruments employing X-ray detection are countless, in different sectors from medicine to industry and from basic to applied science. Given this importance, and despite existing technologies, there is still need for X-ray detection with increased system performance. The solid-state detector array is the primary technology to implement the current generation of space borne high-energy astronomy mi ...

The proposed effort is to build a high resolution, high speed spatial light modulator (SLM) to be used in infrared (IR) spectral projectors. An IR spectral projector produces programmable spectra by dispersing light onto a programmable array, currently digital micromirror devices (DMDs), which either transmit or block selected components of the light. the light is then recombined to form complex s ...

We propose to design, build and evaluate a prototype of a compact, robust, optically-based sensor for making temperature and multi-species concentration measurements in propulsion system ground and flight test environments. This system will utilize a widely tunable near infrared light source to make absorption measurements of combustion reactant and products in the combustion zone (with accuracy f ...

The use of UAVs has increased exponentially since 1995, and this growth is expected to continue. Many of these applications require extensive Research and Development; however, the need to fund development of the UAV often competes with funding intended for the end-user application. Therefore, off the shelf, low cost, easily configurable integrated avionics systems will significantly reduce the bu ...

Existing communications systems for spacecraft provide a choice between either large aperture (>3m) or high frequency (>X-band), but not both. These systems use either deployable mesh reflectors, which are limited in their operating frequency by the facets and RF reflectivity of the mesh itself, or rigid surface reflectors, which are limited in their aperture by the size of the launch vehicle fai ...