Other

California Institute of Technology

Trustees of the Colorado School of Mines

Firestar Engineering, LLC

Greg Mungas

John E Boynton

Cesar A Sepulveda

Alicia Nunes De Sepulveda, Legal Representative

Yekta Gursel

Adam Pollok London

David J Fisher

Jack Merrill Fryer

Chris Dreyer

The fluid and heat transfer theory for regenerative cooling of a rocket combustion chamber with a porous media coolant jacket is presented. This model is used to design a regeneratively cooled rocket or other high temperature engine cooling jacket. Cooling jackets comprising impermeable inner and outer walls, and porous media channels are disclosed. Also disclosed are porous media coolant jackets with additional structures designed to transfer heat directly from the inner wall to the outer wall, and structures designed to direct movement of the coolant fluid from the inner wall to the outer wall. Methods of making such jackets are also disclosed.

Regeneratively cooled porous media jacket

Laser light is confined in a hollow waveguide between two highly reflective mirrors. This waveguide cavity is used to conduct Cavity Ringdown Absorption Spectroscopy of loss mechanisms in the cavity including absorption or scattering by gases, liquid, solids, and/or optical elements.

Hollow waveguide cavity ringdown spectroscopy

An optical system comprising two lens cells, each lens cell comprising multiple lens elements, to provide imaging over a very wide image distance and within a wide range of magnification by changing the distance between the two lens cells. An embodiment also provides scannable laser spectroscopic measurements within the field-of-view of the instrument.

Camera, handlens, and microscope optical system for imaging and coupled optical spectroscopy

Growing community of inventors

Arcadia, CA, United States of America

Greg Mungas