Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 14 of 14 for “"Thermoelectric Cooler"”.
-
Thermoelectric cooler design
Thermoelectric Cooler Design is a Microsoft Windows program to be used as an aid in the design of thermoelectric cooler devices. This program was written to be used to quickly model and compare alternative designs. A couple's optimum coefficient of performance and maximum heat pumping can be …
-
Peak Current Mode Driver for Thermoelectric Cooler
Thermoelectric coolers (TECs) are solid state devices that use the Peltier effect to provide heating or cooling for an enclosed area when a voltage is applied. In order to both heat and cool, a bidirectional current must be supplied to the TEC. Therefore, a driver circuit is needed to supply the …
-
Thermoelectric Cooler Based Temperature Controlled Environment Chamber Design for Application in Optical Systems
… controlled environment chamber actuated by a thermoelectric cooler. The design of which provides a simple, multi-applicable solution for temperature control in optical devices. The final device is comprised of three sub-areas of design. Each subsystem was custom built and applied in the final …
-
Thermoelectric cooling devices: thermodynamic modelling and their application in adsorption cooling cycles
… modeling the solid state cooling devices namely thermoelectric cooler, the pulsed thermoelectric cooler, thin film thermoelectric device, and an electro-adsorption chiller (EAC) such that their performances can be analyzed and understood. Using the thermodynamic modeling and Gibbs law, the …
-
Equivalent circuits of thermoelectric coolers.
… of electrical devices. In this work a thermoelectric system is represented by equivalent circuits. The first part of work is introductory. It contains the definitions and derivations of the various thermoelectric effects. A detailed description of the construction and the test results …
-
Miniature Thermoelectric Coolers for On-Chip Hot Spots
… proposed thermal management techniques utilizing thermoelectrics to cool on-chip hot spots: the silicon microcooler with an integrated SiGe superlattice layer and the mini-contact enhanced conventional thermoelectric cooler (TEC).
-
Mixed convection and heat management in the Mars gravity biosatellite
… the payload to the bus module via fan/heatsink/thermoelectric cooler units. Circulation effectiveness is measured by the Richardson number, which expresses the ratio of the influence of free convection to the influence of forced convection in a mixed-convection flow. Experiments were executed …
-
Design of a Multiloop Pyroelectric Neutron Generator Control System
… areas are: pyroelectric neutron generation; thermoelectric cooler modelling; control system modelling; and controller design.
-
Assessment of the Repeatability and Sensitivity of the Thermoelectric Perfusion Probe
The Thermoelectric Perfusion Probe is a completely electronic system that cyclically heats and cools tissue to measure blood perfusion. The probe produces the thermal event with a thermoelectric cooler and then measures the resulting heat flux and temperatures: the arterial temperature and the …
-
Predictive models for power dissipation in optical transceivers
… transceiver: the electrical MUX/DEMUX, the thermoelectric cooler (TE cooler), and the modulator driver amplifier. First, the electrical MUX/DEMUX materials and functionality are investigated, and a circuit model is developed to simulate the MUX/DEMUX using both CMOS and MOSFET Current Mode …
-
A personal thermophoretic sampler for airborne nanoparticles
… separation distance) using a resistive heater, a thermoelectric cooler, a temperature controller, and two thermistor sensors. The collection efficiency was evaluated for 15, 51, 100, and 240 nm particles at flow rates of 5 and 20 mL/min. Tests were also performed with a zero temperature gradient …
-
Evaluation of a planar optic waveguide as a platform for evanescent field chemical sensor development
… temperature response was characterized using a thermoelectric cooler assembly to control the device temperature.The waveguide multiple mode response is potentially multivariate to even single component analyte systems as the device response function may include concentration dependent mode …
-
ATOMISTIC MODELING OF PHONON BANDSTRUCTURE AND TRANSPORT FOR OPTIMAL THERMAL MANAGEMENT IN NANOSCALE DEVICES
… and analysis of (i) a silicon nanowire based thermoelectric cooler (TEC) unit, and (ii) a GaN/InN based nanostructured light emitting device (LED). It is demonstrated that the use of empirically fitted phonon bandstructure parameters overestimates the temperature difference between the hot and …
-
Design and Optimization of a Self-powered Thermoelectric Car Seat Cooler
… uncomfortable on warm days. A new self-powered thermoelectric car seat cooler is presented to solve this problem. This study details the design and optimization of such a device. The design relates to the high level layout of the major components and their relation to each other in typical …