Dehumidification >> How Do Whole House Dehumidifiers Work

This study will determine the feasibility and effectiveness of the motion and collection of water molecules and droplets when influenced by a strong electric field and corona discharge. An innovative way of developing a high electric field with air moving past the field will be examined and tested. The key parameters will be identified How Do Whole House Dehumidifiers Work and incorporated in an improved theoretical model. 

The model will describe electric field and corona behavior, energy consumption, ionic charging processes, kinematics, and state transitions of water molecules How Do Whole House Dehumidifiers Work and droplets in a strong electric field gradient. The model will account for interaction of these key parameters with electrode configurations, voltage and current wave forms and ions density. 

Comparison of relative strength of coulombic, dielectrophoretic, and Biot-Savart forces in space-charged moving media under a range of experimental conditions typical for dehumidification processes will be examined. A bench-scale system of a dehumidification apparatus will be demonstrated and its performance How Do Whole House Dehumidifiers Work and efficacy will be compared to best available practices in the field. 

Finally, a qualitative relationship between the energy and space requirements for dehumidification and the mass of water collected and removed indifferent conditions and humidity rates will be formulated. In an environment where space How Do Whole House Dehumidifiers Work and energy are scarce commodities, separate traditional dehumidification technology is not viable.

The thrust of this proposal is to use Mainstream's proposed concept for a VC-QuaDD dehumidifier to demonstrate an innovative low-power compact dehumidification design that can be powered from alternative energy power sources including solar, wind, How Do Whole House Dehumidifiers Work and even internal battery power, as well as ship-board or vehicle power. 

The system can also obtain power from energy scavenging devices. This proposal contains detailed calculations to support the design chosen, How Do Whole House Dehumidifiers Work as well as a preliminary design of the complete first-generation prototype unit that will be experimentally demonstrated in Phase I. The proposed configuration can be used on existing 20' ISO containers, as well as smaller TriCon and QuadCon containers. 

This Phase I effort will prove the technical feasibility of the approach using a full-scale first-prototype configuration. Reliability, durability, and low cost will be demonstrated, as well as compatibility with existing ISO containers. The Phase I Option includes re-design (as needed), fabrication of a second- How Do Whole House Dehumidifiers Work generation prototype, performance testing on a 20' ISO container, and extensive life testing (to demonstrate the ruggedness and reliability) of this compact patent-pending design. 

The proposal contains a commercialization plan for the shipping, marine, and industrial markets. This product fits well into Mainstream's evolving commercial products for the shipping industry. curbs, How Do Whole House Dehumidifiers Work and coordinate roof penetrations and flashing with roof construction.units to curb support with anchor bolts.

SPEC WRITE NOTE: Retain paragraph above or below for appropriate mounting method and edit to suit Project. Anchor bolts may be required for seismic restraint. G. Unit Support: Install dehumidification units level on structural curbs pilings. Coordinate wall penetrations How Do Whole House Dehumidifiers Work and flashing with wall construction. Secure units to structural support with anchor bolts. 

SPEC WRITE NOTE: Retain below for units mounted on isolation curbs. H. Isolation Curb Support: Install dehumidification units on isolation curbs, How Do Whole House Dehumidifiers Work and install flexible duct connectors and vibration isolation and seismic-control devices. Flexible duct connectors are specified in Section 233100, HVAC DUCTS AND CASINGS. 

Vibration isolation How Do Whole House Dehumidifiers Work and seismic-control devices are specified in Section 230541, NOISE AND VIBRATION CONTROL FOR HVAC PIPING AND EQUIPMENT. 3.2 CONNECTIONS SPEC WRITE NOTE: Coordinate piping installations and specialty arrangements with schematics on Drawings and with requirements specified in piping systems. 

If Drawings are explicit enough, How Do Whole House Dehumidifiers Work these requirements may be reduced or omitted. A. Install piping adjacent to machine to allow service and maintenance. SPEC WRITE NOTE: Flexible connectors in first paragraph below may not be necessary. Coordinate requirements with Project conditions. 

B. Connect piping to dehumidification units mounted on vibration isolators with flexible connectors. C. Connect condensate drain pans using minimum DN32 NPS 1-1/4 copper tubing. Extend to nearest equipment How Do Whole House Dehumidifiers Work or floor drain. Construct deep trap at connection to drain pan, and install clean out at changes in direction. 

Refrigerant Piping: Comply with applicable requirements in Section 232300, REFRIGERANT PIPING. Connect to supply How Do Whole House Dehumidifiers Work and return coil tappings with shutoff valve and union or flange at each connection. SPEC WRITE NOTE: Retain paragraph below for units with hot- or chilled-water coils. Edit for appropriate system. 

E. Hot- and Chilled-Water Piping: Comply with applicable requirements in Section 232113, HYDRONIC PIPING. Connect to supply How Do Whole House Dehumidifiers Work and return coil tappings with shutoff or balancing valve and union or flange at each connection. SPEC WRITE NOTE: Retain paragraph below for units with gas-fired heating. 

F. Gas Piping: Comply with applicable requirements in Section 231123, FACILITY NATURAL-GAS PIPING. Connect gas piping to burner, full size of gas train inlet, How Do Whole House Dehumidifiers Work and provide union with sufficient clearance for burner removal and service. SPEC WRITE NOTE: Retain paragraph below for units with steam coils. 

G. Steam and Condensate Piping: Comply with applicable requirements in Section 232213, STEAM AND CONDENSATE HEATING PIPING. Connect with shutoff valve How Do Whole House Dehumidifiers Work and union or flange. SPEC WRITE NOTE: Coordinate duct installation requirements with Drawings and with requirements specified in duct systems. 

If Drawings are explicit enough, these requirements may be reduced How Do Whole House Dehumidifiers Work or omitted. H. Install ducts to termination in roof-mounting frames. Where indicated, terminate return-air duct through roof structure and insulate the space between roof and bottom of unit. I. Ground equipment according to Section 260526, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS. 

J. Connect wiring according to Section 260521, LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES (600 VOLTS AND BELOW). K. Tighten electrical connectors How Do Whole House Dehumidifiers Work and terminals according to manufacturer's published torque-tightening values. If manufacturer's torque values are not indicated, use those specified in UL486A and UL486B. 3.3 STARTUP SERVICE 

A. Perform the following final checks before startup: 1. Verify that shipping, blocking, and bracing are removed. 2. Verify that unit is secure on mountings and supporting devices How Do Whole House Dehumidifiers Work and that connection to piping, ducts, and electrical systems are complete. Verify that proper thermal-overload protection is installed in motors, starters, and disconnect switches. 

3. Perform cleaning and adjusting specified in this Section. 4. Disconnect fan drive from motor, verify proper motor rotation direction, and verify free fan wheel rotation and smooth bearing operations. Reconnect fan drive system, align belts, and install belt guards. 5. Verify lubrication of bearings, pulleys, belts, How Do Whole House Dehumidifiers Work and other moving parts. 

6. Set outside- and return-air mixing dampers to minimum outdoor-air setting. 7. Install clean filters. 8. Verify that manual How Do Whole House Dehumidifiers Work and automatic volume control and fire and smoke dampers in connected duct systems are in fully open position. B. Perform the following starting procedures for dehumidification units: 1. Energize motor; verify proper operation of motor, drive system, and fan wheel. 

Adjust fan to indicated rpm. Replace malfunctioning motors, bearings, and fan wheels. 2. Measure How Do Whole House Dehumidifiers Work and record motor electrical values for voltage and amperage. 3. Manually operate dampers from fully closed to fully open position and record fan performance. C. Complete installation and startup checks according to manufacturer's written instructions. D. Startup Report: Report findings during startup. Identify startup steps, corrective measures taken, and final results.

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