Research Infrastructure

There has been an unprecedented development of state-of-the-art research infrastructure through CBERD, including the design and construction of new test beds and apparata in India, with technical assistance from U.S. research partners. These are being used for the testing of novel building materials and prototype technologies ranging from laser cut window glass panels to advanced air conditioning equipment. They also provide unbiased third party testing of new building products and equipment.

Fault Detection and Diagnostics (FDD) Lab 

at International Institute of Information Technology Hyderabad under Task 1

The purpose of the FDD lab is to Identify and analyze faults related to HVAC systems, and develop effective HVAC FDD techniques for the common faults.


Capabilities
 

  • Two identical test rooms each with 5 TR cooling capacity
  • Study of faults related to variable air volume boxes, air handling units fans, heat recovery, air side economizer, sensors, and valve leakage.
  • Air Side Economizer with 100% fresh air & Exhaust Air Heat recovery units (300 cfm)
  • Separate BTU meters for both test rooms, High Accuracy Sensors and Commercial BMS
  • Indoor temperature range 18°C – 30°C 
  • Faults modelling using Dymola – a Modelica based tool 
  • Faults modelling using Dymola – a Modelica based tool 

Lighting Test Lab

at International Institute of Information Technology Hyderabad under Task 3

The purpose of the Lighting Test Lab is the measurement and study of different lighting fixtures properties.

Capabilities

Spectrophotometer (Konica Minolta CL 500A with ±0.3 nm wavelength precision) and integrating sphere of 1 meter diameter

  • Spectral Irradiance
  • Color Rendering Index (CRI) (Ra)
  • Illuminance (0.1 to 1,00,000 lx, accuracy  ±2% )

Microchannel Heat Exchanger Evaporator and Modular DOAS Test Facility

at Indian Institute of Technology Bombay under Task 4

The purpose of this test facility is to enable preliminary testing of micro channel heat exchangers deployed as evaporators.

Capabilities

  • Two identical Five Star Split Air Conditioners of 1.5 TR are symmetrically installed to enable testing of MCHX_Es developed
  • Both the systems are provided with four switchover valves to test conventional Fin Tube Heat Exchangers, FTHE, and MCHX_E on the same SAC
  • Performance of identical units, one with MCHX_Es and the other with the original FTHE can be compared while operating in same indoor and outdoor conditions, without the use of costly environmental chambers
  • DOAS modules can also be setup in the same room to test various configuration recovering availability from exhaust air from conditioned spaces

Indoor temperature range 20 to 30°C

Solution Heat Exchanger Performance Test Facility

at Indian Institute of Technology Bombay under Task 4

The purpose of this test facility is to enable testing of solution heat exchangers deployed for the liquid dessicant based DOAS system.

Capabilities

  • Solution heat exchangers can be tested for evaluating effectiveness and pressure drops
  • Temperature range of 30 to 120°C for KCOOH solution of up to 75% concentration and 30 to 95°C for water
  • Performance of single or two stage SHEs can be determined
  • Vented double wall Tube-Tube Heat Exchanger integrated with electrical heater of 2.5 kW and Solution pump capable of upto 6 lpm at 5 m total head is available 
  • Indirect Evaporative Cooler is incorporated to enable cooling return solution to original temperature in the solution tank

Low Energy Cooling Lab

at Malaviya National Institute of Technology Jaipur Under Task 4

The purpose of this test facility is to enable the Performance evaluation of HVAC, especially radiant cooling system for establishing energy saving.

Capabilities

  • Assessment of energy saving using radiant cooling Parametric analysis with different configurations of chilled water supply and DOAS options

Consists of 2*4 TR chillers, 800 CFM DOAS with VFD, 10 TR Cooling tower, 2 PHE, Variable flow pumps, 1600 sqft radiant cooled area, DAQ system.

DOAS Systems Testing Facility

at Malaviya National Institute of Technology Jaipur Under Task 4

The purpose of this test facility for experimental validation of sensible-latent load separation under varying combinations of climatic conditions and internal load.

Capabilities

  • Testing of 8 configurations of DOAS
  • Testing of Heat Recovery Wheels


Consists of:

  • 1 Sensible heat recovery wheel
  • 1 Enthalpy wheel
  • 1 Desiccant wheel
  • 2 LT coil
  • 1 HT coil
  • 2-stage evaporative cooler

Outdoor and indoor chambers with chiller, heater, dehumidifier, humidifier

Hygrothermal Characterization Lab

at CEPT University, Ahmedabad Under Task 5

The purpose of this test facility is to measure the hygrothermal properties of Indian materials.

Capabilities

  • Moisture retention curves of porous building materials using pressure plates as per ASTM C1699
  • Hygroscopic sorption properties as per EN ISO 12571
  • Hygroscopic sorption isotherms of building material as per ASTM C1498
  • Water vapor transmission of materials as per ASTM E 96

Water absorption coefficient as per ISO 15148

Daylighting Lab

at CEPT University, Ahmedabad Under Task 5

The purpose of this test facility is to simulate diffused and clear sky conditions.

Capabilities

  • Mirror box that can create diffused sky conditions with 15-25K lux level
  • Single patch sky simulator set up with LED light source that can create clear sky conditions for any location
  • High accuracy lux sensors with thirty two channel data logger
  • Rigid borescope for qualitative daylight measurements

Software that can automatically take the measurements from data logger to generate processed results along with statistical data for data filtering

Accelerated Ageing Lab for Cool Roof Materials

at CEPT University, Ahmedabad Under Task 5

The purpose of this test facility is to develop ageing protocol for India for cool roof materials .

 

Capabilities

  • Soiling Chamber and Apparatus to spray chemicals on sample as per ASTM D7897
  • Portable Emissometer to measure emissivity of sample as per ASTM C1371
  • Accelerated Weather Tester to conduct accelerated ageing test as per ASTM D4799

Chemicals and magnetic stirrer for suitable chemicals for ageing protocol

Thermal Comfort Chamber

at CEPT University, Ahmedabad Under Task 6 and MNRE

The purpose of this test facility is to study occupant thermal comfort.
                                    

Capabilities

  • Chamber contains instruments with scientific accuracy to perform Class I comfort experiments as defined in ASHRAE RP884
  • Chamber can maintain 15-45 Deg C and 20-80% RH

Capability to maintain personalized comfort experiments through dedicated air handling unit

Heat Flow Meter Upgrade

at CEPT University, Ahmedabad Under Task 5 (original funding from USAID)

The purpose of this test facility is to measure enthalpy of phase change materials.

Capabilities

  • Before upgrade, thermal conductivity measured as per ASTM C518
  • After upgrade, specific heat and enthalpy measured as per ASTM C1784
  • Enthalpy and specific heat can be measured from thin sample to 200 mm thick homogenous samples

High repeatability and accuracy with NABL accreditation of conductivity measurements

Angular Attachment to Spectrophotometer

at CEPT University, Ahmedabad Under Task 5 (original funding from Glazing Society)

The purpose of this test facility is to measure optical properties of thin material at inclined angles.

Capabilities

  • Before upgrade, optical measurements as per ISO 9050, ASTM E903 and EN410 at solar radiation incident at 90 deg
  • After upgrade, reflectance can be measured at different angles (15 Deg increment) for thin materials such as fabric

High repeatability and accuracy with NABL accreditation of reflectivity measurements

Guarded Hot Box Upgrade

at CEPT University, Ahmedabad Under Task 5 (original funding from MNRE)

The purpose of this test facility is to measure thermal transmittance of non-homogenous phase change material wall assemblies using dynamic measurements.

Capabilities

  • Before upgrade, Static thermal transmittance measurements as per ASTM C1363
  • After upgrade, dynamic measurements that can simulate 25 degree diurnal variation for outdoor conditions 
  • Temperature range can be simulated between 5-50 Deg Celsius

High accuracy scientific grade sensors

Net Zero Energy Building (NZEB)

at CEPT University, Ahmedabad

This laboratory is an IT-based system for generational and operational control of a building, with integrated reporting of environmental energy parameters.