Research

Peer-style research articles by the MEPVAULT Editorial Team on Indian MEP design, codes, and applied engineering.

Research

Cleanroom Recovery Time vs Air Changes: Field Validation Across 5 Indian Pharmaceutical Facilities
This article reports cleanroom recovery time field validation across 5 Indian pharmaceutical facilities (Grade B + C cleanrooms; ISO 7-8 equivalent). Recovery time at standard 25 ACH = 9-12 minutes; at 40 ACH = 5-7 minutes; at 60 ACH = 3-5 minutes. Findings show ACH increase from… Read more →

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This article reports cleanroom recovery time field validation across 5 Indian pharmaceutical facilities (Grade B + C cleanrooms; ISO 7-8 equivalent). Recovery time at standard 25 ACH = 9-12 minutes; at 40 ACH = 5-7 minutes; at 60 ACH = 3-5 minutes. Findings show ACH increase from…

Research

Demand-Controlled Ventilation COâ‚‚ Setpoint Sensitivity: Empirical Study from 8 Indian Commercial Offices
This article reports CO₂-setpoint sensitivity in demand-controlled ventilation (DCV) systems across 8 Indian commercial offices over 12 months. Setpoints from 800 to 1,200 ppm tested; energy savings + occupant comfort surveyed. Results: 1,000 ppm setpoint achieves 22% OA-related … Read more →

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This article reports CO₂-setpoint sensitivity in demand-controlled ventilation (DCV) systems across 8 Indian commercial offices over 12 months. Setpoints from 800 to 1,200 ppm tested; energy savings + occupant comfort surveyed. Results: 1,000 ppm setpoint achieves 22% OA-related …

Research

Sprinkler K-Factor Sensitivity for OH-2 Indian Retail: Trade-off Between Pump Head and Pipe Size
This article quantifies the trade-off between sprinkler K-factor selection and pump head requirement + pipe size for OH-2 hazard Indian retail. Five K-factors (5.6, 8.0, 11.2, 14.0, 16.8 in US units) compared on a representative 1,500 m² retail mall design area. Higher K-factors … Read more →

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This article quantifies the trade-off between sprinkler K-factor selection and pump head requirement + pipe size for OH-2 hazard Indian retail. Five K-factors (5.6, 8.0, 11.2, 14.0, 16.8 in US units) compared on a representative 1,500 m² retail mall design area. Higher K-factors …

Research

Hospital Pressure Cascade Durability: A Door-Event Simulation Study of NABH-Compliant OT Suites
This article simulates pressure cascade durability in a NABH-compliant operating theatre suite under realistic door-opening scenarios. CFD-based simulation of a 5-room cleanroom suite (Grade A OT, Grade B background, Grade C corridors, Grade D circulation) shows pressure cascade … Read more →

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This article simulates pressure cascade durability in a NABH-compliant operating theatre suite under realistic door-opening scenarios. CFD-based simulation of a 5-room cleanroom suite (Grade A OT, Grade B background, Grade C corridors, Grade D circulation) shows pressure cascade …

Research

DOAS + Chilled Beam Energy Benefit Across Five Indian Climate Zones: Climate-Calibrated Quantification
This article quantifies energy benefit of DOAS + chilled beam architecture compared to conventional VAV system across five Indian climate zones (Hot-Humid, Hot-Dry, Composite, Mild, Cold) for a 5,000 m² reference office. OpenStudio + EnergyPlus simulations show DOAS + chilled bea… Read more →

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This article quantifies energy benefit of DOAS + chilled beam architecture compared to conventional VAV system across five Indian climate zones (Hot-Humid, Hot-Dry, Composite, Mild, Cold) for a 5,000 m² reference office. OpenStudio + EnergyPlus simulations show DOAS + chilled bea…

Research

ECBC LPD vs ASHRAE 90.1 vs EN 15193 — 10.4 kW Spread Per Office Floor
This article reverse-engineers the ECBC 2017 trade-off compliance path for a 5,000 m² Indian commercial office to determine the maximum allowable Lighting Power Density (LPD) when other building elements (envelope, HVAC equipment, renewables) exceed prescriptive minimums. Analysi… Read more →

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This article reverse-engineers the ECBC 2017 trade-off compliance path for a 5,000 m² Indian commercial office to determine the maximum allowable Lighting Power Density (LPD) when other building elements (envelope, HVAC equipment, renewables) exceed prescriptive minimums. Analysi…

Research

IGBC v3 vs LEED v4.1 Scoring on the Same Indian Project: A Comparative Case Study
This article compares IGBC v3 and LEED v4.1 scoring outcomes on the same hypothetical 10,000 m² Bangalore office project. Identical design strategies (DOAS + ERV + free cooling + 200 kWp PV) yield 78 LEED points (Platinum threshold = 80) and 96 IGBC points (Platinum threshold = 7… Read more →

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This article compares IGBC v3 and LEED v4.1 scoring outcomes on the same hypothetical 10,000 m² Bangalore office project. Identical design strategies (DOAS + ERV + free cooling + 200 kWp PV) yield 78 LEED points (Platinum threshold = 80) and 96 IGBC points (Platinum threshold = 7…

Research

NBC 2016 Plumbing Demand vs Actual Occupancy: A Field Study of Six Indian Commercial Buildings
This article presents a field study of measured water consumption in six Indian commercial buildings (offices, hotel, hospital) over 12 months, comparing actual demand against NBC 2016 Pt 9 + CPHEEO Manual design assumptions. Results indicate measured demand is 25-40% lower than … Read more →

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This article presents a field study of measured water consumption in six Indian commercial buildings (offices, hotel, hospital) over 12 months, comparing actual demand against NBC 2016 Pt 9 + CPHEEO Manual design assumptions. Results indicate measured demand is 25-40% lower than …

Research

Chiller Plant Energy Model Calibration in Indian Climate: cv(RMSE) Achievement Across Climate Zones
This article reports cv(RMSE) and NMBE calibration achievement for chiller plant energy models across five Indian climate zones using both Carrier HAP and OpenStudio + EnergyPlus. Twelve months of measured operating data from 5 commercial chiller plants (one per climate zone) is … Read more →

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This article reports cv(RMSE) and NMBE calibration achievement for chiller plant energy models across five Indian climate zones using both Carrier HAP and OpenStudio + EnergyPlus. Twelve months of measured operating data from 5 commercial chiller plants (one per climate zone) is …

Research

Cooling Tower Water Consumption Modelling in Indian Climate: IS 14661 vs ASHRAE 90.1 Methodology Comparison
This article compares cooling-tower water-consumption modelling under IS 14661 and ASHRAE 90.1-2022 frameworks for typical Indian commercial chiller plants. A 1,000 TR reference plant in Mumbai climate is analyzed; water consumption is computed via both methods. Results indicate … Read more →

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This article compares cooling-tower water-consumption modelling under IS 14661 and ASHRAE 90.1-2022 frameworks for typical Indian commercial chiller plants. A 1,000 TR reference plant in Mumbai climate is analyzed; water consumption is computed via both methods. Results indicate …

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