Static Educational Projection (v1.1.0)

Tunnel Ventilation Cooling Efficiency in Semi-Arid Broiler Housing

Pedagogical simulation evaluating the convective cooling impact of air velocity on commercial broilers during high ambient summer conditions.

Scenario Context: Bird: BROILER Climate: SEMI ARID Shed: SEMI CLOSED EC Target Weight: 2.2 kg (REFERENCE VALUE)

Biophysical Performance Indicators

Modeled physical and environmental indicators resulting from thermodynamic and aerodynamic mass balance.

THERMAL ENVIRONMENT

Effective Sensible Temperature

29.8°C
Modeled Baseline:

38.5 °C

Projected Delta:

-8.7 °C

Modeled Sensitivity Range:
Conservative28.5
Expected29.8
Optimistic31.2

Pedagogical Insight: Tunnel ventilation convective wind-chill reduces perceived bird temperature by 8.7°C.

Key Scenario Parameters & Epistemic Grounding

Every input is classified by its operational role and epistemic state. Unknown values are never replaced with silent zero defaults.

Shed Length

Role: CORE PHYSICAL State: DOCUMENTED Uncertainty: LOW
100 meters

Standard commercial shed length.

Source: NABARD Model Poultry Housing Guidelines (NABARD, 2020)

Tier: OFFICIAL STANDARD | Scope: Pan-India | Valid From: 2020

Standard national broiler housing engineering specifications.

Tunnel Air Velocity

Role: CORE PHYSICAL State: DOCUMENTED Uncertainty: LOW
2.5 m/s

Air speed measured at bird level for convective heat removal.

Breed Standard FCR (Ross 308)

Role: REFERENCE VALUE State: DOCUMENTED Uncertainty: LOW
1.55 ratio

Published breeder performance guideline reference value, not farm average.

Source: Ross 308 Broiler Performance Objectives (Aviagen, 2022)

Tier: OFFICIAL STANDARD | Scope: Global

Breeder genetic potential under controlled trial conditions.

Peak Ambient Temperature

Role: SCENARIO ASSUMPTION State: REPORTED Uncertainty: MODERATE
38.5 °C

Assumed peak ambient dry-bulb temperature for summer simulation.

Conceptual Biophysical Lineage

Pedagogical causality tracing how physical parameters interact through aerodynamic and thermodynamic principles.

1

Wind-Chill Convective Heat Transfer

Physical Principle: Convective boundary-layer heat transfer across feathered broiler skin.

Inputs Used:Tunnel Air VelocityPeak Ambient Temperature

The Human Decision Boundary: Model Result ≠ Decision

A scenario model helps explain relationships and possible outcomes under defined assumptions. It does not determine what should be done on an individual farm. Farm modernizations require on-site engineering surveys, local veterinary assessment, and personal commercial risk evaluation.

Non-Financial Safety Boundary

This scenario model is an educational biophysical simulation for poultry housing design and environmental control. It does NOT constitute financial, investment, accounting, or loan eligibility advice. KodiBook does not issue credit ratings, underwriting decisions, or financing approvals.

Biological Variability

Poultry flock performance is subject to unpredictable biological, pathological, feed-quality, and seasonal variations. Projected outcomes represent biophysical scenarios under controlled conditions and cannot guarantee real-world farm results.

Local Context Verification

All shed dimensions, fan placements, electricity tariffs, and water quality parameters must be validated on-site with certified agricultural engineers, equipment manufacturers, and veterinary professionals before undertaking capital modernization.

Projection SHA-256: 8c26c08475e557d56bd0f60cfd3b1f3ce05c1699f876dae4d814f97bbf50a0fbProjected: 2026-09-12T00:00:00.000Z