CFD splitter tank - Jimmy Lea P/L

The objectives of performing CFD modelling and simulation of plume emission on an oil platform was to study how the plume affects helicoptor take off and landing. Knowing this vital information allowed the landing platform to be located away from the plume

CFD analysis to determine the erosion rate inside a steel pipe due to particles entrained in the liquid medium. Our analysis showed that erosion was most likely to occur around bends or around the region where the fluid has to change direction

CFD offshore platform - Jimmy Lea P/L

This building housed data centres and the generators emitted much heat into the environment. The client engaged our CFD analysis consultants to show the heat dissipation profile from the generators and whether the heat was recirculated back into the building

CFD engineering was employed to verify and predict whether a clarifier designed for a wastewater treatment plant will perform as intended by taking into considerations clarifier design configurations, desired flowrates, capacity and property of settling materials

Design verification using CFD technology was conducted to ensure that what the engineers design would work in the real world. This is a multiphase tank which involved solid, liquid and air. One of the objectives was to reduce the level of turbulence

CFD simulation study was performed to determine the optimum mixing tank design configuration. The variables investigated were the number baffles, width of baffles, number of impellers, diameter of impellers, number blades, angle of blades and width of blades

CFD mixing tank - Jimmy Lea P/L

We provided this CFD analysis services to our client based in Singapore because the client wanted to optmise the HVAC design in the form of enhancing the thermal comfort for the building occupants but at the same time reducing the energy consumption of the building

This CFD analysis conducted inside a globe valve to determine the erosion rate, flow profile, level of turbulence inside this valve. The information revealed by our CFD study enabled the valve designer to optimise its design

CFD ventilation study - Jimmy Lea P/L
CFD generator heat dissipation - Jimmy Lea
CFD cooling tower exhaust study - Jimmy Lea P/L
CFD thermal comfort study - Jimmy Lea P/L

CFD modelling and simulation of a transformer room. Transient simulation results show the time taken to reach steady-state room temperature. All available heat sources and heat sinks were considered including heat  conduction/flux through the immediate walls

CFD modelling and simulation of wind driven rain impacting on a train station platform. The results determined whether the station's weather protection was effective in preventing rain water from entering the MRT station interior without compromising its natural and smoke ventilation abilities

CFD modelling and simulation study to determine how much sand particles would fly out of a truck carrying a pile of sand and how far did the sand fly. Our CFD study also determined which residential areas were severely affected by this sand transport process

CFD sump pump - Jimmy Lea P/L
CFD HVAC ducts - Jimmy Lea P/L
CFD natural ventilation study - Jimmy Lea P/L

This project involved natural ventilation studies using CFD simulations to justify alterations to the building internal partitions. CFD results showed that the addition of additional corridors would improve the natural ventilation, hence justifying the cost of building modifications

CFD static mixer - Jimmy Lea P/L

A ceiling fan effectively enhances evaporative cooling by disrupting the stagnant layer of air that surrounds the body, leading to heat loss reduction. Hence, the primary objective of this CFD modelling and simulation study was to characterise the ceiling fan-induced wind profile 

CFD wind-driven rain study - Jimmy Lea P/L


Engineering & Simulation Consultants
CFD aircondition - Jimmy Lea P/L

CFD model showing equipment located on a building roof top. Simulation result shows air flow profiling from cooling towers and high plume fans. CFD results also determine the extend of short-circuiting of discharges and the impact of (plume) on nearby buildings

CFD offshore platform - Jimmy Lea P/L
CFD globe valve - Jimmy Lea P/L
CFD smoke carpark fire - Jimmy Lea P/L

Performance characterisation of an open channel flow showing water flowing over a weir. The results enabled engineers to design and optimise the geometry of weir so as to meet desired flowrate in order to prevent flooding

CFD acoustic study - Jimmy Lea P/L

The objectives of performing CFD modelling and simulation of cooling tower exhaust were to determine the extent of exhaust recirculation into the cooling towers and to establish the temperature profile around the vicinity of cooling towers

CFD simulation to characterise gas diffusers with respect to diffuser hole diameter sizes, locations of holes, number of holes and length of diffuser tube. After characterisation, the diffuser was optimised to enhance mass transfer rate whilst minimising the gas flowrate

We provided this CFD analysis services to our client who was based in Singapore because the client wanted to determine the most effective and efficient locations for the aircon diffusers so as to maximise thermal comfort whilst reducing energy consumption

CFD simulation analysis showing a 25mm projectile travelling at Mach 3 fired from an advanced fighter jet. These results enabled engineers to successfully reduce the drag coefficient by modifying the geometry of this projectile

CFD particles erosion study - Jimmy Lea P/L
CFD data centre - Jimmy Lea P/L

CFD analysis of sump pumps design configuration to ensure that air entrainment was minimised by eliminating the formation of vortex. This CFD simulation involved multiphase physics of air and water

CFD UV reactor - Jimmy Lea P/L

In this project, the pressure drop across HVAC ducts within a 4-storey building was modelled and simulated using CFD. From the results obtained, "what if" scenarios were simulated. Then, optimisation of the duct network was performed to improve its overall performance

The purpose of this CFD simulation study was to verify that the static mixer will work effectively. The study also aimed to determine the residence time distribution and to eventually optimise the design of this static mixer

Computational fluid fynamics (CFD) post-processing results showing region of high velocity inside a continuous stirred tank reactor (CSTR). Through CFD, the blending time was determined and dead zones inside the reactor were eliminated

This computational fluid dynamics (CFD) analysis was conducted to optimise the design of a UV reactor. This simulation involved studying the irradiation exposure of UV, flow profile, turbulence, number of UV tubes, location of inlet and outlets

CFD of chemical reactors - Jimmy Lea P/L
CFD open channel flow - Jimmy Lea P/L
CFD impeller study - Jimmy Lea P/L

In this CFD simulation, waves generated from the wind was created and these wave would pound on the support columns of the platform to determine the stress load on these columns. Knowing the stress loads would help structural engineers to size the columns appropriatelly.

CFD modelling and simulation of a shell-and-tube heat exchanger to optimise the internal layout with respect to the number of tubes, location of baffles, detection of dead zones and calculating the level of turbulence so as to maximise the heat transfer rate

CFD analysis was performed to determine the peak overpressure due to an explosive detonating in a metropolitan central business district. The results showed the number and location of buildings inside the radius of impact. 

CFD transformer room - Jimmy Lea P/L
CFD gas diffusers - Jimmy Lea P/L

CFD modelling and simulation study conducted on a multiphase mixing tank to determine the degree of homogeneity and whether there was any dead zones. This CFD study also aimed to reveal the flow profile inside this tank.

CFD pollution analysis - Jimmy Lea

In this project, macro and micro CFD simulation was employed to provide guidance to architects and engineers with respect to the design and construction of these highly effective naturally ventilated buildings that met the Singapore BCA Green Mark requirements

CFD shell-and-tube heat exhanger - Jimmy Lea P/L

CFD modelling and simulation study to determine particles erosion using the Lagrangian discrete phase model in ANSYS Fluent which follows the Euler-Lagrange approach. CFD results recommended the most effective design to minimise erosion and contain the particles

CFD explosion peak overpressure - Jimmy Lea P/L

CFD simulation of a data centre with a view to visualising the airflow, determining the presence of hot spots, minimising energy consumption by optimising the design via relocating the server racks, tile diffusers and the location of computer room air conditioners (CRACs)

CFD ceiling fans - Jimmy Lea P/L
CFD pipe erosion prediction - Jimmy Lea P/L

CFD study to predict noise level and the level that managed to penetrate the existing building walls. From there, appropriate amount of noise barriers and insulation were prescribed to defect this noise and to keep the noise level inside the building as low as possible

CFD projectile drag coefficient - Jimmy Lea P/L

The objectives of conducting this performance-based fire safety design using CFD technology was to characterise the behaviour of fire, smoke and ultimately determine with confidence the robustness of the proposed fire safety design

Computational fluid dynamics analysis study was conducted on a 2-phase oil and water separator during the design stage, prior to fabrication, to predict whether it will work effectively. The study also aimed to optimise the design of this separator

CFD wastewater clarifier - Jimmy Lea P/L
CFD particles study - Jimmy Lea P/L


CFD analysis services is one of our core simulation services. Our CFD consultants use ANSYS Fluent which is the most-powerful CFD simulation software tool available, empowering our clients to go further and faster as we optimise their system's performance. Fluent includes well-validated physical modelling capabilities to deliver fast, accurate results across the widest range of CFD and multiphysics applications. The projects our CFD specialists undertake are related to aerodynamic studies, single-phase, multiphase phenomena, multispecies, multiphysics, reaction chemistry, sliding mesh, combustion, energy and solidification-melting processes. 

As one of the specialised CFD consultancy firms providing services to clients based in Sydney, Melbourne, Perth, Singapore, Jakarta, Surabaya, Kuala Lumpur and other major cities within the Asia Pacific region, we have successfully delivered over 100 projects to clients in the  building & environment, chemical & petrochemical, defence & security, food & beverage, marine and offshore, mining, oil & gas, pharmaceutical, renewable energy, semiconductor and water industries. With a combined CFD experience of over 50 years, many clients consider Jimmy Lea P/L to me the leading engineering and simulation firm within Asia Pacific region.

CFD multiphase separators - Jimmy Lea P/L